PROBLEM TO BE SOLVED: To improve performance of detecting abrasion of a friction member, in a vehicular brake system including an electric brake device and an abrasion detector.SOLUTION: A vehicular brake system is configured to: (A) acquire an advanced amount of a driven member and pressing force that is force that the driven member presses a friction member; (B) detect a contact start position that is a position of the driven member at the time when the friction member starts contacting with a rotor; (C) estimate a residual thickness of the frictional member on the basis of the contact start position; and (D) detect partial abrasion of the friction member, by comparing relationship between the acquired advanced amount and pressing force with relationship between the advanced amount and pressing force in a case where it is assumed that the friction member becomes the residual thickness in an even abrasion state.SELECTED DRAWING: Figure 5

    【課題】電動ブレーキ装置と摩耗検知器とを備えた車両用ブレーキシステムにおいて、摩擦部材の摩耗を検知する性能を向上させる【解決手段】(A)被駆動部材の前進量および被駆動部材が摩擦部材を押圧している力である押圧力を取得し、(B)摩擦部材が回転体に接触し始める被駆動部材の位置である接触開始位置を検出し、(C)その接触開始位置に基づいて摩擦部材の残存厚を推定し、(D)取得された前進量と押圧力との関係と、摩擦部材が均等に摩耗した状態で残存厚となっていると仮定した場合における前進量と押圧力との関係とを比較することによって、摩擦部材の偏摩耗を検知するように構成する。【選択図】図5


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    Title :

    VEHICULAR BRAKE SYSTEM AND FRICTION MEMBER ABRASION DETECTION METHOD


    Additional title:

    車両用ブレーキシステムおよび摩擦部材摩耗検知方法


    Contributors:

    Publication date :

    2017-10-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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