2006 Proceedings of the 23rd ISARC, Tokyo, Japan
Abstract: There is a cultural difference in the perception of robotics. In western culture the society and the human being adjusts itself
to to mechanism and therefore fights it. The same happened with religion where christianity overlapped the traditional
shamanism in Europe and fought till today with Islam. In Japan Buddhism did not ...
Keywords: WaDokei, Karakuri, Gundam, Gattai, Construction Automation Robot
Abstract: The construction of a Deep Sea Drilling Vessel, the Chikyu began in April 2001 and
was completed in the summer of 2005 [Taira, 2005]. The Chkyu is a 210 meter-long vessel,
with a gross tonnage of 57,087 tons, and a drilling derrick standing 121 m above sea level.
The Chikyu is a state-of-the-art ...
Keywords: No keywords
Abstract: Due to the development of 3-D techniques and methods, the utilization of different automated and 3-D based working methods has increased a lot in Europe during last few years. In the paper, this present situation is introduced based on the practical observations and tests gathered from five different Europe countries. ...
Keywords: Road construction, automation, 3-D machine control
Abstract: Construction projects are getting bigger and more complex while the average productivity of the industry is not
improving enough. It is essential to look at the means available, in order to improve the efficiency and effectiveness of the
construction industry. Fusion of traditional construction technology and new technology is an alternative plan ...
Keywords: Construction industry, Innovation, Technology Fusion
Abstract: Although the Japanese industrial robot companies are proud of their number and sales of
commercial industrial robots, the advanced research and developments are to look at the future
robotics used in new applications. The term Robot Technology (RT) suggests rather broad
meaning not limited to the conventional robot arm and its applications. It ...
Keywords: Construction Research, Technology Fusion, Technology Foresight, Planning
Abstract: The future points to the application of IT to the construction robot for the overall processes of civil engineering work from
the planning and design stages to the maintenance management. The Civil Engineering Technology Subcommittee in charge
of civil engineering work field in the Robotics Committee in Construction of the Japan Society ...
Keywords: construction robots, future perspective, Information Technology, civil engineering work
Abstract: Civil engineering construction work has always been accompanied by a high proportion of tasks that are either dangerous
or unpleasant or both. Enhancing the general working environment and boosting safety levels are critical issues for the
industry. Meanwhile, the industry has been slow to embrace IT, and there is substantial scope for ...
Keywords: execution technology, information technology, robot technology, three-dimensional information, construction equipment
Abstract: Called the urban arteries, the traffic is significantly affected by its congestion. One of the solutions to this is overpass,
whose construction is forced to be amidst heavy traffic and thus extending the construction period. To deal with these
situations, a crossing-over structure method have been developed in a range of sectors ...
Keywords: crossing-over structure method, cycled construction, folding type erection, rotation erection, air caster erection, construction at greater depths, long-distance transportation systems, conveyance and assembly of segments
Abstract: There has already been progress in the development of unmanned construction and inspections of structures on
land, mainly because it is possible to use radio waves and optical images that are effective ways to remotely control work
and operate robots. In contrast it is not easy to develop unmanned work methods for ...
Keywords: Bilateral control; Underwater backhoe; Teleoperation
Abstract: This paper introduces an autonomous towed vehicle which has various navigation modes; towed mode, autonomous mode and kite mode, to stand against fast and changeable sea currents. The property assures safe and reliable observation works irrespective of a current speed. Such vehicle must be useful for port area application since ...
Keywords: AUV, Towed vehicle, Port area, Security
Abstract: One of the main work is survey work at shoreline in port areas. For instance, harbor-masters survey shorelines to
maintain encroached beach, and some work are carried out on weak terrain. Consequently, the primary working force is still human-intensive although the mechanization is desired from viewpoint of the efficiency.
Therefore, we are ...
Keywords: Shoreline survey work, Amphibious walking robot, Moduled watertight structure
Abstract: Operation of the man-machine interface should be easy and intuitive for efficient works when using a remote-controlled
underwater backhoe. Moreover, operation is preferable to be unwearying. Tiredness in the operation of the backhoe front
part by the similar-figure-interface becomes a serious matter of concern in the site experiment of an underwater backhoe.
Keywords: Interface, Underwater backhoe, Teleoperation
Abstract: The Sea Hunter system is the next-generation construction management support system that allows highly accurate
guidance control for positioning workvessels at any time and any place. Positioning accuracy is achieved by
WADGPS. This report describes the construction results and effectiveness of the Sea Hunter system, which were
obtained from actual construction of the ...
Keywords: Highly Accurate Guidance Control for Positioning, WADGPS, Deep Water, Artificial Mountain-like Mound on Seafloor
Abstract: Unmanned Caisson Installation System (UCIS) is an unmanned and remote-control technology though wireless LAN
for performing a series of operation involved in caisson installation, which has been performed on caissons by manpower.
The system enables one operator in a remote control room to perform diverse works involved in caisson installation, such
as pouring ...
Keywords: UCS(Unmanned Construction System), Caisson Installation, Wireless LAN
Abstract: This paper describes an autonomous underwater vehicle (AUV) with fuzzy controller and PID controller. Our AUV is compact and light in weight by employing variable vector (VARIVEC) propeller and compact controller. The AUV is autonomously controlled by utilizing the electronic compass, collision avoidance sonar, depth sensor and GPS receiver unit. ...
Keywords: AUV, UROV, Variable vector propeller, Maritime archaeology
Abstract: Autonomous Underwater Vehicles (AUVs) are suitable for underwater observation, since they can swim
freely without an umbilical cable. This paper proposes a robust navigation method for AUVs operating around artificial
structures such as piers, quays and breakwaters. This method consists of a State Estimator and a Guidance System, enabling
localization in the configuration ...
Keywords: Autonomous Underwater Vehicle, Navigation, Sensor fusion, Particle filter, Mosaic
Abstract: Our goal is to provide a Multi-Perspective viewpoint interactive interface media of sketch-based for rapid get spatial layout in Show-Window. In traditional way, designer is used to describe concept in early phases of design by Single-Perspective viewpoint via sketch in Show-Window design environment. It usually makes blind spot of spatial ...
Keywords: Multi-Perspective, Sketch, Show-Window, Interactive media
Abstract: This study describes the requirement of lower limb disabled children. Lower limb disabled children that limit their movement in nowadays environment. Ubiquitous computing concept is more popular now. This research uses tangible user interface to be a toy accompanying children at home, combine ubiquitous computing concept to help them control ...
Keywords: Disable; disability; tangible; user interface,children; ubiquitous computing
Abstract: Nowadays, digital design media have played very important roles in the design field. Designers carry on various stages of design through their assistances. However, those intermediaries should be regarded as not only pure operating practices, but assistances which aid the thinking of design concept with more intelligences and possibilities. Designers ...
Keywords: ubiquitous computing, tangible media, rethinking, interaction
Abstract: The quality of the design has been recognized as one of the key factors to the success of the engineering project.
However, engineers need to repeatedly perform design tasks, such as processing information, to produce an appropriate
design result. Such a design process involves many activities and lead into one or several ...
