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Paper w78-2001-9:
Building management simulation center

Facilitated by the SciX project

B de Vries

Building management simulation center

Abstract: Introduction to the BMSC In the Building Management Simulation Center new and experienced construction managers are trained. The center is unique because of the use of a virtual building site that can be inspected by the trainees. The actual status of the building and of the building materials and equipment on the building site is simulated by the system dependent on the trainee’s actions. The main part of the center is the simulation hall. Here, ten cabins are located with a view on a large parabolic projection screen. The trainee has to execute tasks in the cabin in an environment that is familiar to him/her. On the projection screen the building under construction can be viewed and it can be inspected by navigation through the full-scale model. Similar VR based training systems can be found in the aircraft industry, the automotive industry [http://www.ttsl.co.uk/home.htm] en de shipbuilding industry [http://thor.sv.vt.edu/crane/]. These examples inspired the initiators of the BMSC to investigate if the same methodology could be used in the building industry. Building site activity patterns Construction process simulation research has mainly been focused on the development of a construction planning analysis tool [e.g. V.R. Kamat, J.C. Martinez in proceedings of CIT2000]. In the BMSC though, interaction between the construction manager and the building on the building site will steer the construction process simulation. Investigations on the building site and discussions with experienced construction managers learned that they work in fixed patterns. A pattern consisting of a list of activities is called a transition type. These transition types describe all kinds of procedures that a construction manager performs to fulfill a specific tasks (e.g. ordering of new material). Transition types also take into account actions required to perform corrections beforehand or afterwards. For a specific case the transitions were entered into the system. The transitions were deduced from the construction managers that had worked on that building project when it was actually built. For the training purposes every possible situation the trainee can end up with has to be covered by the transitions. The interactive 3D training system The trainee’s actions are logged by a kind of Electronic Data Management System. All documents that are created during a training session are stored in the system. The system itself also contains project information that can be consulted. Finally the system offers an interface to communicate with the other participants in the project. After the training session that consists of the execution of a set of tasks, the system has stored all actions, their order and the produced documents. These data are compared with the predefined transitions for the case that was used. The document contents are compared with the predefined activity results. With this method it is easy to detect if the trainee missed certain activities in a transition and if the information is consistent. Finally, a visual feedback can be created be regeneration the 3D model in the VR environment in accordance with the trainee’s actions. The 3D model will show has far the building could have been built successfully. The learning effect After the training session the trainee will be confronted with the (possible) mismatch between has own actions and the preferred actions following from the predefined transitions. Evidently this is discussed during the evaluation after the training. Recognition of the right transition by the trainee to solve a specific task is considered one of the major learning effects of a BMSC training. Paper Outline In the paper the software architecture of the system will be explained. The activity patterns and the management of the system are discussed in more detail. A layout of the building where the BMSC is hosted is presented. Finally some examples of the training sessions will illustrate how the BMSC operates in practice and an overview will be presented of the first experiences.

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Full text: content.pdf (1,053,282 bytes) (available to registered users only)

Series: w78:2001 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.deployment (0.027827) class.man-software (0.018630) class.communication (0.013308)
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Permission to reproduce these documents have been graciously provided by CSIR Building and Construction Technology. The assistance of the editors, Mr. Gustav Coetzee and Mr. Frances Boshoff, is gratefully appreciated.

 

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