The invention provides a motor sensor redundancy system for an electric power steering system and a control method thereof. The system comprises a controller module, a switching circuit module, a driving motor and a motor sensor module. When the motor sensor module fails, the switching circuit module connects one of three-phase windings to a second controller, and the second controller obtains the position information of the driving motor, so that the first controller controls the driving motor. According to the scheme, the whole system can be controlled by only one motor position sensor, the structure of the system is simplified, and the cost can be effectively reduced. In addition, the problem that the failure risk is increased due to the fact that a plurality of channels are arranged and a plurality of connectors are used can be avoided. And the design difficulty of a motor control algorithm can be reduced.

    本发明提供一种用于电动转向系统的电机传感器冗余系统及其控制方法。其中,系统包括控制器模块、切换电路模块、驱动电机和电机传感器模块。当电机传感器模块失效时,切换电路模块将其中一套三相绕组连接到第二控制器,第二控制器获取驱动电机的位置信息,以使第一控制器控制驱动电机。本方案仅需一个电机位置传感器就能够实现对整个系统的控制,简化了系统的结构,也可以有效地降低成本。此外,能够避免因设置多个通道而使用较多的接插件而导致的失效风险增大的问题。还能够降低电机控制算法的设计难度。


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    Titel :

    Motor sensor redundancy system for electric power steering system and control method thereof


    Weitere Titelangaben:

    用于电动转向系统的电机传感器冗余系统及其控制方法


    Beteiligte:
    ZHENG HU (Autor:in) / ZHU WENBO (Autor:in) / LIU FEI (Autor:in) / ZHANG CHENGBAO (Autor:in) / LI JINGXUAN (Autor:in) / FENG YE (Autor:in) / GU LINGRUI (Autor:in)

    Erscheinungsdatum :

    2021-11-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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