Electric power steering apparatus

专利名称：Electric power steering apparatus发明人：Makoto Murata,Osamu Tsurumiya,Tomoaki

Sugano,Atsushi Kurauchi

申请号：US10115214申请日：20020402公开号：US06598698B2公开日：20030729

专利附图：

摘要：An electric power steering apparatus comprises an electric motor a vehiclespeed detecting section (vehicle speed sensor) VS, a shifting state detecting section fordetecting a shifting state of the vehicle, an engine rotational speed detecting section

(engine rotational speed sensor) ES, and a motor control section (controller) forcontrolling drive of the electric motor The motor control section includes a failuredetermination section (vehicle speed sensor failure determination section) for

determining failure of the vehicle speed detecting section on the basis of a vehicle speed,a shifting state and an engine rotational speed. The failure determination sectiondetermines that the vehicle speed detecting section VS malfunctions if the enginerotational speed is equal to or greater than a predetermined rotational speed for adeterminative continuous-time and/or a first determinative integrated time while thevehicle speed is zero and the shifting state is a vehicle driving state.

申请人：HONDA GIKEN KOGYO KABUSHIKI KAISHA

代理机构：Merchant & Gould P.C.

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