Research on ergonomic evaluation and road measures for wheelchair drivers

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For wheelchair drivers, when driving on the curve section which requires speed and steering control at the same time, they receive greater driving load, and the vehicle swerves strongly on the section from leaving the curve to a straight course. There is a reduction in controlling the body trunk, and the driver has to drive with an unstable seating posture, therefore, an instructional method of entering the curve and also some extra space for the section of leaving the curve are necessary. The measure for the vehicle is a development of body support equipment which is able to provide stable seating style with no change to posture and operation depending on the driving conditions.