A control system for reducing rattle noise of a brake caliper may include a wheel speed sensor configured to detect a wheel speed of each wheel to which a caliper device is mounted, a controller configured to determine a vibration level value according to a road surface state by processing and analyzing a wheel speed signal received from the wheel speed sensor, and, when the road surface state of the road is determined as one in which unevenness exists, output a control signal for applying oil pressure for preventing rattle noise to a wheel cylinder of a brake device, a braking driver configured to generate and supply the oil pressure for preventing rattle noise according to the control signal output from the controller, and the wheel cylinder of the brake device, to which the oil pressure for preventing rattle noise, which is supplied by the braking driver, is applied.

A communication method between a brake booster of a vehicle and an ESP control unit of the vehicle. In the method, a signal is coupled into a brake fluid, transported between the brake booster and the brake control unit over a brake line filled with the brake fluid, and extracted again from the brake fluid.

A method for operating a brake system of a motor vehicle, comprises a hydraulic operational brake device that has hydraulically-actuatable wheel brakes on at least one front axle of the motor vehicle, a parking brake device having wheel brakes on a rear axle of the motor vehicle, each of which can be actuated by means of an electromechanical actuator, and wheel speed sensors on the wheels of said front and rear axles. During braking by means of said hydraulic operational brake device while the vehicle is travelling, braking is carried out by said parking brake device.

A local control unit for a brake system is described. The control unit serves to actuate an electromechanical brake of the brake system of a wheel and according to one exemplary embodiment has a first connection for a main power supply and a second connection for a generator which is coupled to the wheel and which provides a standby power supply for the control unit.

A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.

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.

A brake system for a transportation vehicle having a brake device for braking a wheel of the transportation vehicle, an actuator device for targetedly actuating the brake device, a control device for controlling the actuator device, and an emergency brake device for braking the wheel in response to a malfunction of the transportation vehicle. The emergency brake device has an energy store for storing energy for actuating the brake device and a triggering device for releasing the stored energy in the energy store to actuate the brake device, the triggering device releases the energy store in response to a failure of an on-board electrical system of the transportation vehicle. Also disclosed is a method for operating a brake system and to a transportation vehicle having such a brake system.

A method for detecting an erroneous velocity data using a controller in communication with a velocity sensor onboard a vehicle includes receiving a time-series velocity data from the velocity sensor, calculating a time-series acceleration data using the time-series velocity data, calculating a time-series jerk data using the time-series acceleration data, calculating a saturated (numerically bounded) jerk data using the time-series jerk data, calculating an estimated acceleration data using the saturated jerk data, calculating a difference between the estimated acceleration data and the time-series acceleration data, and determining whether the difference is greater than a threshold value. The erroneous velocity data is detected in response to the difference being greater than the threshold value.

A brake system for hydraulically actuating a pair of front wheel brakes and a pair of rear wheel brakes includes a reservoir and a master cylinder fluidly connected to the reservoir and operable to provide a brake signal. A first power transmission unit is in fluid communication with the reservoir, a selected one of the rear wheel brakes, and a first fluid separator corresponding to a selected one of the front wheel brakes. A first electronic control unit is configured to control the first power transmission unit. A second power transmission unit is in fluid communication with the reservoir, the other one of the front wheel brakes, and a second fluid separator corresponding to an other one of the front wheel brakes. A second electronic control unit is configured to control the second power transmission unit.

A braking control system and method for an autonomous vehicle, may transmit information on surrounding vehicles monitored by autonomous traveling-related sensors of each vehicle while the autonomous vehicles are traveling to the cloud, and transmit a braking induction signal to a specific vehicle when the cloud determines that a distance with a leading vehicle of the specific vehicle has reached a reference distance or less at which braking is required so that the specific vehicle may be braked, checking occurrence of an error or a failure of autonomous traveling-related sensors of a specific vehicle, and easily preventing the safety accidents such as collision with the leading vehicle.