Keywords: Design Planning, Optimization, DSM, fmGA
Abstract: State-of the-art three-dimensional (3D) software allow for information exchange with other software used within the AEC industry. In advanced applications construction schedule has been successfully integrated into 3D projects, and the resulting 4D models provide an innovative decision making tool that can facilitate the construction of large scale projects. Though ...
Keywords: Cost Integration, Construction visualization, Cost Visualization, 4D CAD
Abstract: When the completion of a project is delayed, how to accurately analyze the impact of a delayed activity on the
project is a main problem for construction project managers. Available professional scheduling tools have been widely
employed to plan and control construction schedules. They are not designated for delay analysis that requires ...
Keywords: Schedule Delay Analysis, System Analysis, MIS, IDEFØ
Abstract: The field of building design is complex, and the successful interplay between iterative and interdependent
processes, roles and actions can be seen as a foundation of developing good architectural design solutions and building
projects. Over the years, the development of ICTM (Information- and Communication Technologies Management) has led
to several changes in the ...
Keywords: building design process, building design management, IFC-based BIM, ICT impact, robotics
Abstract: The curtain wall design process of Korea can be mainly divided into Basic DWG phase performed in architectural design phase and Shop DWG phase performed in the curtain wall design phase. The designing in such process (the process of going over to Shop from Basic) is being performed mainly by ...
Keywords: Curtain wall design management system, process model, product model
Abstract: Technological advancement plays a key role in business competitiveness of a construction firm in the market.
Nowadays, there are many free patent databases worldwide, which provide important sources for information of the
technological advancement of construction firms. By combination of patent mapping techniques and properly selected
commercial patent analysis software, the knowledge of ...
Keywords: Patent analysis, Patent maps, Technology innovation, Precast construction
Abstract: Quantifying the benefits of a knowledge management system (KMS) is a difficult job. Very little literature was
found to report the rate of investment (ROI) resulted from a KMS. Quantification of returns from KMS investments involves
several tasks: identification of value added knowledge management (KM) activities, identification of benefits generated by
the value ...
Keywords: Knowledge management, Quantification, Benefits, Engineering consultant
Abstract: The purpose of this study was to investigate the extent to which integration/automation technologies are being used
in executing projects in the Taiwanese and American industries and to quantify the similarity and difference in technology
usage in the two areas. This was accomplished by two industry-wide surveys and analysis of 209 American ...
Keywords: Technology, automation, integration, project, industry
Abstract: In this research, a specific category of construction technologies, e.g., formwork, is selected for case study. 40
invention principles and 39 engineering parameters were applied with contradiction matrix to find out the improving and
deteriorating parameters for a design case. By consulting the contradiction matrix, innovative principles can be found. It is
Keywords: TRIZ, 40 Principles, Construction innovation, Formwork
Abstract: The development and performance of construction industry are strongly relative with citizens living quality in each country.Such is meaning that the life cycle management (LCM) and life cycle assessment (LCA) are important issues to each construction project. In this 21st century, information technology (IT) is an important issue for economic ...
Keywords: Life cycle management, life cycle assessment, information technology, high-tech
Abstract: As the buildings of Taiwan have been stepping towards the aging stage, the act of after-use maintenance of buildings
gradually becomes a mainstream movement. After the serious fire of Welcome Restaurant happened in 1995, Taiwan
government has been comprehensively implementing Public Safety Inspection Declaration System for the refuge facilities and the constructed ...
Keywords: seismic resistance, public safety inspection, obstacle-free facilities
Abstract: In this article, we would like to introduce the WABOT-HOUSE project. The attraction of the Waseda University,
the School of Science and Engineering, through the Gifu prefecture was the cue of the project. In consequence, the
WABOT-HOUSE is the co-operation project with industrial and administrative sectors. Its goal is to encourage the ...
Keywords: Symbiosis, Robot, House, Social System
Abstract: Recently, ubiquitous computing is a hot topic. And, ubiquitous computing brings big benefit for robotics. Distributed computers provide much information to robots. And, distributed sensors help the navigation and manipulation of robots based on the sensor network. Moreover, to distribute the actuators at the environment, environment becomes one of the ...
Keywords: Ubiquitous robot, Area sensing, Spot service, Wireless sensor network
Abstract: This paper describes a method of pose (position and orientation) of large object such as construction materials using
multiple ID devices for construction automation. Object pose is crucial issue for construction automation, however, the pose
can change by the robots and workers that do not have ID reader or measure the object ...
Keywords: parts oriented construction system, data collection and labeling system, radio frequency identification (RFID), pose estimation
Abstract: Historically the kind of technologies used in homes has been in the form of electrical appliances such as washing machines, ovens, etc. Later was introduced the classic Home Automation concept, which involves improvements like computer-controlled devices such as lights, alarms, different sensors, etc. The classic devices have always been static, ...
Keywords: Robotics, Ambient Intelligent, Assistive, Disabled, Home Automation
Abstract: In this paper, the authors referred to the development of the suitable modification technology of architectural space
in alignment with change in circumstance surrounding lifestyle of residents as necessary. A design method of architectural
space and building elements, and a handling method of structural objects of having used robotic technology are proposed ...
Keywords: WABOT-HOUSE, Adaptability, Space Modifying, Robotic Technology
Abstract: In this paper we propose a human tracking system for dynamic environments based on the cooperation of fixed and moving cameras to create safe and secure spaces at construction sites. It is difficult for only the fixed cameras to monitor the all of a crowded dynamic environment because of the ...
Keywords: cooperative system, human tracking, safety and security, mobile robot
Abstract: The starting of the business was a development of a robotic machine for construction site workers, utilizing advanced technologies of computer, sensor and mechanism.
Keywords: construction roboy, space robot, research and development, history
Abstract: Although the use of spraying robotized systems for interior painting was already shown to be feasible and
convenient, a lot of experiments must be carried out in the future to deliver a highly autonomous robot for interior painting.
A new approach is proposed: two laboratories are set, the former being a full-scale ...
Keywords: painting robot, highly autonomous robot, Pollock #1, scaled laboratory
Abstract: A device for transferring wave-dissipating blocks was developed using net chains to allow for automation and labor saving. The device spreads net chains over a block and then tightens the net chains using a wire rope connected to a crane to lift the block.
A model device was used to conduct ...
Keywords: net chain, block, transfer, labor saving
Abstract: To ascend and descend stairs, we have developed the robot assembling fork lifts on the front and the rear. Those
fork lifts have driving wheels. The FDW robot（mobile robot with Forklift-Driving-Wheels capable to ascend and descend
stairs）is divided into three parts (Body, Front Forklift-Wheels, Rear Forklift-Wheels). The robot can move up and ...
Keywords: Mobile Robot, Forklift-Wheel, Stairs, Wheelchair
Abstract: Prior to completion, the various facilities associated with a building undergo performance testing. For air
conditioning facilities, it is necessary to confirm that each apparatus meets the design values for air supply and emission
volume. In keeping, rather than a fully automated robot, we developed a human-operated instrument that enables ceiling
outlets to ...
