BRAKE CONTROLLER FOR VEHICLE
PROBLEM TO BE SOLVED: To prevent a brake pedal from being pulled into or vibrated on starting of a braking force control and a brake operation feeling from worsening or abnormal noises from producing accompanying it. SOLUTION: In the situation where a pressurization control is allowed, and the press...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To prevent a brake pedal from being pulled into or vibrated on starting of a braking force control and a brake operation feeling from worsening or abnormal noises from producing accompanying it. SOLUTION: In the situation where a pressurization control is allowed, and the pressurization control is to start by a driver with a quick service or strong brake control (S20, S30), a master cylinder pressure Pm is set to a reference pressure Pmc, and communication control valves 22F, 22R are closed. When the master cylinder pressure Pm becomes not less than the reference pressure Pmc+α1, an intake control valve 60F and 60R are opened (S60, S80), when the master cylinder pressure Pm increases further and becomes not less than the reference value Pmc+α2, pumps 42F and 42R are started to drive (S100, S120), and a brake assist control is made by controlling communicating control valves 22F and 22R (S130). |
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