PROBLEM TO BE SOLVED: To provide a steering angle detecting apparatus capable of pertinently calculating steering angle even in a case of occurrence of power supply failure.SOLUTION: A steering angle detecting apparatus 11 comprises a plurality of rotation angle sensors 120, 220 and controlling parts 150, 250. The rotation angle sensors 120, 220 may continue calculation of at least rotation numbers TC1, TC2 even under a period of IG off. Steering angle calculation parts 155, 255 calculate steering angle θs1, θs2 based on rotation numbers TC1, TC2 and rotation angles θm1, θm2 obtained from rotation angle sensors 120, 220 provided respectively. Batteries 170, 270 are respectively provided for each system. In a case where one system has power supply failure, the controlling part in the system having failure obtains neutral position information and rotation number from a controlling part in normal system. Thereby, the steering angle may be pertinently calculated even in a case of occurrence of power supply failure in one system.SELECTED DRAWING: Figure 2

    【課題】電源失陥異常が生じた場合であっても、適切に舵角演算可能である舵角検出装置を提供する。【解決手段】舵角検出装置11は、複数の回転角センサ120、220と、制御部150、250と、を備える。回転角センサ120、220は、IGがオフされている期間において、少なくとも回転回数TC1、TC2の演算を継続可能である。舵角演算部155、255は、対応して設けられる回転角センサ120、220から取得される回転回数TC1、TC2および回転角θm1、θm2に基づいて舵角θs1、θs2を演算する。バッテリ170、270は、系統ごとに設けられる。一部の系統において、電源失陥異常が生じた場合、異常系統の制御部は、IGがオンされたとき、正常系統の制御部から、中点情報および回転回数を取得する。これにより、一部の系統に電源失陥異常が生じた場合であっても、適切に舵角演算を行うことができる。【選択図】 図2


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    Title :

    STEERING ANGLE DETECTING APPARATUS


    Additional title:

    舵角検出装置


    Contributors:

    Publication date :

    2018-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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