发明授权
- 专利标题： Control apparatus for electric motor vehicles
- 专利标题（中）： 电动车辆控制装置
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申请号： US897712申请日： 1978-04-19
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公开(公告)号： US4199711A公开(公告)日： 1980-04-22
- 发明人: Michimasa Horiuchi , Masahiko Ibamoto , Jinichi Toyama
- 申请人： Michimasa Horiuchi , Masahiko Ibamoto , Jinichi Toyama
- 申请人地址： JPX
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JPX
- 优先权： JPX52-45787 19770422
- 主分类号： H02P3/08
- IPC分类号： H02P3/08 ; B60L7/00 ; B60L15/08 ; B60L15/20 ; H02P5/16
摘要：
A control apparatus for an electric motor vehicle includes a control system to increase the duty cycle of a chopper circuit driving an electric drive motor of the vehicle when a spontaneous backward movement takes place upon starting of the vehicle at an uphill gradient, thereby to increase the armature and field current of the drive motor and hence the counter current braking effort or so-called plugging effort. The control apparatus assures a reliable starting of the vehicle even at an uphill gradient road.
公开/授权文献
- US5830024A Boat paddle having lateral force transmitting rib 公开/授权日：1998-11-03