A Vehicle Corner Module (VCM) based brake system, which includes a brake actuator, adapted to regulate the rotation rate of the wheel assembled to the VCM, a fluid-based brake power source, fluidly connected to the brake actuator and adapted to provide pressurized brake fluid for operating the brake actuator, and a brake-control-circuit, functionally associated with the brake actuator and with the brake power source, and adapted to provide functional inputs to the brake actuator based on a target rotation rate profile desired for a wheel mounted on the VCM. All mechanical components of the VCM-based brake system are disposed within the VCM. The VCM-based brake system and the vehicle platform are not in fluid communication with each other.

A braking system including a brake actuator, a control valve, a control assembly, and at least one pressure sensor. The control valve is disposed to direct hydraulic fluid to the brake actuator at a rate corresponding to a magnitude of a control signal. The control assembly includes a mixed-mode control system. The at least one pressure sensor is configured to measure a pressure of the hydraulic fluid to the brake actuator. The control assembly is configured to determine a position of the brake actuator. The mixed-mode control system is configured to determine a position command and a pressure command. The mixed-mode control system is configured to adjust the magnitude of the control signal based on at least one of the position command and the pressure command so as to reposition the brake actuator from a first position to a second position.

A braking system including a brake actuator, a control valve, a control assembly, and at least one pressure sensor. The control valve is disposed to direct hydraulic fluid to the brake actuator at a rate corresponding to a magnitude of a control signal. The control assembly includes a mixed-mode control system. The at least one pressure sensor is configured to measure a pressure of the hydraulic fluid to the brake actuator. The control assembly is configured to determine a position of the brake actuator. The mixed-mode control system is configured to determine a position command and a pressure command. The mixed-mode control system is configured to adjust the magnitude of the control signal based on at least one of the position command and the pressure command so as to reposition the brake actuator from a first position to a second position.

A vehicle brake system includes a first main cylinder with a first main cylinder connection and a first actuating device with a first actuating connection. The first main cylinder connection is in flow-connection to the first actuating connection, and the first actuating device is operable with the first main cylinder. A first brake circuit is provided between a pump and a first wheel cylinder, where the pump in the first brake circuit is operable to generate pressure and move a fluid within the first brake circuit. A first valve device is provided in the first brake circuit where the first valve device is movable between a first configuration in which a flow connection is produced between the pump and the first wheel cylinder, and a second configuration in which a flow connection between the pump and the first wheel cylinder is prevented.

The present disclosure relates to a piston pump assembly comprising a piston with a variable stroke and to a hydraulic braking system comprising the same. The piston pump assembly comprises at least: a rotatable drive shaft defining an axis of rotation of the rotatable drive shaft; a cam disposed on the drive shaft; and the piston biased toward the cam and configured to reciprocate along a piston axis for displacing a hydraulic fluid. The cam is movable relative to the piston axis and is selectively placed in one of a first position at a first distance from the piston axis and a second position at a second distance from the piston axis; and wherein the cam comprises at least two portions each of which has, at a given position of the cam relative to the piston axis, a different non-circular cross section in a plane perpendicular to the axis of rotation and/or a different eccentricity with respect to the axis of rotation, the at least two portions of the cam comprising at least a first cam portion having a first non-circular cross section and/or a first eccentricity, and a second cam portion having a second non-circular cross section and/or a second eccentricity.

A vehicle brake system including a hydraulic brake device having two systems and configured to generate a braking force, wherein, in a failure condition of one of the two systems, one of the following two operation modes of the hydraulic brake device is selectively established: (a) a two-wheel mode in which master shut-off valves shut respective master fluid passages and a braking force that depends on a pressure of a working fluid supplied from a master cylinder is generated for each of right and left wheels; and (b) a one-wheel mode in which one of the master shut-off valves corresponding to the other of the two systems shuts off the corresponding master fluid passage and a braking force that depends on the working fluid supplied by a controlled-pressure supply device is generated for only one of the right and left wheels that corresponds to the other of the two systems.

A method is provided for operating a motor vehicle brake system that includes an actuatable brake master cylinder, a hydraulic brake booster, and at least one brake circuit that has at least one hydraulically actuatable wheel brake and at least one hydraulic-pressure generator driven by electric motor. The method includes monitoring a state of actuation of the brake master cylinder is monitored, and, upon detecting a maximum state of actuation, activating the hydraulic-pressure generator to increase the hydraulic pressure adjusted by the brake master cylinder in the brake circuit.

A braking system including a brake actuator, a control valve, a control assembly, and at least one pressure sensor. The control valve is disposed to direct hydraulic fluid to the brake actuator at a rate corresponding to a magnitude of a control signal. The control assembly includes a mixed-mode control system. The at least one pressure sensor is configured to measure a pressure of the hydraulic fluid to the brake actuator. The control assembly is configured to determine a position of the brake actuator. The mixed-mode control system is configured to determine a position command and a pressure command. The mixed-mode control system is configured to adjust the magnitude of the control signal based on at least one of the position command and the pressure command so as to reposition the brake actuator from a first position to a second position.

A method for determining a position of a hydraulic pump includes determining the position and/or change of position of the hydraulic pump based on a current and/or voltage measurement signal as well as a frequency of the measurement signal. The method also includes utilizing the determined position and/or changing of position of the hydraulic pump for actuating the electrical machine.

A method for controlling a brake system. The brake system includes an actuating device, a master brake cylinder, a brake circuit, a wheel brake, and a brake pressure generator. The brake pressure generator and the master brake cylinder are capable of being contacted, parallel to one another, to the brake circuit. A pressure generator control valve controls a first pressure medium connection between the brake pressure generator and the brake circuit. A brake circuit control valve controls a second pressure medium connection between the brake circuit and the master brake cylinder. The brake system is operated in an operating state during which the pressure generator control valve assumes an open position without a brake pressure prevailing in the brake circuit and without a buildup of brake pressure being carried out. During this operating state, the brake circuit control valve is controlled to assume an open position.