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1. 发明申请

US20040040781A1 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US20040040781A1
公开(公告)日：2004-03-04
申请号：US10647464
申请日：2003-08-26
申请人： Fuji Jukogyo Kabushiki Kaisha , Mitsubishi Denki Kabushiki Kaisha
发明人： Takehiko Fujioka , Theerawat Limpibunterng , Masahiko Kurishige , Hideyuki Tanaka , Hajime Oyama
IPC分类号： B62D005/04
CPC分类号： B62D5/008 , B62D5/006 , B62D5/0466 , B62D6/008
摘要： An electric power steering apparatus having a steering system capable of flexibly setting a relationship between a steering angle of a steering wheel and a wheel angle of a tire. The first motor controls steering reaction force exerted on the steering wheel. The on-center region determination section determines whether the steering wheel is in a position of an on-center region. The tire reaction force torque detection section detects tire reaction force torque transferred from the tire. The control section calculates a steering torque based on the tire reaction force torque and a torque gain. This torque is detected by the tire reaction force torque detection section. And the control section controls the first motor to exert the steering reaction force corresponding to the above calculated steering torque on the steering wheel. This control section also sets the torque gain in case of determining of on-center region larger than that in case of determining of non-on-center region.
摘要翻译：一种具有能够灵活地设定方向盘的转向角与轮胎的车轮角度的关系的转向系统的电动助力转向装置。第一个电机控制施加在方向盘上的转向反作用力。中心区域确定部分确定方向盘是否处于中心区域的位置。轮胎反作用力转矩检测部检测从轮胎传递的轮胎反作用力转矩。控制部基于轮胎反作用力转矩和转矩增益来计算转向转矩。该扭矩由轮胎反作用力转矩检测部检测。并且控制部分控制第一电动机以在方向盘上施加与上述计算出的转向转矩相对应的转向反作用力。在确定中心区域的情况下，该控制部分还设置大于在确定非中心区域的情况下的扭矩增益。

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