TRANSPORTATION MOTOR VEHICLE AND METHOD OF CONTROLLING THE SAME
    1.
    发明公开
    TRANSPORTATION MOTOR VEHICLE AND METHOD OF CONTROLLING THE SAME 审中-公开
    运输车辆及其控制方法

    公开(公告)号:EP1630061A4

    公开(公告)日:2007-10-31

    申请号:EP04745625

    申请日:2004-06-01

    申请人: SONY CORP

    发明人: KAKINUMA TAKEKAZU

    摘要: The present invention relates to a conveyance vehicle in which pulling force or pushing force of someone who conveys the conveyance vehicle by pulling or pushing the conveyance vehicle and a control method thereof. A conveyance vehicle according to the present invention is composed of two wheels 3L, 3R, two electrically-powered motors 15, 15 for rotating the two wheels 3L, 3R, a conveyance body 2 having the two electrically-powered motors 15, 15 mounted thereon, a handle 6 for applying conveying force to the conveyance body 2, a force sensor 7 for detecting pulling force acting on the handle 6 and a vehicle control unit 5 for driving the electrically-powered motor 15 based on a detected signal from the force sensor 7. According to the present invention, when force for pulling or pushing the conveyance body is greater than a reference value, it is possible to maintain man's conveying force at a constant value to thereby alleviate load imposed on someone by assisting the conveying power with an amount of force exceeding the reference value.