B60T8/17

Brake system for detecting defects for a transportation vehicle, transportation vehicle with a brake system for detecting defects, and method for operating a brake system for detecting defects
11491969 · 2022-11-08 · ·

A brake system for a transportation vehicle, a transportation vehicle having a brake system, and a method for operating a brake system. The brake system has two control units, wherein the respective control unit actuates a respective brake circuit of the brake system, which includes two of four service brakes and one of two electric parking brakes of the brake system. In response to a defect in one of the brake circuits, the control unit of the other brake circuit actuates the respective brakes of the other brake circuit, to carry out trailer combination stabilization of a trailer combination having the transportation vehicle and a trailer coupled to the transportation vehicle; and/or to steer the transportation vehicle in the case of a defect in a steering system of the transportation vehicle based on a steering command of a control device for autonomous driving.

Distributed brake control systems and methods for high efficiency antiskid performance
11492103 · 2022-11-08 · ·

A brake assembly may comprise a brake stack including a plurality of rotors and a plurality of stators. A piston assembly may be configured to apply a force to the brake stack. A brake control valve may be mounted to the piston assembly and fluidly coupled to a fluid inlet of the piston assembly.

Electronic hydraulic brake device and control method thereof

An electronic hydraulic brake device may include: a brake unit including a main brake unit configured to provide braking hydraulic pressure to a plurality of wheel cylinders through an operation of a motor, and an auxiliary brake unit connected to the main brake unit so as to be filled with high braking hydraulic pressure, and configured to provide braking hydraulic pressure to the plurality of wheel cylinders when an operation error of the main brake unit occurs; a first control unit configured to control the operation of the brake unit, and configured to control the auxiliary brake unit to operate when an operation error of the main brake unit occurs; and a second control unit configured to assist a part of the control of the main brake unit controlled by the first control unit and the control of the auxiliary brake unit.

Electronic hydraulic brake device and control method thereof

An electronic hydraulic brake device may include: a brake unit including a main brake unit configured to provide braking hydraulic pressure to a plurality of wheel cylinders through an operation of a motor, and an auxiliary brake unit connected to the main brake unit so as to be filled with high braking hydraulic pressure, and configured to provide braking hydraulic pressure to the plurality of wheel cylinders when an operation error of the main brake unit occurs; a first control unit configured to control the operation of the brake unit, and configured to control the auxiliary brake unit to operate when an operation error of the main brake unit occurs; and a second control unit configured to assist a part of the control of the main brake unit controlled by the first control unit and the control of the auxiliary brake unit.

FLUIDIC CONTROL SYSTEM
20230097474 · 2023-03-30 ·

A fluidic control system (1) for controlling a vehicle, which includes a controller (2) and a closed fluidic circuit. The circuit includes a pump (3) for pressurizing fluid in the circuit, valve means (40, 50, 60), an actuator (4, 5, 6) and a precharge accumulator (7). The valve means (40, 50, 60) is fluidly connected to the inlet and outlet of the pump (3) and the actuator (4, 6) is fluidly connected to the valve means (40, 50, 60) for selectively receiving pressurized fluid therefrom. The precharge accumulator (7) includes a movable member (73, FIG. 2) that describes a variable volume (71) fluidly connected to the circuit between the valve means (40, 50, 60) and the inlet of the pump (3). The system (1) also includes a sensor (70) for determining the position of the movable member (73) for estimating the quantity of fluid and/or detecting an abnormal pressure variation within the circuit.

FLUIDIC CONTROL SYSTEM
20230097474 · 2023-03-30 ·

A fluidic control system (1) for controlling a vehicle, which includes a controller (2) and a closed fluidic circuit. The circuit includes a pump (3) for pressurizing fluid in the circuit, valve means (40, 50, 60), an actuator (4, 5, 6) and a precharge accumulator (7). The valve means (40, 50, 60) is fluidly connected to the inlet and outlet of the pump (3) and the actuator (4, 6) is fluidly connected to the valve means (40, 50, 60) for selectively receiving pressurized fluid therefrom. The precharge accumulator (7) includes a movable member (73, FIG. 2) that describes a variable volume (71) fluidly connected to the circuit between the valve means (40, 50, 60) and the inlet of the pump (3). The system (1) also includes a sensor (70) for determining the position of the movable member (73) for estimating the quantity of fluid and/or detecting an abnormal pressure variation within the circuit.

Control device and method for operating an electromechanical brake booster of a brake system of a vehicle

The disclosure relates to a control device and a corresponding method for operating an electromechanical brake booster of a brake system of a vehicle, comprising an electronics unit that defines a target variable with respect to a target rotational speed of a motor of the electromechanical brake booster, taking into account a brake input signal with respect to a braking request, and that sends at least one control signal to the motor. The electronics unit defines a maximum target variable with respect to a maximum target rotational speed of the motor, taking into account a current intensity of a motor current of the motor and a current angle of rotation of a rotor of the motor, and defines the target variable with respect to the target rotational speed of the motor of the electromechanical brake booster to be at the most equal to the defined maximum target variable.

Control device and method for operating an electromechanical brake booster of a brake system of a vehicle

The disclosure relates to a control device and a corresponding method for operating an electromechanical brake booster of a brake system of a vehicle, comprising an electronics unit that defines a target variable with respect to a target rotational speed of a motor of the electromechanical brake booster, taking into account a brake input signal with respect to a braking request, and that sends at least one control signal to the motor. The electronics unit defines a maximum target variable with respect to a maximum target rotational speed of the motor, taking into account a current intensity of a motor current of the motor and a current angle of rotation of a rotor of the motor, and defines the target variable with respect to the target rotational speed of the motor of the electromechanical brake booster to be at the most equal to the defined maximum target variable.

Brake redundancy concept for highly automated driving

An apparatus for generating non-electric control signals for a brake system, which has a first supply source, including: at least one interface configured to be connected to a pressure accumulator; and at least one interface to output the control signals; in which the apparatus is configured to be supplied via a second supply source. Also described are a related module and an electronic brake system.

Brake redundancy concept for highly automated driving

An apparatus for generating non-electric control signals for a brake system, which has a first supply source, including: at least one interface configured to be connected to a pressure accumulator; and at least one interface to output the control signals; in which the apparatus is configured to be supplied via a second supply source. Also described are a related module and an electronic brake system.