Abstract: The disclosure relates to a yaw compensation system for restoring a safe driving state in particular of a wheeled vehicle, such as a wheeled motor vehicle, for example a car. The disclosure furthermore relates to a method for restoring a safe driving state of the abovementioned vehicle, and to a motor vehicle.

Abstract: A testing method includes the steps of: (1) providing a negative pressure generator; (2) generating a negative pressure in a fluid passageway and a chamber which are in fluid communication with a guiding section of a fluid reservoir wherein a second sensing element is affixed to a guiding section of the fluid reservoir; (3) transferring a fluid flow stream from the guiding section to the chamber via the fluid passageway and drawing a float having a first sensing element from an upper position to a lower position within the guiding section; (4) generating a signal via the first and second sensing elements as the float moves relative to the second sensing element within the guiding section; and (5) transmitting a signal to at least one of a control unit or a graphical user display.

Abstract: A brake system of a vehicle, with electromechanical service brakes on at least one axle designed without force sensors, having a control unit designed to control a braking operation for meeting a braking demand by activating the electromechanical service brakes of all the axles. An acquisition element on each of the electromechanical service brakes acquires a parameter from which a current brake touch point of the electromechanical service brake in question can be determined. For operating the brake system, the brakes on one of the axles of the vehicle are actuated during a braking operation. A current value of a brake touch point of the electromechanical service brakes on another axle that is currently not being used to provide the brake force of the ongoing braking operation is determined. An air gap of those electromechanical service brakes is set according to the current value of the brake touch point.

Abstract: In a method for operating a force-sensor-less electromechanical service brake of a vehicle, a current profile of a force-displacement characteristic is determined and stored during a closing of a parking brake when the vehicle is being parked. The current profile of the force-displacement characteristic is used during a subsequent trip to set a required braking force on the electromechanical service brake.

Abstract: A brake actuator assembly for a vehicle brake, in particular an electromechanical vehicle brake, is provided, having a brake piston for a brake pad, which brake piston is movable between a retracted position and an extended position, a brake calliper, in which a space for a brake rotor is formed and in which the brake piston is movable, and a spindle drive coupled with the brake piston for moving the brake piston. A rotatably mounted spindle of the spindle drive bears axially against a support plate which is fixed in the axial direction, such that the support plate is subjected to a bending moment when the brake piston is extended, wherein at least one stress sensor for measuring the bending moment is arranged on the support plate. A method for producing a brake actuator assembly is further provided.

Abstract: In a method for operating a force-sensor-less electromechanical service brake in a brake system of a vehicle, a current value of a braking contact point and a current profile of a force-displacement characteristic of the electromechanical service brake are determined as a function of the total rotation angle of a shaft of an electric motor of the electromechanical service brake. These values are determined in regular driving operation of the vehicle. In the case of a braking request, the electric motor is activated in accordance with the current value of the braking contact point and the current profile of the force-displacement characteristic in order to satisfy the braking request. The electric motor has a detection element, which detects the total rotation angle of the shaft and a rotation rate of the electric motor.

Abstract: The disclosure relates to a method for adapting a braking behaviour of a brake of a motor vehicle to a traffic situation, including: (i) adjusting a clearance of the brake to a value LK; (ii) determining the traffic situation; and (iii) adjusting the clearance to a value LA based on the determined traffic situation, wherein 0<LA<LK is satisfied.

Abstract: A hydraulic motor vehicle braking system includes a first functional unit, a second functional unit and a switching device. The first functional unit comprises at least one first valve arrangement designed to optionally connect or disconnect at least one first wheel brake associated with a first axle to or from an existing hydraulic pressure, and at least one second valve arrangement designed to optionally connect or disconnect at least one second wheel brake associated with a second axle to or from an existing hydraulic pressure. The second functional unit comprises at least one second electrical brake pressure generator, by means of which a brake pressure can be generated on at least the at least one second wheel brake, and a second control system which is designed to control the at least one second electrical brake pressure generator for a brake pressure regulation on at least the at least one second wheel brake in the event of a failure of the first functional unit.

Abstract: The disclosure relates to a method for determining the wear of a brake of a motor vehicle having a brake piston, an actuator, a first brake lining, a second brake lining, a friction partner and a mounting, where the brake piston is held on a spindle of the brake and can be moved axially along the spindle between the actuator and the friction partner.

Abstract: The invention relates to an electrohydraulic brake unit (10) for a motor vehicle, comprising a pressure source (36) designed as an actuator (30), at least one brake piston (70, 80), and a brake circuit (38), which connects the pressure source (36) and the at least one brake piston (70, 80) to one another, wherein the pressure source (36), the at least one brake piston (70, 80) and the brake circuit (38) are arranged in a wheel brake. The invention moreover relates to a vehicle having such an electrohydraulic brake unit (10) and a method for activating the electrohydraulic brake unit (10).

Abstract: A hydraulic motor vehicle braking system includes a first sensor device, a first functional unit, a second functional unit and a switching device. The first functional unit comprises at least one first electrical brake pressure generator, by means of which a brake pressure can be generated on respective wheel brakes, and a first control system which is designed to control the at least one first electrical brake pressure generator on the basis of a sensor signal of the sensor device. The second functional unit comprises at least one second electrical brake pressure generator, by means of which a brake pressure can be respectively generated on a subset of the wheel brakes, and a second control system which is designed to control the at least one second electrical brake pressure generator on the basis of the sensor signal in the event of a failure of the first functional unit.