Keywords: air volume, anemometer, ceiling, human-operated instrument
Abstract: The objective of this research is to develop the small-size and light weight window cleaning robot. The prototype
of window cleaning robot has been developed. The dimensions of prototyped robot are approximately 300mm x 300mm x
100mm and its weight is approximately 3 kg. The prototyped robot consists of two independently driven ...
Keywords: Climbing robot, window cleaning, wall climbing, attitude control, acceleration sensor
Abstract: This paper proposes the new innovated 4-legged Locomotion mechanism with pantograph-jack structure as its leg. This study aims at developing the practical robotic system, especially focusing on the carrying task of heavy load. Transportation of heavy load occupies the important parts among the real applications such as disaster relief and ...
Keywords: 4-leg locomotion robot, Transportation of heavy load, Pantograph Jack, Crawl step
Abstract: A method for limb mechanism robot ASTERISK of climbing up onto steps which are higher than its body is proposed. Basically the robot climbs by wave gait; depending on the step height, the robot dynamically changes its leg stepping sequence. It inclines its body so that its legs can reach ...
Keywords: Six Legged Robot, Climbing Robot, Limb Mechanism Robot, Stability Margin, Joint Compliance
Abstract: This paper outlines the selection of hardware and its integration within a mobile delivery platform for application within nuclear decommissioning tasks; it is based on current research being undertaken at Lancaster University, in the United Kingdom (U.K.).
Keywords: Nuclear Decommissioning, Hardware Integration, Kinematics, Software Architecture
Abstract: T-52 Enryu was developed for the purpose of the heavy duty works in disaster spots. It was aimed for heavy
labor of a first aid rescue operation in disaster spot and developed large-scale rescue robot T-52 Enryu in corporation with
Kitakyushu City Fire And Disaster Management Department, National Research Institute of Fire ...
Keywords: Rescue robot, remote control, disaster relief, the measure against snow damage
Abstract: Robotics technology is continuously gaining in importance in many applications. Especially mobile robots are
already widely used in many fields including construction sites. Accidents in the construction industry have been identified
as one of the most hazardous incidents compared to other work environments. We therefore propose to consider robotics
technology to improve this ...
Keywords: Mechatronics, Tracked Locomotion, Rescue Robots, Construction Site Safety
Abstract: Between Amsterdam and Antwerp a new High Speed Rail link with the length of 96 KM is under construction and will be
opened in April 2007. Based on the existing Rheda Ballastless Track construction system a new and improved construction
method has been developed. New equipment was designed. After two years of ...
Keywords: speed rail, construction method, productivity, quality
Abstract: In civil engineering projects, operators run their machine, while monitoring machine operation data, soil
conditions, situation around their machines, and so on. They basically follow the work directions that are issued based on the
machine design and field conditions, such as topography of the site. An increasing number of construction robots are ...
Keywords: Construction robot, component design, measurement support system, demonstration test
Abstract: At the early design stages in architecture, designers need to go to site frequently and record the contextual information of site with sketches. However, designers still require recalling the significant site information when they go back to their workplace. The main objective of this research is building a mediated workplace ...
Keywords: Experience, Sketch, Contextual Information, Physical Computing
Abstract: Despite waste management in construction industry has a significant impact on both economical and
environmental issues, the current level of waste management performance in Korean construction is reported as relatively
low. To improve any type of management performance, it is necessary to diagnose the current status of the performance
level. In this context, ...
Keywords: construction wastes, waste management performance, evaluation tool, sustainable construction environment
Abstract: Overseas construction projects are exposed to diverse and complex risks, including political, economical, social,
and cultural issues. They tend to have a high possibility of loss/failure compared to domestic projects. For this reason, risk
management is getting more important, emphasized, and systemized so as to improve the project performance. Since each
phase of ...
Keywords: Integrated Risk Management System, International Construction, Risks, Web-based system.
Abstract: The earned value management (EVM) approach is considered to be the most objective method available in the
measurement of project performances. Nevertheless, the method is limited and does not directly account for variation in
individual performance values about a normal or natural level of project performances. Because of that, conventional EVM
may cause ...
Keywords: project performance, earned value, statistical control charts, cause-and-effect analysis
Abstract: This paper puts forward an integrated framework for proactive and optimal decision making on projects adopting
a process simulation approach. Upstream decisions on project selection and scope definition are linked with the downstream
operational processes and service delivery of projects. The findings presented in this paper are based on a case study
Keywords: Process simulation, decision making, design configuration, life cycle analysis
Abstract: A large-scale of civil infrastructure systems is associated with great amounts of project resources and activities
interoperated with various participants and organizations. Well-defined methodology for information acquisition and
communication became more critical in the management of civil infrastructure than ever before. Rapidly emerging
wireless sensor technology has been drawing a log of attention ...
Keywords: Ubiquitous computing, ZigBee sensor network, civil infrastructure, localization systems
Abstract: The enormous stock of underground lifeline structures constructed in Japan during the high economic growth
period is aging with each passing year. In addition, the need for efficient execution of inspection, diagnosis and repair work
is also increasing, as is the severity of the issues involved, including burgeoning repair and renewal costs; ...
Keywords: diagnose and repair of underground structures, repair and renewal, railway tunnel inspection cars, pipe internal
Abstract: In Japan, road tunnels have increased in both total length and number, and there are some tunnels still in service
that were completed more than 50 years ago. In order to maintain such tunnels efficiently with decreasing public funds,
deformation of tunnels should be detected at an early stage, and appropriate measures ...
Keywords: maintenance, repair, inspection, deformation
Abstract: Since Japanese railway was firstly laid in 1872, railway network has been highly developed and many railway
structures have been constructed. Especially, a large amount of railway structures in such as Shinkansen lines, metropolitan
railway lines has been put in place in 1970s corresponded to high economic growth period in Japan. To ...
Keywords: maintenance guideline for concrete structures, performance-verification system, inspection system
Abstract: We developed the Mirror Tele-camera System for efficiency improvement of inspection by TV-camera. And we
developed the Sewer Internal-Image Conversion System and the Sewer-Inspection Support System by using the image of the
Mirror Tele-camera System. 1) The Mirror Tele-camera System, a camera that can obtain a 360-degree side scan image to
improve pipeline ...
Keywords: Mirror Tele-camera, conversion, semi-automated inspection
Abstract: Tokyo Gas Co., ltd, the largest gas company in Japan, supplies city gas to Tokyo Metropolitan area, covering
3000km2 and 9.6million customers. Increasingmaintenance cost and damages of underground utilities let Tokyo Gas start the research and development of digital mapping in 1977. Tokyo Gas developed GIS basic software TUMSY in 1983 ...
Keywords: GIS, Mobile computing, CALS/EC, GPS
Abstract: In the SPR (Sewage Pipe Renewal) method, a rigid PVC liner is formed inside an existing pipe by using a specially
designed winding machine that is placed inside the existing pipe. A rigid PVC profile strip is fed through a manhole
entrance above ground, and the winding machine is used to wind ...
