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1. 发明申请

WO2013150948A9 MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE EQUIPPED WITH SAME 审中-公开
标题翻译：电动机控制装置和配备有该电动机的电动转向装置
公开(公告)号：WO2013150948A9
公开(公告)日：2013-11-21
申请号：PCT/JP2013059198
申请日：2013-03-28
申请人： NSK LTD
发明人： HOSHI YUZURU , SAKAGUCHI TORU , NAKAYAMA SACHIO , MAEDA MASAHIRO , MORI KENJI , IMAMURA YOUSUKE
IPC分类号： H02P27/06 , B62D5/04 , B62D6/00 , B62D101/00 , B62D119/00 , H02P29/00
CPC分类号： H02P21/0035 , B60T8/1755 , B62D5/046 , B62D5/0463 , B62D5/0484 , B62D5/049 , B62D6/003 , B62D6/008 , B62D7/159 , H02M7/5395 , H02M2001/0009 , H02P6/08 , H02P29/0241
摘要： An electric power steering device equipped with a motor control device, said motor control device having a current detection circuit for detecting a motor current in the form of a detected current value, a drive control unit for driving a motor according to a duty cycle based on a voltage command value determined on the basis of at least a current command value, and a rotation detection means for detecting an angle and an angular velocity of the motor, wherein the motor control device is equipped with an adaptive current observer that identifies each parameter fluctuation of an output model of the motor, computes an estimated current value of the motor, and uses the estimated current value to compute a voltage command value, an adaptive identification diagnosis unit that diagnoses incorrect estimation of the estimated current value obtained from the adaptive current observer, and a current-undetectable state detection unit that detects a current-undetectable state in which a detected current value cannot be obtained, said adaptive identification diagnosis unit diagnosing incorrect estimation of the estimated current value on the basis of the estimated current value, detected current value, angle, and current-undetectable state and controling the duty cycle on the basis of the diagnosis result.
摘要翻译：一种电动动力转向装置，其具备电动机控制装置，所述电动机控制装置具有电流检测电路，该电流检测电路以检测电流值的形式检测电动机电流;驱动控制部，其基于基于至少电流指令值确定的电压指令值以及用于检测电动机的角度和角速度的旋转检测装置，其中电动机控制装置配备有自适应电流观测器，该自适应电流观测器识别每个参数波动计算马达的估计电流值，并使用估计的电流值来计算电压指令值;自适应识别诊断单元，其诊断从自适应电流观测器获得的估计电流值的错误估计以及电流不可检测状态检测单元，检测其中检测到的电流不可检测状态所述自适应识别诊断单元基于估计的电流值，检测到的电流值，角度和不可检测的状态来诊断估计的电流值的错误估计，并且基于诊断来控制占空比结果。

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