Abstract: An electromechanical vehicle brake has an electric motor and an actuation piston, which acts on a braking assembly, as well as a ball screw drive. The ball screw drive comprises a spindle rotatable by the electric motor and a ball screw nut displaceable on the spindle. The ball screw nut is received in the actuation piston and cooperates with a stop on an inner axial end of the actuation piston to displace the actuation piston in an actuation direction. A spring element is arranged in the actuation piston between the stop and the ball screw nut. A travel sensor measures a linear displacement of the actuation piston. With the aid of the signal of the travel sensor, which indicates a displacement position of the actuation piston, a braking force currently applied by the actuation piston to the braking assembly is determined under consideration of the characteristic curve of the spring element.

Abstract: A device for detecting a driver demand, the device outputting a purely electronic actuating signal, includes an actuating surface, for a foot of a user, the actuating surface being displaceable in an actuation direction in order to generate the actuating signal. At least two compression bodies arranged one behind the other in the actuation direction are provided, each of which has one elastic element and one rigid element, which are arranged one behind the other in the actuation direction in such a way that one rigid element acts on one elastic element when the actuating surface is acted upon by an actuation force. In addition, a sensor system is provided, the signal of which permits an inference to be made regarding the displacement of the actuating surface and is usable for generating the actuating signal.

Abstract: The disclosure relates to a method for operating a braking system of a vehicle during autonomous parking processes, including a first electronic control unit, a service brake system, and a partial braking system. The first control unit is designed for activating the service brake system and the partial braking system, in which an autonomous parking process is initiated, followed by an activation of the service brake system by the first control unit to generate a braking force. In the event of a failure of the service brake system, the partial braking system is activated by the first control unit to generate a braking force while the autonomous parking process is continued by utilising the partial braking system. The disclosure also relates to a vehicle control system for controlling autonomous parking processes.

Abstract: A brake-by-wire brake system for a vehicle having at least two wheels which can be braked is specified. The brake system comprises at least two brake actuator units, which each have a brake actuator assigned to one of the wheels, which can be braked, for the purposes of braking the vehicle during driving operation. The brake system furthermore comprises a driver brake actuation unit for actuation by the driver for a braking operation, having at least one sensor for detecting an activation of the driver brake actuation unit by the driver, and at least one electronic control unit which is configured to activate one or both brake actuator units in order to impart a braking force to an associated wheel, wherein the driver brake actuation unit is coupled, for transmission of signals, to the at least one electronic control unit. The driver_brake actuation unit has an interface for a controller that is independent of the brake system.

Abstract: A brake-by-wire brake system for a vehicle having at least two wheels which can be braked is specified. The brake system comprises at least two brake actuator units, which each have a brake actuator assigned to one of the wheels, which can be braked, for braking the vehicle during driving operation. The brake system furthermore comprises a brake actuation unit for actuation by the driver for a braking operation, having at least one sensor for detecting an activation of the brake actuation unit by the driver, at least one electronic control unit which is configured to activate one or both brake actuator units in order to impart a braking force to an associated wheel, and at least one mechanically actuatable electrical switch that is configured to close and/or open an additional signal line to at least one of the brake actuator units in order to activate the brake actuator thereof.

Abstract: A brake-by-wire braking system for a vehicle having at least two wheels which are able to be braked is described. The braking system comprises at least two brake actuator units, each of which can be associated with one of the wheels of the vehicle which are able to be braked. The braking system further comprises a brake actuation unit for actuation by the driver for braking, having at least one sensor for detecting an activation of the brake actuation unit by the driver, an acceleration actuation unit having at least one sensor for detecting the activation of the acceleration actuation unit by the driver, and at least one electronic control unit which is adapted to operate one or both of the brake actuator units in order to bring about a braking force at an associated wheel. The control unit is adapted to operate the brake actuator units on the basis of an activation of the acceleration activation unit in the event of a fault or failure of the brake actuation unit.

Abstract: The disclosure relates to a method for compensating a yaw moment acting on a vehicle which is caused by asymmetrical braking forces on at least one vehicle axle. In the method, at least one vehicle-related condition is queried after initiation of a braking operation, a yaw variable present on the vehicle is detected, the value of the detected yaw variable is compared with a yaw variable limit value, a corrective steering angle is determined depending on the difference and/or the change in the difference between the value of the detected yaw variable and the yaw variable limit value, taking into account the sign of the yaw variable, and, lastly, a corrective steering angle is automatically set on at least one vehicle wheel of a steered vehicle axle. The disclosure also relates to an apparatus for compensating a yaw moment acting on a vehicle.

Abstract: A brake system for a vehicle is provided. The brake system is designed to selectively apply pressure to and release it from at least two pressure connectors for brake actuators, and each of the pressure connectors can be coupled to an associated brake actuator of a wheel of the vehicle. The brake system has a master brake module and an auxiliary brake module, wherein the master brake module and the auxiliary brake module each have at least one sensor for detecting a fluid pressure in the respective brake module, and with a control unit which is configured to monitor and compare a fluid pressure in the master brake module and in the auxiliary brake module by the measured values detected by the sensors, and, based on the pressure and/or pressure curve, to draw a conclusion about the functional capability of the auxiliary brake module. A method is furthermore provided for performing a functional test of the brake system.

Abstract: The disclosure relates to a method for controlling a vehicle braking system on the basis of vehicle-specific data, wherein the vehicle braking system comprises individually actuatable brakes. In the method, a braking operation is detected, a status condition is queried during a temporal observation window, and a yaw variable present and a physical characterizing variable present at the same time are detected. Subsequently, the detected yaw variable is stored and the yaw variable is assigned to a data set. This is repeated in order to create a database. Further, a corrective braking force is determined and the braking force of a brake is automatically adjusted depending on the corrective braking force to reduce the yaw variable. The disclosure also relates to an apparatus for compensating a yaw moment acting on a vehicle.