Keywords: No-dig method, Self driving machine, Profile, Free Cross-Section SPR Method, Heart SPR Metho
Abstract: Due to the location and environment of Taiwan, the frequency of nature disaster is high and the caused damages to the
human life, properties and transportation facilities are serious. Considering the disaster prevention of bridge structures
caused by earthquake, scour, debris flow, corrosion and senescence, literatures involving the developed bridge management
information systems ...
Keywords: Disaster prevention, Data exchange platform, Agent
Abstract: In recent years, increasingly more construction companies have adopted the Enterprise Resource Planning (ERP)
system in some form for increasing productivity and work efficiency. However, the current practice on construction Quality
Control (QC) still centers on quality control of work items associated with construction activities. This makes it difficult to
integrate or collaborate ...
Keywords: Construction ERP, Quality Control (QC), Quality Control Breakdown Structure (QCBS), Quality control index
Abstract: Advancements in sensor technology have brought the automated real-time bridge health monitoring system. Many
long span bridges in Korea and in Japan have adopted this real-time health monitoring system. However, current systemuses
complicated and high costwired networkamongst sensors in the bridge and high cost opticalcable between the bridge and the
management center, which ...
Keywords: Bridge Health Monitoring, USN, ZigBee, Wireless Sensor Network
Abstract: This paper describes a research project that attempt to develop a process integrating method and finally to create a
multi-agent system to support the cooperation in a design-build team. The approach taken is to apply Business Process
Reengineering (BPR) philosophy for providing a process-based fast-tracking execution mechanism for design-build teams.
An Integrated Design-Build ...
Keywords: design-build, fast-tracking, business process reengineering (BPR), multi-agent system (MAS), workflow
Abstract: Crack sealing is a routine and necessary operation of pavement maintenance. Manual observation of road surfaces
has been the most common method for evaluating road surface cracks around the world. However it is difficult to objectively
and accurately assess the road cracks based on human visual perception. The ultimate objective of this ...
Keywords: crack sealing, image processing, pavement
Abstract: Sekisui House, Ltd. constructed a zero-emissions recycling system which enables 100% recycling of construction
wastes discharged from the companys construction sites. In this system, all construction wastes are recovered at the
companys plants, completely sorted, and consigned to recycling facilities for treatment. Sekisui House has maximized
sorting accuracy by adopting a 2-stage sorting ...
Keywords: Zero emission, Sorting, Traceability, Supply chain management (SCM)
Abstract: Sekisui Heim residential houses (herein Heim) are made of factory-produced modules called Units which can be
combined to complete any house plan. All Units to compose a house are unique and have different parts in different
combinations. It is an important process to select and pick up about 30,000 parts correctly for ...
Keywords: prefabricated house, bill of materials, parts explosion, just-in-time
Abstract: The new house-building market in Japan can be divided into two parts. A half is occupied with detached houses built by large prefabricated house manufacturers as well as rather small local builders. The composition of the detached house-building market is:
A little less than 20 % occupied with prefabricated house manufacturers, ...
Keywords: conventional wooden house-building, industrialization, CAD-CAM, precut
Abstract: A UK-led construction consortium, ManuBuild, representing ten European countries, has secured 10 million Euros of EU
funding for a four year research programme, with a key focus on the supply of housing. It is the largest EU funding ever
awarded to the industry and promises a step change from current modern methods ...
Keywords: high prefabrication ratio, on site factory, ergonomic machinery, high productivity
Abstract: The author proposes the action-based 4+1 system for management of a constructed complex or construct, which
consists of four operational functions and one integral function. They are self-descriptive, self-sensing, self-image over
history, self-search, and finally their integral function, self-judge. The management system attempts to establish the
means of real time adjustment between design ...
Keywords: Ubiquitous 4+1 Management System, RFID, Sensing House, Active Database
Abstract: The automobile design in "the Chain of Quality" is finished completely in design phase. On the other hand, in
construction projects, the design activity for keeping quality is extended into construction phase after design phase activities. The actual condition in construction industry is carried out not in design phases, but in ...
Keywords: Quality, Construction Management, Project Management, Product process
Abstract: In a super-highrise residence project, the project manager needs to forge a long-term risk management plan which
covers any problems which may occur from the beginning of the project to the time of demolition. Development of a system
which supports a risk strategy effectively is needed as a project becomes more complex. ...
Keywords: Risk management, Super-highrise residence, Project life cycle, Project management
Abstract: In this paper, the risk sharing rules are investigated to characterize the contractual structure of the project
contracts.The authors exclusively focus upon theGCWand the FIDICforms,which can be regarded as typical examples
of incomplete contract forms.Risks involved in construction works are classified into exogenous and endogenous ones.
The paper claims that cleardifferences in both ...
Keywords: Risk sharing, Project Contracts, Incomplete Contracts, Renegotiation
Abstract: In this article, after surveying the problems incurred by the conventional technology-centered automation in a variety of fields, we put an emphasis on the fact that a concept of sociality is really needed to form the ideal human-automation and/or human-robot relations emerging out of active interactions. Then, some
key technical issues ...
Keywords: Human-centered automation, human-robot collaboration, sociality, ecological interface design
Abstract: Normally, the owner must contract with construction contractors and core system contractor at the same time in the
public projects. Especially, for an infrastructure project, the core system contractor and construction contractor may
sometimes pass their requests concerning with ambiguous conditions of interfaces to the owner by changing the design, or
by modifying ...
Keywords: Risk Allocation, Contract Comparison, THSRP, Construction Contract, Core System Contract
Abstract: Currentmonitoring and controlmethods rely on massive manualwork. As a result, control information is expensive to acquire, or is generated irregularly. Additionally, the information is only available infrequently and its quality and integrity are low.The purpose of the work presented in this paper is to improve monitoring and control information, i.e. ...
Keywords: Automation; Data collection; Feedback control; Controlmethods; Monitoring
Abstract: In the last years, several robots for building façade cleaning have been designed and some prototypes have been
developed. However, most of these robotics systems are too expensive to be introduced in the market or are only able to
cope with very simple completely flat glass façades. Funded by the European Commission, ...
Keywords: Automatic Façade Cleaning, Robot Control, Cleaning Robots
Abstract: The National Institute of Standards and Technology (NIST) is developing a real-time control system for a robotic
crane (the NIST RoboCrane) that will perform automated structural steel pick-and-place operations. The control system
architecture is based on the NIST Real-time Control Systems (RCS) reference model, which defines a system development
methodology and a hierarchical ...
Keywords: construction automation, real-time control architecture, robocrane, robotic crane, steel construction, task decomposition
Abstract: This paper reports the work done towards planning the trajectory for cooperative crane lifts. The location
of the hook points between the pick and place positions are determined using a path-planner. These are inputs to the
trajectory planner. The goal of the trajectory planner is to connect all the path-points while ensuring ...
Keywords: Trajectory planning, Trignometric spline, Cooperative manipulators, Heavy lift planning
Abstract: The need for additional port capacity has rapidly risen over the last few years due to globalization. Due to high
cost of land procurement, land reclamation has become a very promising alternative for expanding and constructing new
ports. The presence of soft marine clay poses a major challenge for port development as ...
