Method for Operating a Brake System for Motor Vehicles and a Brake System in Which the Method is Carried Out,申请号US201414779499-传众专利搜索

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发明名称	Method for Operating a Brake System for Motor Vehicles and a Brake System in Which the Method is Carried Out
摘要	An electrohydraulic brake system method for motor vehicles having a wheel-specific brake control function (ABS, ESC, TCS) and hydraulically actuable wheel brakes (43, 44, 45, 46), communicating with an electrically controllable pressure supply device. The pressure supply device (40) having a cylinder-based piston arrangement with a pressure space driven by an electromechanical actuator (2, 4). To set a brake system pressure (Psys) wherein a wheel-specific wheel setpoint pressure (Pi) is predefined for each wheel brake, and a pressure regulating process (301) is carried out, wherein at certain times a control process (303) of the pressure medium volume which is output by the pressure supply device is carried out instead of the pressure regulating process (301) of the brake system pressure, switching over (302) from the pressure regulating process to the control of the pressure medium volume is carried out as a function of the wheel setpoint pressures (Pi).
申请公布号	US2016039398(A1)	申请公布日期	2016.02.11
申请号	US201414779499	申请日期	2014.03.04
申请人	CONTINENTAL TEVES AG & CO. OHG	发明人	Roll Georg;Böhm Jürgen;Besier Marco
分类号	B60T8/32;B60T8/40	主分类号	B60T8/32
代理机构		代理人
主权项	1. A method for operating an electrohydraulic brake system for motor vehicles of the type having a wheel-specific closed-loop brake control function and hydraulically actuable wheel brakes, which are each disconnectably connected to an electrically controllable pressure supply device via an inlet valve, the pressure supply device having a cylinder-piston arrangement with a hydraulic pressure space, and a piston which can be moved by an electromechanical actuator in order to set a brake system pressure (Psys), and which are each connected or can be connected to a pressure medium reservoir via an outlet valve, wherein a wheel-specific setpoint wheel pressure (pi) is specified for each wheel brake, and having closed-loop pressure control of the brake system pressure (Psys) of the pressure supply device, comprising the steps of carrying out at certain times an open-loop control of the pressure medium volume which is output by the pressure supply device instead of the closed-loop pressure control of the brake system pressure, and carrying out a switchover from closed-loop pressure control of the brake system pressure to the open-loop control of the pressure medium volume in accordance with the setpoint wheel pressures (pi) which are specified for the wheel brakes.
地址	Frankfurt DE

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