旅客船内における車いすの走行シミュレーション-II : 船内車いす走行軌跡推定モデルの構築

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On ships, passengers using wheelchairs are exposed to danger such as uncontrollable running due to acceleration resulted from ship motion. Under certain acceleration condition, a wheelchair cannot go through a narrow corridor without contacting with a wall or other obstacle. It is, therefore, necessary to evaluate the relation between a wheelchair running for obtaining information on the adequate width of the corridors to improve safety and usability for wheelchair users. Such relation, however, has not been clarified enough. The purpose of this research is to develop a numerical model for estimating trajectories of wheelchair running under given acceleration conditions. To estimate the trajectories of wheelchair running, two numerical models are necessary. One is a model for calculating the trajectories under given acceleration conditions and torques applied to the both wheels. The other one is a model for estimating torques under given acceleration conditions and targeting courses of the wheelchair. We already developed the former model as reported in the previous paper. In this paper, the latter model is introduced. The model for estimating torques was developed considering the simplified patterns of the measured torques in the experiments on the wheelchair running conducted on inclined platform and on a ship. The effectiveness of the numerical models was evaluated mainly by comparing the trajectories calculated and measured in the experiments. Then we conclude that the numerical models can be applied for providing the information on adequate the width of the corridors in view of the wheelchair running under given acceleration conditions.
2003-09-25

旅客船内における車いすの走行シミュレーション-II : 船内車いす走行軌跡推定モデルの構築

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