To provide a brake system which can highly accurately determine that a driver has released a brake pedal.SOLUTION: A brake system has: an input rod 17 connected to a brake pedal 3; a stroke sensor 4 for detecting a moving amount of the input rod 17 accompanied by an operation of the brake pedal 3; an atmospheric pressure type booster 10 for progressing a primary piston 5B of a master cylinder 5 on the basis of the moving amount of the input rod 17; a hydraulic sensor 9 for detecting the hydraulic pressure of the master cylinder 5; and a pedal operation determination part 44 for determining the presence or absence of the operation of the brake pedal 3 by a driver. When "an estimation moving amount (input rod return position Xre) of the input rod 17 which is acquired on the basis of the hydraulic pressure of the master cylinder 5," and "a detection moving amount (input rod position Xir) of the input rod 17 detected by the hydraulic sensor 9" coincide with each other, the pedal operation determination part 44 determines that there is no operation of the brake pedal 3 by the driver.SELECTED DRAWING: Figure 3


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    Title :

    ブレーキシステム


    Publication date :

    2022-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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