Keywords: Prefabricated Vertical Drains, Decision Support System, Smear effect, Preloading
Abstract: Since the development of the PERT/CPM method in 1958, many planning and controlling tools have been developed;
however, no method has exceeded the PERT/CPM to make an epoch-making impact on the methodology for planning and
controlling at a construction site. The advanced technologies are strongly expected to serve as platforms for the
Keywords: 3D-CAD, Virtual Reality, RFID, photography, construction management, planning and controlling
Abstract: With the decline of construction investment, clients demand for Quality Cost Down and Shorter Construction Period becomes more intense. And some surveys show that most dissatisfied contractors service for client goes to cost related matter including cost management and unclear decision making process. This report tries to demonstrate how one ...
Keywords: Design by 3D Model, Client Satisfaction, Cost Management, Integrated Design
Abstract: The objective of the paper is to presents the 3D VR-based environment for basic design of the apartment buildings. The key issue of the system is the user-in-the-loop philosophy which permits the interactive modification of the building design. The user is able to choose the preferences in order to select ...
Keywords: User oriented, building, architectural design, virtual reality
Abstract: This paper presents a synopsis of the effort at the National Institute of Standards and Technology (NIST) to
develop standard protocols for the performance evaluation of 3D Imaging Systems. A 3D imaging system is an instrument used to measure rapidly the 3D coordinates of points on an object or within a ...
Keywords: 3D imaging systems, LADAR, laser scanning, performance evaluation, targets, terminology, test protocols
Abstract: A seamless means of distributing information between a job site and a site office is often necessary in construction
management. Most information written on drawings shows locations. We developed an information sharing tool with a
drawing based interface that runs on both a desktop computer and handheld computer, as well as two ...
Keywords: Drawing, Information Sharing, Handheld Computer, Finished Work Inspection, Building Diagnosis
Abstract: The ability to automatically recognize, locate and track structural steel components during production,
fabrication, and erection in real-time using laser-based 3D imaging technologies has the potential to provide a notable
improvement in the productivity of the steel industry. This paper provides a review of current practices in the U.S. steel construction industry ...
Keywords: 3D imaging systems, construction automation, laser scanning, steel construction, object recognition
Abstract: An outline of the developed system for autonomous loading operation by wheel loader will be described. The system consists of three sub-systems: (1) Environment measuring and modeling, (2) Planning and (3) Motion control. The environment measuring sub-system measures 3D shape of the environment by stereo-vision system. The shape of the ...
Keywords: loading operation, autonomous system, V-shape path, scooping, wheel loader
Abstract: A controller for a miniature wheel loader is developed to scoop rock piles autonomously. During a scooping task operation, the load of the bucket varies momentarily according to the phase of scooping. Before the insertion of the bucket into the rock pile, the load is just the bucket weight, but ...
Keywords: wheel loader, construction robot, autonomous scooping, disturbance observer
Abstract: A bucket control mechanism is developed for the simulation of rock pile scooping by wheel loaders. By measuring the reaction forces from the scooped rock pile by a six axis force sensor installed into this mechanism, the reaction force model can be obtained and its parameters are identified. By using ...
Keywords: wheel loader, autonomous scooping, rock pile, reaction force
Abstract: Although a tracked vehicle enables stable movements on rough terrain, in a rotating motion no fixed kinematic
model such as the model of wheeled mobile robot exists. Hence, it is difficult to realize a autonomous driving control of
the tracked vehicle. In this paper, a new tracking control method for a tracked ...
Keywords: Tracked vehicle, Tracking control, Wheeled mobile robot
Abstract: The purpose of this study is automated handling of massive
rocks for moving them to a proper place and for
breaking them down at a rock quarry. This paper reports
our first approach in laboratory environment using
a robotic manipulator with a small sized laser range
finder(LRF) to handle a relatively small object. For tumbling
Keywords: graspless manipulation, tumbling operation, shape recognition
Abstract: This paper introduces an on-going research effort at the Peter Kiewit Institute (PKI) at Omaha, Nebraska for developing sensor-aided intelligent mobile robots that provide high-level navigation functions for indoor construction site security and safety using wireless sensor networking (WSN) technology. The ultimate goal of the research is the complete integration ...
Keywords: mobile robot, CAD, wireless sensor network (WSN), security, position tracking
Abstract: We study basic functions for autonomous construction machines, such as indoor navigation, workpiece outline recognitation and machine learning method.
Keywords: Autonomous, Indoor Navigation, Vision System, Recognition, Machine Learning
Abstract: The robust position estimation has been important issue of mobile robot research for past few years. However,
because of physical constraint of each sensor, sensor fusion algorithm arise alternative proposal for solving the problem. In
this paper, we proposed a sensor fusion algorithm for probabilistic localization of service robot using laser scanner ...
Keywords: Sensor Fusion, Probabilistic localization, Service robot, indoor GPS system, Range Image Sensor
Abstract: We have been performing studies on the intelligent space to support various operations of mobile robots. This
space will provide several functions, such as recognizing position of robots and objects in the area, searching proper route
for robot to proceed, and controlling robots and other equipments. In order to conduct a practical ...
Keywords: Robotic Wheelchair, Ultra Sonic Positioning System, Laser Range Finder, Radio Frequency Identification System
Abstract: Researches on humanoid robots have become more and more active in various fields. One of the purposes is to
construct a coexistent and cooperative society between humanoid robots and human. The body of humanoid robots is similar
to human beings enabling them to walk with a pair of legs and to work ...
Keywords: Grasping, Cylinder Detection, GUI, Humanoid Robot
Abstract: The work of fitting ceiling boards is one of the hardest in carpentry, as it requires large muscular power. Hence there is a need to develop assisting apparatus for such work. In order to use this apparatus anywhere a wearable robot is the most suitable. As the robot must be ...
Keywords: wearable robot, carpentry work, semi-active device
Abstract: The great majority of robot construction machine currently in service are remotely controlled with the help of
video information. Most of these robots are connected to remote-control cameras. In certain circumstances, video images of
these robot systems cannot provide clear relative positional relationship between the topography where the job is being done
Keywords: Robot construction machine, top-end device, 3DCAD, product model
Abstract: A piece of automation equipment such as a robotic crane for steel erection has no intrinsic knowledge of the
process it automates. Thus, geometric and spatial information about a component such as a steel member, and the motion
sequences that must be executed to move that component from a staging area to ...
Keywords: Automation, CIS/2, Emulation, Structural Steelwork
Abstract: Many kinds of work machines based on hydraulic excavators have been developed for various work fields, e.g. demolition and industrial waste disposal. These work machines have also played an important role in the recovery work after disasters such as earthquakes, typhoons, and floods. We think that adapting these work machines ...
Keywords: double-front work machine, excavator, demolition, disaster recovery
Abstract: In recent years, some unmanned operation systems for the hydraulic excavator are required and some systems are already developed. However, it is difficult to realize effective operation utilizing such systems, because the operator cannot sense ground condition. The skillful operator adaptive their operation to the excavating environment based on the ...
