发明名称 Electrical angle detecting apparatus and method, and motor control apparatus
摘要 An electrical angle detecting apparatus determines an electrical angle &thetas; from voltages Vd, Vq, and currents Id, Iq along a d-axis and a q-axis of a synchronous motor (40), by using the following expressions: <MATH> where (n-1) indicates a value of each variable at the previous timing; (n) indicates a value at the given timing; R is the resistance of a coil; t is the determination executing period; and k1, k2 are coefficients. This determination makes it easier to set appropriate gains, so that precision improves. Furthermore, the amount of determination reduces, and the processing time shortens. <IMAGE>
申请公布号 EP1014554(A3) 申请公布日期 2001.11.21
申请号 EP19990125099 申请日期 1999.12.16
申请人 TOYOTA JIDOSHA KABUSHIKI KAISHA 发明人 KOIDE, SATOSHI;KAWABATA, YASUTOMO;YAMADA, EIJI
分类号 B60L11/18;B60L15/02;H02P6/18 主分类号 B60L11/18
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