A brake system for a vehicle having a master brake cylinder, which provides a pressure signal, having a brake-medium reservoir connected to the master brake cylinder, and a first brake circuit, which is coupled by a first input to the master brake cylinder and by a second input to the brake-medium reservoir, and having at least one first wheel-brake cylinder, which is mounted at a first wheel, in order to exert a force corresponding to the pressure signal onto the first wheel, and having a separator valve, which is configured between the first input and the first wheel-brake cylinder, to prevent further transmission of the pressure signal upon receipt of a supplied closing signal; and having a control valve, which is configured between the first input and the first wheel-brake cylinder; in order to control an inflow of a brake medium from brake-medium reservoir to the first wheel-brake cylinder. In addition, a method for controlling a corresponding brake system is also described.

The vehicular brake system includes a hydraulic brake device and an electromechanical brake device. The electromechanical brake device includes: an electric motor; a braking force application mechanism to apply, to wheels, a braking force having a value based on an output from the electric motor; and a control device to control the electric motor. A brake operation input detector to detect an input of a brake operation is provided. The control device includes: determination section to determine whether a vehicle speed detected by vehicle speed detector is less than or equal to a predetermined vehicle speed; and operation limiter to limit or halt an output from the electric motor even when the brake operation input detector detects an input of a brake operation in a case where the determination section determines that the vehicle speed is less than or equal to the predetermined vehicle speed.

A brake control device is configured such that a hydraulic braking device is provided for one of a front wheel and a rear wheel, and an electric braking device is provided for the other one of them. The electric braking device is provided with a mechanism configured to prohibit retreat of a piston for pressing friction members against a rotor that rotates with the wheel. The brake control device is configured to maintain, by an operation of the mechanism, a braking force that does not depend on a force of an electric motor as a drive force and to control a braking force generated by the hydraulic braking device based on a difference between the braking force thus maintained and a braking force requested for the electric braking device.

A brake control device is configured such that a hydraulic braking device is provided for one of a front wheel and a rear wheel, and an electric braking device is provided for the other one of them. The electric braking device is provided with a mechanism configured to prohibit retreat of a piston for pressing friction members against a rotor that rotates with the wheel. The brake control device is configured to maintain, by an operation of the mechanism, a braking force that does not depend on a force of an electric motor as a drive force and to control a braking force generated by the hydraulic braking device based on a difference between the braking force thus maintained and a braking force requested for the electric braking device.

A method for operating a hydraulic brake system of a motor vehicle includes enabling a parking brake function by actuating a pressure generator and an actuator such that the pressure generator and the actuator together generate a total clamping force at a wheel brake, and actuating the pressure generator based on a movement of an actuator element and/or a brake piston, the movement generated by the actuator. The brake system includes the wheel brake having the brake piston, a brake pedal device, the pressure generator configured to actuate the wheel brake, the actuator assigned to the wheel brake and having the actuator element configured to actuate the wheel brake. A force that displaces the brake piston in order to actuate the wheel brake is generated by the pressure generator and/or the actuator.

A method for operating a hydraulic brake system of a motor vehicle includes enabling a parking brake function by actuating a pressure generator and an actuator such that the pressure generator and the actuator together generate a total clamping force at a wheel brake, and actuating the pressure generator based on a movement of an actuator element and/or a brake piston, the movement generated by the actuator. The brake system includes the wheel brake having the brake piston, a brake pedal device, the pressure generator configured to actuate the wheel brake, the actuator assigned to the wheel brake and having the actuator element configured to actuate the wheel brake. A force that displaces the brake piston in order to actuate the wheel brake is generated by the pressure generator and/or the actuator.

A method for operating a hydraulic braking system of a motor vehicle includes generating a force for displacing a brake piston of a wheel brake of the brake system via a pressure generator and an electromechanical actuator to actuate the wheel brake. The pressure generator and the actuator are controlled to collectively generate a total clamping force at the wheel brake in order to enable a parking brake function. During the enabling procedure, an operating current of the actuator is monitored to determine a functional capability of the braking system, and the pressure generator is controlled such that the hydraulic pressure is modulated for a predeterminable period of time to unload or to load the actuator. The operating current of the actuator during this time period in order to determine the functional capability of the braking system.

A saddled vehicle can comprise a handlebar on tip ends of which are provided a grasping grip to be grasped by a driver and a throttle grip for an accelerator operation, a first brake device and a second brake device for performing a braking operations. The vehicle can also include a gradient detector for detecting a road gradient during travel of the vehicle, and a deceleration adjustment device for automatically adjusting the deceleration of the vehicle in accordance with the road gradient detected by the gradient detection device and operation conditions of the first brake device and the second brake device.

The present disclosure provides a method of controlling braking of an electric vehicle in which friction braking force generated by a friction braking unit is applied to front wheels and regenerative braking force generated by a motor is applied to rear wheels includes: determining driver's request braking force by a controller based on a driver's braking-input value; detecting driving information and state information of the vehicle by a detection unit; and determining a braking mode of the vehicle that satisfies the driver's request braking force by the controller based on the detected information and information of running state of the vehicle obtained from the detected information. In addition, the present disclosure provides a system of controlling braking of an electric vehicle.

To provide braking-force control capable of suppressing a wheelie of a two-wheeled vehicle by changing braking-force distribution. In a method for controlling a braking force of a combined brake system for the two-wheeled vehicle, a lean angle of a two-wheeled vehicle 1 is detected or computed, and, in the case where the lean angle exceeds a specified value, braking-force distribution to front and rear brake devices 11f, 11r is changed.