Keywords: hydraulic excavator, autonomous control, operation skill, skill extraction
Abstract: This paper describes a bilateral robot control system that uses a real-time network and a prioritization scheme for data transmission via a network. The bilateral robot system is controlled by a new controller that improves impedance matching performance. The network system is implemented by a device named responsive processor which ...
Keywords: Computer network, Real-time network, Bilateral robot, Tele-operation
Abstract: This paper addresses the problems to achieve transparency and contact stability for teleoperation that consists of unconstrained and constrained motions, which are commonly seen in a construction site. The proposed teleoperator used for versatile construction operations keeps human workers from hazardous places. The adaptive bilateral control with a local force ...
Keywords: teleoperation, robotic intelligence assistance, communication delay, and unstructured environment
Abstract: The excavation process has got two main features. The first one is the soil digging. It can be regarded as a
quasi-static process in fact, in which the acceleration could be neglected. The second one is the soil transportation and bucket
discharging. It can be considered as a dynamic process. Some parts ...
Keywords: excavator, control system, open closed loop
Abstract: Construction automation and robotization effort was started in around 1980 as ISACR and IAARC promising great progress by promoted technologies in the 21st century.
Keywords: automation, robotics, construction, technologies
Abstract: In recent years, automation system based on IT technology becomes very popular not only for manufacturing
industries but also for the construction and civil engineering industries. The conventional location survey method in the civil
engineering construction site is pinpoint location survey for a broad objective area. The conventional method has severe
constraints when ...
Keywords: GPS-Gyro/IMU, Mobile Mapping System, as-built management, 3D mesurement
Abstract: Efforts to promote the information integrated construction of civil engineering work include the study and development of systems for efficiently conducting work and saving labor. However, such systems are often designed for a specific construction site or machinery, so construction information cannot be fully applied to other work sites or ...
Keywords: Information integrated construction, Information sharing and linking, Information model, Data exchange standard
Abstract: Ministry of Land, Infrastructure and Transport has been promoting computerized construction for the purpose of
rationalization of construction and improvement of supervision and inspection work with regard to improvement of efficiency
of construction, enhancement of safety, quality assurance and conservation of environment, etc. by effective use of
information in relation to construction where ...
Keywords: Computerized construction, earth work, paving work, construction management
Abstract: By the last decade of 20th century a new type of urban life was created. The new situation which was the result of
radical modifications of interpersonal communications, transformed the human relationships and led to the introduction of
virtual dimension of being. Advances in multimedia technology urged people to accept virtual relations ...
Keywords: No keywords
Abstract: By the last decade of 20th century a new type of urban life was created. The new situation which was the result of
radical modifications of interpersonal communications, transformed the human relationships and led to the introduction of
virtual dimension of being. Advances in multimedia technology urged people to accept virtual relations ...
Keywords: Simulation, Visualization, Excavation
Abstract: This paper describes an Adaptive Capacitive Sensor Network for Obstacle Ranging (ACSOR) that is intended to
provide entire arm encompassing obstacle range data for a robotic arm conducting the task of sandblasting a bridge. A
multi-channel capacitive sensor capable of dynamic obstacle ranging in air heavily laden with lead contaminated sandblasting
refuse has ...
Keywords: Capacitive, range sensor, obstacle avoidance, harsh environment
Abstract: Civil engineering executions still involve extensive dangerous distressful work, so improving the safety of these wretched
work environments must be ensured. In Japan, construction site workers are aging and there is fear of shortages of
experienced workers and young workers. Improving civil engineering work by executing it using computers and robotic
technology is ...
Keywords: hydraulic excavator, excavation and loading work, autonomous control, motion analysis
Abstract: To measure the volume of earth on the barge accurately and efficiently, a systemwas developed for accepting earth using
digital cameras. The developed systemhas been applied at actual sites. The system measures the volume of earth on the barge
using the technique of aerial photogrammetry. Stereo images are taken by two digital ...
Keywords: digital cameras, aerial photogrammetry, measuring volume,three-dimensional coordinates
Abstract: To measure the volume of earth on the barge accurately and efficiently, a systemwas developed for accepting earth using
digital cameras. The developed systemhas been applied at actual sites. The system measures the volume of earth on the barge using the technique of aerial photogrammetry. Stereo images are taken by two ...
Keywords: Mems, Sensor Networks, Structural Health Monitoring
Abstract: The city government will provide the enough emergence routes, parks, and so on to reduce the hurtful accidents during the escape by making the urban plan. The proportions of the Zoning of Hazard prevention will be influenced by some main policy such as the develop direction, population and some
effects, and ...
Keywords: Emergence shelter, Zoning of Hazard prevention, Emergence Evacuation, Escape Behavior
Abstract: The process of pile sleeve removal will affect the quality of piles directly. In general, there are three types of
working method to remove pile casing and the equipment also has significant effect on the quality of pile after casing
removal. Recent years, Non-destructive Testing methods were used to assess the quality ...
Keywords: pile, ultrasound, Non-destructive Testing method
Abstract: In this paper, a new methodology for identifying numerous elastic parameters of an orthotropic ground material from field measurements is presented. For a better understanding, a simpler problem, which, however, is in the same concept, is adopted for describing the strategy, which is to identify an orthotropic material from a ...
Keywords: Neural Network, Identification, Orthotropic Material, Field Measurement, Tunnel
Abstract: An adaptive sliding mode controller for vibration control is proposed in this paper for structures embedded with
magnetorheological (MR) dampers. Civil structures and buildings are liable to damages during earthquake periods. The
application of structural control methodologies is important in order to suppress vibrations due to seismic phenomena and dynamic loading. The ...
Keywords: Structural control; MR damper; adaptive sliding mode control
Abstract: The Technical Office of Kyushu (in the Kyushu Regional Development Bureau, Ministry of Land, Infrastructure and
Transport) and Fujita Corporation have jointly developed a remotely controlled robot that can be rapidly installed in
conventional commercially-available construction vehicles such as backhoes, bulldozers and crawler dump trucks.
This paper examines the practical utility (operability and ...
Keywords: Remote Control, Robot, Wireless Local Area Network, Disaster
Abstract: Up to now, ooze dredging has presented many problems: because the mud content ratio is low and has a wide variation
and the positioning of the dredger and operation of the ladder is done by hand, ooze dredging has been of poor precision,
with the dredging being either too deep or too ...
Keywords: Ooze dredging, Kasumigaura, Improvements for dredging automation Automation for dredging work managing system
Abstract: Many coastal areas in Japan are in a distressed condition due to beach erosion. Sand bypass systems offer one countermeasure for beach erosion.
In the conventional sand bypass method, heavy equipment such as a backhoe is used to collect sand when the location is above sea level, and a dredging ship ...
Keywords: self-sinking, suction pipe, sand-bypass, labor saving
Abstract: A remote-controlled and automated concrete surface grinding machine is introduced in this paper. The machine is designed to grind the unsmoothed concrete surface of bridge decks, airport runways, and road pavement. The remote control was required because of the hazardous working condition created by the concrete dust. A graphical man-machine ...
