发明申请
- 专利标题: ELECTRIC POWER STEERING CONTROL APPARATUS
- 专利标题(中): 电动转向控制装置
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申请号: US10669654申请日: 2003-09-25
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公开(公告)号: US20050067214A1公开(公告)日: 2005-03-31
- 发明人: Hideyuki Tanaka , Masahiko Kurishige , Noriyuki Inoue , Kazumichi Tsutsumi , Shigeki Ohtagaki
- 申请人: Hideyuki Tanaka , Masahiko Kurishige , Noriyuki Inoue , Kazumichi Tsutsumi , Shigeki Ohtagaki
- 专利权人: MITSUBISHI DENKI KABUSHIKI KAISHA
- 当前专利权人: MITSUBISHI DENKI KABUSHIKI KAISHA
- 主分类号: B62D5/04
- IPC分类号: B62D5/04 ; B62D6/00
摘要:
A road surface reaction torque detector has a low-pass filter element whose time constant is determined in accordance with a vehicle speed that is detected by a vehicle steed detector and a motor rotation speed that is detected by a motor rotation speed detector. A road surface reaction torque estimation value is obtained in such a manner that the road surface reaction torque detector performs low-pass filter processing on steering shaft reaction torque signal that is outputted by a steering shaft reaction torque signal outputting means. As a result, an accuracy of estimation of road surface reaction torque is improved.
公开/授权文献
- US06863150B1 Electric power steering control apparatus 公开/授权日:2005-03-08