发明名称 |
Electric power steering apparatus |
摘要 |
An electric power steering apparatus includes: a rotation speed detecting unit which detects a rotation speed of the electric motor; a compensation current determining unit which determines an instruction value of a compensation current to flow through the electric motor to suppress torque ripples due to distortion of an induced electromotive force waveform of the electric motor in accordance with a load correspondence quantity as a physical quantity corresponding to a load of the electric motor and the rotation speed detected by the rotation speed detecting unit; a correcting unit which corrects the current target value on the basis of the compensation current instruction value; and a control unit which performs a feedback control on the electric motor so that a current having the current target value as corrected by the correcting unit flows through the electric motor.
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申请公布号 |
US2004206571(A1) |
申请公布日期 |
2004.10.21 |
申请号 |
US20040827240 |
申请日期 |
2004.04.20 |
申请人 |
KOYO SEIKO CO., LTD. |
发明人 |
NISHIZAKI KATSUTOSHI;UEDA TAKESHI |
分类号 |
B62D5/04;H02P6/10;H02P21/00;H02P27/04;(IPC1-7):B62D5/04 |
主分类号 |
B62D5/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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