Keywords: Concrete Surface Grinding, Graphic Control Interface, Wireless Remote Control, Global Positioning System
Abstract: The work shows the principles and techniques that were the base of conceiving the control equipment to drive
the robot mechanism, to align the video camera used for the checking of the pipe and the way of taking over the video
images on a computer. The driving of the robot moving system ...
Keywords: Check the sewer pipes, Control equipment, Control of video camera
Abstract: Following typhoons, floods, earthquakes and volcanic eruptions, it is often necessary to undertake emergency works
under the continual threat of secondary disasters. In order to execute these works as safely as possible, it is important to
rapidly characterize ground conditions at the disaster sites. In order to achieve this, a portable cone ...
Keywords: Soil exploration, remote control, portable corn penetration test, robot, disaster prevention and restoration
Abstract: In the near future, precise road line location data is said to be applied to car navigation system and ITS to increase the
driving safety. It is important to maintain road data freshness and accuracy. A MMS(Mobile Mapping System) can acquire
this road database, while offering an unbeatable productivity with the combination ...
Keywords: Mobile Mapping System, GPS- Gyro /IMU, Road line survey, GIS
Abstract: The current pavement sign marking operations are manually carried out, which are labor-intensive. This method
requires blocking traffic for a long period of time resulting serious traffic jam. Also, the workers are exposed to possible
injury and even death by passing traffic. This paper deals with the development of a robotic system ...
Keywords: omni-directional robot, pavement sign painting, traffic signs
Abstract: Automatic data identification (Auto ID) technology such as bar code has grown rapidly in various
industries. However, the focus of these applications has primarily been limited to the internal operations of a few larger
companies. One of the major barriers to adopt modern Auto ID technologies in the construction industry is the ...
Keywords: construction; AUTO ID; materials management; standard coding
Abstract: The SCM system must apply to the curtain wall work because many stakeholders are participated in this work. By the way, each participant has its own system. Although the system is helpful for them to control its enterprise, it isnt available between one another system. The SCM system is necessary ...
Keywords: Supply Chain Management(SCM), Information Management, Information Exchange, Unit type Curtain Wall
Abstract: Both recent legislation codes and the evidence of the effects of high noise levels on human health have directed
research activities towards the problem of the improvement of Sound Transmission Loss (STL) of glazed facades in the
frequency range (low-medium) where passive means were already shown to be not effective. Adopting active ...
Keywords: ASAC system, Sound Transmission Loss, piezoceramic stack actuators, feedback control
Abstract: This paper describes the large-scale movable monument exhibited at the International Expo 2005, Aichi, Japan, as
the first application of an adaptive structure using a VGT mechanism. This monument is composed of three identical
movable towers comprising four truss members combined by VGT at joints. The VGT is an adaptive truss with ...
Keywords: Variable Geometry Truss, Adaptive Structure, Movable Monument, Safe Mechanism, Expo2005 Aichi Japan
Abstract: As a trial of automation for a curtain wall which is one of heavy materials, the prototype of an ASCI(Automation System
for Curtain wall Installation) was proposed and applied in real construction site. Human-robot cooperation is one of the
solutions to improve ASCI. The aim of this paper is to develop a ...
Keywords: Automation system, Curtain wall, Installation
Abstract: This research investigates the feasibility of web technology as a means of handling service requests for delivering high quality service in building operation and maintenance. This research proposes a web-based graphic service request (WGSR) system as a pragmatic solution to the limitations of current computerized maintenance management system (CMMS) processes. ...
Keywords: Service request, Computerized maintenance management system, Customer satisfaction, Facility information
Abstract: The Automated Building Construction System (ABCS), which was developed for the construction of high-rise
structural-steel buildings, applies the ideas of factory automation to the construction site and allows work to be done in a comfortable factory. It applies automation, robotics, and computer technology to building construction. ABCS integrates the Super Construction ...
Keywords: Steel Structure, High-rise Building, Factory Automation, All-weather, Welding
Abstract: Robots are only incidentally used to assemble wall panels in high-rise buildings, even though robotic technologies for various
applications are available. These applications can improve construction site safety and increase the productivity of the assembly process. A research project initiated at Eindhoven University of Technology (TU/e) in the Netherlands aims to ...
Keywords: curtain wall, wall panels, robot technologies, construction site safety
Abstract: Flow examination of a drainage system is one of the typical tests when installing piping at
construction sites in Japan. A huge amount of work is required for the examination, because it must
be carried out for the entire pipeline of the drainage system, and the examination cannot be executed
efficiently. Therefore, the ...
Keywords: RFID, PDA, flow examination, drainage system
Abstract: To efficiently and effectively manage projects in the construction phase, project managers have to transfer
information within the drawings to obtain a project schedule. However, practically, the result is usually arbitrary depending
on the project schedulers experiences. This research employs MD CAD objects as basic scheduling components to develop
a model that can ...
Keywords: MD Model, Construction Schedule, Genetic Algorithm (GA)
Abstract: It is important that how to improve junior engineers efficiently acquire construction projects experience. For junior
employees training, how to effectively reuse the tacit knowledge through information technology becomes an important
subject in construction. If the knowledge map could be applied in construction, it would achieve the following spots: (1)
enhance the knowledge ...
Keywords: Knowledge Management, Knowledge Map, IDEF0
Abstract: Recently, Knowledge Management (KM) has been applied to business management practice. Surprisingly, there
are few studies that address the most fundamental problem in KM: people may prefer not to share their knowledge in order
to preserve their intellectual or proprietary values in the organization. Without the premise of each individuals willingness to ...
Keywords: Knowledge Management, Knowledge Sharing, Knowledge Categorization, Game Theory
Abstract: Current construction worksite layout planning heavily relies on 2D paper media where the worksite planners
sketch the future layout adjacent to their real environment. This traditional approach turns out to be ineffective and prone to
error because only experienced and well-trained planners are able to generate the effective layout design with paper ...
Keywords: Augmented Reality, construction worksite planning, construction rules, simulation, tangible user interface
Abstract: 'Knowledge Management' (KM) is a promising business management concept that is gaining wide acceptance and
is being implemented in various sectors to achieve improved level of performance and competence. Project management
competence is one of the most significant criteria upon which the project performance is dependent on. Further, effective project management relies ...
Keywords: Project manager, Performance improvement, Knowledge management, Ontology
Abstract: Knowledge management (KM) is the organization, creation, sharing and flow of knowledge within organizations. The
reuse of information and knowledge minimizes the need to refer explicitly to past projects; reduces the time and cost of
solving problems, and improves the quality of solutions during the construction phase of a construction project. The
Keywords: Knowledge Management; Critical Success Factors (CSFs); Construction Projects
Abstract: This paper focuses on evaluation of the performance characteristics of workflows in constructions modeled with
stochastic Petri nets (SPN). This goal is achieved by focusing on a new model for Artificial Social Systems (ASS) behaviors.
ASS exists in practically every multi-agent system, and play a major role in the performance and effectiveness ...
