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Paper w78-2008-4-01:
A CONTEXT-ADAPTIVE BUILDING INFORMATION MODEL FOR REAL-TIME STRUCTURAL ANALYSIS IN A DISASTER MANAGEMENT SYSTEM

Facilitated by the SciX project

Ru_diger SCHU_TZ, Thomas Bernoulli, Thomas Wießflecker, Ulrich Walder

A CONTEXT-ADAPTIVE BUILDING INFORMATION MODEL FOR REAL-TIME STRUCTURAL ANALYSIS IN A DISASTER MANAGEMENT SYSTEM

Abstract: In case of disasters in urban areas it is important to immediately gain precise information about the constructional environment in order to react appropriately. Information can be gathered from Computer Aided Facility Management (CAFM)-, Computer Aided Design (CAD)- and Geographic Information Systems (GIS)-Applications but their effectiveness depends on the preparation of the data for the special needs in extraordinary situations. A major challenge is the integration of real-time data from sensors in the building and from the equipment used by the rescue forces on site. At the Institute of Building Informatics a Computer Aided Disaster Management System (CADMS) is under development which is based on an enlarged ifcXML model. The system allows for the interaction of building data with static and mobile sensors, and can be used for indoor positioning of the rescue forces. A simplified, real-time adaptive static model will be used to estimate the danger of structural collapse. The rescue forces will be equipped with head-mounted displays (HMDs) and be able to interact with the application by voice. The tracking of the rescue forces is performed by inertial and magnetic sensors. These sensors are constantly calibrated according to the surrounding “intelligent” building data.

Keywords: building model, sensors, real-time structural analysis, indoor positioning, speech enabled user interface

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