Abstract: A control device and method for executing a holding function using a hydraulic braking system of a vehicle including building up an initial holding pressure in at least one wheel brake cylinder using at least one brake pressure buildup device and closing at least one shutoff valve situated between the at least one wheel brake cylinder and the at least one brake pressure buildup device, a new holding pressure being built up in the wheel brake cylinder, in that an intermediate pressure less than the new holding pressure is built up between the shutoff valve and the brake pressure buildup device using the brake pressure buildup device, the shutoff valve is opened upon the presence of the intermediate pressure between the shutoff valve and the brake pressure buildup device, and brake fluid is transferred using the brake pressure buildup device through the open shutoff valve into the wheel brake cylinder.

Abstract: The disclosure relates to a brake system of a motor vehicle having at least one parking brake which can be activated, having a plurality of means for operating the parking brake and having at least one control device which has at least one of the means, characterized in that at least one further control device has at least another of the means.

Abstract: A method for determining defects of an automated parking brake for a motor vehicle with at least one brake device includes detecting damage to the parking brake on the basis of a time profile of a variable representing an output torque of a parking brake actuator. The parking brake includes the parking brake actuator configured to be activated. The detection of the damage includes analyzing the time profile of the variable representing the output torque of the parking brake actuator during a first phase of an activation process of the parking brake for the identification. The activation process of the parking brake has at least two phases. A first phase of the activation process includes a no build up or reduction of a clamping force between at least one brake lining and a brake disk. A second phase includes a build up or reduction of the clamping force.

Abstract: A method for operating a motor vehicle includes carrying out an automated driving process that includes using a first braking device to decelerate the motor vehicle in an automated manner. The method further includes recording at least one operating parameter of the motor vehicle during the automated driving process, and carrying out a check in order to determine whether the at least one operating parameter satisfies a predetermined test criterion. The method also includes decelerating the motor vehicle in an automated manner using a second braking device if the at least one operating parameter does not satisfy the test criterion.

Abstract: A method for decelerating a vehicle includes actuating an electric brake motor of an electromechanical braking mechanism in an event of a failure of a hydraulic vehicle brake to produce a braking force in an event of a failure of the hydraulic vehicle brake. The method further includes producing a decelerating torque in the drive train of the vehicle in the event of the failure of the hydraulic vehicle brake. The vehicle includes a brake system. The brake system has the hydraulic vehicle brake and the electromechanical braking mechanism with the electric brake motor.

Abstract: In the case of a method for braking a vehicle having a hydraulic vehicle brake and an electromechanical braking device, the brake motor of the electromechanical braking device is influenced with an increased supply voltage in the event of a failure of the hydraulic vehicle brake.

Abstract: The disclosure relates to a method for determining the actuation distance in an electromechanical brake device having an electric brake motor, wherein the distance of a spindle nut is first determined while taking into account an initial value for the motor constant and the motor total resistance and a correction of the spindle nut distance is then performed after an estimation has been performed.

Abstract: An automated parking brake for a motor vehicle having at least one brake device is configured to adopt at least two states. In a first state, no clamping force is established by the parking brake, and in a second state, a clamping force is established by the parking brake. A transition point defines a transition between the two states. An identification of the transition point is carried out during a releasing process of the parking brake.

Abstract: Method for operating an automated hand brake comprising at least one first actuator and one second actuator for a motor vehicle, wherein each of the actuators is activated for an operation using a defined amperage, is characterized in that, in a first phase, the actuators are operated essentially synchronously until a defined first amperage is reached and, in a subsequent phase, the actuators are sequentially operated until a defined second amperage is reached.

Abstract: A method for providing a brake force in a vehicle with a hydraulic vehicle brake and an electromechanical brake device includes determining a position of a brake piston at a brake contact point on the basis of a state variable of an electric brake motor when the electromechanical brake device is released. The method further includes displacing the brake piston in a positioning operation until reaching a braking start point.

Abstract: In the case of a method for performing a function check on an electromechanical brake device having at least one electric brake motor, the motor current is measured at the brake motor and compared with a calculated motor current, wherein an error signal is generated in the event of an inadmissibly high deviation.

Abstract: A method for operating an automated parking brake in a motor vehicle, having a hydraulic actuator for producing a hydraulic force component and an electromechanical actuator for producing an electromechanical force component, includes superimposing the hydraulic force component and the electromechanical force component to obtain a total clamping force for a parking brake operation, and maintaining the total clamping force by self-locking of the parking brake. The method further comprises during the parking brake operation, setting at least one defined hydraulic pressure level using the hydraulic actuator, and locking-in a defined hydraulic pressure level with a valve when the at least one defined hydraulic pressure level is reached.

Abstract: In a method for actuating a parking brake in a vehicle, a clamping force is generated by an electromechanical braking device comprising a brake motor. The motor voltage of the brake motor is determined on the basis of the control-unit input voltage of a closed-loop or open-loop control unit.

Abstract: A method of applying an automated parking brake of a motor vehicle includes at least two phases. In a first preceding phase, no clamping force is produced by the parking brake. In a second following phase, a clamping force is produced by the parking brake via a controllable parking brake actuator configured to produce the clamping force. The method further includes detecting a transition from the first phase to the second phase based on a temporal progression of a specific parameter of a control of the parking brake actuator. A control unit is configured to perform according to the method, and a parking brake is configured to perform according to the method.

Abstract: A braking method is used for a vehicle that has at least one front wheel and at least one rear wheel. A hydraulically actuatable brake is provided at the front wheel and the rear wheel, and an automatic parking brake is provided at the rear wheel. The braking method enables an optimal brake pressure to be built up as rapidly as possible. In a first step of an initiation phase of the braking method, the front wheel is braked by the hydraulically actuatable brakes and the rear wheel is braked exclusively by the automatic parking brake.

Abstract: A method for operating a wheel braking device having an electrically motorized actuator, wherein the actuator comprises an electric motor and an actuator element that can be moved by means of the electric motor. The actuator element is moved into a brake application position to actuate the wheel braking device and moved into a brake release position to release the wheel braking device. A movement travel of the actuator element is monitored while releasing the wheel braking device. The electric motor is switched from a control operation into a free-running operation during a release process and a free-running voltage is determined and that a minimum duration of movement of the actuator element for achieving the release position is calculated based upon the determined free-running voltage and is compared with a measured duration of movement of the actuator element to perform a plausibility check of the movement travel.

Abstract: In a method for controlling a parking brake in a vehicle, in order to set a clearance between the brake pad and the brake disk, a supply voltage is first applied to an electric motor, after which the supply voltage is switched off before the brake pad comes into contact with the brake disk.

Abstract: In the case of a method for braking a vehicle having a hydraulic vehicle brake and an electromechanical braking device, the brake motor of the electromechanical braking device is influenced with an increased supply voltage in the event of a failure of the hydraulic vehicle brake.

Abstract: In a method for determining a failure in a service or parking brake having an electromotive and a hydraulic brake device for generating a clamping force, an error is detected in the hydraulic brake device if an electromotive characteristic of the electric brake motor is outside an admissible value range.

Abstract: In a method for actuating a parking brake in a vehicle, a clamping force is generated by an electromechanical braking device comprising a brake motor. The motor voltage of the brake motor is determined on the basis of the control-unit input voltage of a closed-loop or open-loop control unit.