Keywords: Workflow, Artificial Social Systems, Stochastic Petri nets
Abstract: Accurate progress management is one of the critical factors for successful project management in the sense that
it enables forecasting risks and taking corrective action by monitoring project status. However, the existing progress
measurement methods have limits on accuracy and reliability due to ad-hoc measurement based on the personal experience of the ...
Keywords: Progress Management, RFID, Application Model
Abstract: This paper presents the design of an XML schema-driven, tool-building environment, named XsEnvironment, to
facilitate application of construction information standards. XsEnvironment is designed to take an XML Schema of a
construction information standard, as input information, and then automatically build the corresponding form-based XML
information processing applications, which may include XML information editor, ...
Keywords: XML Schema, Construction Information Standards, Information Sharing and Exchange
Abstract: The Automated Life Cycle Management System (ALMS) is a web based system that is devised to manage a curtain wall
from design to installation and maintenance using Radio Frequency Identification (RFID) tags on the curtain wall units.
ALMS is not yet completed, but the prototype was implemented to analyze the effects. It ...
Keywords: Curtain Wall, Automated Life Cycle Management System, Verification of system effect
Abstract: In order to enhance experience management for engineers participating in construction projects, it is helpful to provide
engineers the experience exchanging and sharing platform to understand important issues form the previous executed
projects during the construction. The proposed experience maps help engineers better to illustrate what they have previous
earned experience to real-life ...
Keywords: Experience management; experience maps; construction project
Abstract: This technology displays each 3-dimensional stage of construction based on building model, construction plan model
and process model, and is utilizable for the presentation in order-received stage and work directions in construction
management stage. Moreover, this method not only can reduce input time sharply as compared with the method using
conventional CAD and ...
Keywords: Building Model, Construction Planning Model, Process Model, Construction Process, and Simulation
Abstract: This paper describes the experiences relating to the modernization of the production process and environmental
protection at Deva Cement Factory, Carpatcement Holding S.A. The production process, equipments and installations
improvement was considered. Besides the technological flow modernization measures, the company adopted certain
solutions for improving the performances linked to the technological process automation ...
Keywords: Control system, automation, renewing, environment
Abstract: In 1999,Law Concerning Special Measures against Dioxins was enacted. An incineration plant exceeding the
effluent standard of dioxins stops operation and the plan of demolition is carried out. When demolish an incineration plant
polluted by dioxins，it is necessary to ensure workers safety, neighbors health and their living environment. Authors
have developed an automatic ...
Keywords: Dismantlement, Incineration Plant, Toxic Waste, Removal, Risk Communication
Abstract: We have developed automatic chimney cleaning and brick dismantling equipment that allows even and efficient removal of dioxin and other toxic compounds adhered to the inner surfaces of chimneys. The equipment keeps spray distance constant by enabling spray nozzles to move in accordance with the varying diameter of the chimney. ...
Keywords: dioxin, chimney cleaning, brick dismantling
Abstract: Hydraulic crushers are available in dismantlement circumstance for example office buildings. Because the crushers weigh 35 to 50kg, adopting new accessory functions were highly expected for saving work/worker and improvements on safety. In this study, an indoor dismantlement assistance machine, which could be stably controlled by a single worker, was ...
Keywords: Manipulability Ellipsoid, Jib-crane, Balancer, and Operability
Abstract: Previous leak tests for ceiling filters of semiconductor/LCD clean rooms were performed manually and so it was
difficult to reduce their time and cost. Therefore, we developed a filter leak tester with an automatic probe scanner and a manual lift mechanism on a truck. One of the merits of the tester ...
Keywords: Clean Room, Filter Leak Test, Particle Counter, Scanning
Abstract: World research in autonmous robots has focused on behaviors inspired by natural animal such as flocking, foraging, collecting, and sharing of ants, birds, and insects.
Keywords: Truly Autonomous, Sociable Robots, Probailistic Energy, Neighbourhood
Abstract: The problem of coordinating construction vehicles in formations is tackled using the particle swarm optimization
algorithm. Coordinated multi-vehicles are anticipated to outperform single vehicles in terms of economy and flexibility. A
possible approach is to apply control theoretic methods to vehicle coordination but this may require complicated system
models to be employed. The ...
Keywords: Multi-vehicle coordination, particle swarm optimization, behaviour-based control, construction site automation.
Abstract: This paper details the implementation of a hierarchial control architecture based on Real-time Control System-Reference Model Architecture (RCS-RMA), for autonomous operation of mobile construction robots.
Keywords: RCS-RMA, Mobile robot, POMDP, PID
Abstract: Construction work should be simplified by introducing modularity into both structural components and means of
assembly. Based on this idea, we have proposed a novel concept of fully automated construction system called Automatic
Modular Assembly System (AMAS), which drastically reduces the difficulty of automated construction task. In this paper,
we focus on distributed ...
Keywords: Automatic Modular Assembly System (AMAS), Swarm Robotics, Gradient field, Distributed Autonomous Systems (DAS)
Abstract: In construction projects, one of the main problems in the schedule planning and control is the determination of the project
schedule, especially, when the resources required are limited. Project managers or schedulers have used an estimated time
to assure the completion time of either an activity or a project. However, this traditional ...
Keywords: Buffer Management, Theory of Constraints, Critical Chain, Scheduling and Control
Abstract: Construction project scheduling is crucial to project success. From the perspective of contractors, a practical
schedule based on engineering experience not only improves the accuracy of project duration and cost estimation during
the bidding process, but also facilitates the operation during project execution. This study employs Constraint
Programming (CP) techniques to resolve resource-constrained ...
Keywords: Project scheduling, Resource-constrained scheduling, External resources, Constraint programming
Abstract: Buffer in construction management means a cushion that protects the planned project schedule from uncertainty.
Traditional buffer management, however, often fails to perform its purpose, hence reducing efficiency in schedule
management. Such failure has been mainly attributed to the fact that traditional buffering is based on experience rather than
being made in a ...
Keywords: Buffering, Scheduling, Uncertainty, Managers Assignment
Abstract: Pre-project planning is the project phase encompassing all the tasks between project initiation to detailed design.
The development of a project scope definition packages is one of the major tasks in the pre-project planning process. Project
scope definition is the process by which projects are defined and prepared for execution. It is ...
Keywords: Scope Definition, Project Success, Pre-Project Planning, Project Processes, Industry Practice
Abstract: The study of construction planning assist method using information technology is being continued steadily.
However, the practical planning assist methods like a automatically checking construction plan instantaneously have not been
proposed. The purpose of this paper is to provide functional and practical new construction planning assist method using
construction model. Authors developed Erection ...
Keywords: construction model, construction planning, assist method, activity checking method, information technology
Abstract: The assignment of staff to projects is a regular activity for many contractors, government agencies and consulting
firms. Whereas the primary objective of the assignment is to maximize the overall profit, issues dealing with manpower
management must also be incorporated to ensure strong morale and to enhance competitiveness. Such issues include to ...
Keywords: PSO, Multiobjective optimization, Assignment problem, Manpower management