A method for initializing an electronically slip-controllable power braking system after a startup and an electronically slip-controllable power braking system. Power braking systems are equipped with a pressure generator for conveying pressure medium in a pressure medium circuit. The pressure generator includes a plunger unit made up of a plunger cylinder, a plunger piston, and a plunger work chamber enclosed by plunger cylinder and plunger piston. A characteristic, using which an actuation of the plunger piston is carried out by the motor during the initialization of the power braking system, is selected by the electronic control unit as a function of a piece of information present about the position of plunger piston at the start of the initialization and implemented by corresponding electronic activation of the motor.

A method for initializing an electronically slip-controllable power braking system after a startup and an electronically slip-controllable power braking system. Power braking systems are equipped with a pressure generator for conveying pressure medium in a pressure medium circuit. The pressure generator includes a plunger unit made up of a plunger cylinder, a plunger piston, and a plunger work chamber enclosed by plunger cylinder and plunger piston. A characteristic, using which an actuation of the plunger piston is carried out by the motor during the initialization of the power braking system, is selected by the electronic control unit as a function of a piece of information present about the position of plunger piston at the start of the initialization and implemented by corresponding electronic activation of the motor.

In some implementations, the system may include a plurality of wheel speed sensors, each of the plurality of wheel speed sensors being configured to monitor the speed of a respective wheel of a vehicle. In addition, the system may include a central electronic control unit. The system may include a plurality of controlling devices, each of the plurality of controlling devices being communicatively coupled to at least one wheel speed sensor of the plurality of wheel speed sensors. Moreover, the system may include a central electronic control unit communicatively coupled to each of the plurality of controlling devices via a network connection and configured to process data received from each of the controlling devices.

In some implementations, the system may include a plurality of wheel speed sensors, each of the plurality of wheel speed sensors being configured to monitor the speed of a respective wheel of a vehicle. In addition, the system may include a central electronic control unit. The system may include a plurality of controlling devices, each of the plurality of controlling devices being communicatively coupled to at least one wheel speed sensor of the plurality of wheel speed sensors. Moreover, the system may include a central electronic control unit communicatively coupled to each of the plurality of controlling devices via a network connection and configured to process data received from each of the controlling devices.

A brake system for a vehicle is disclosed and includes an energy storage device configured to store and discharge energy, a plurality of wheels having an observer wheel, one or more processors operatively coupled to the energy storage device, and a memory coupled to the one or more processors. The memory stores data comprising a database and program code that, when executed by the one or more processors, causes the brake system to determine the brake system is operating in a backup mode of operation. In response to determining the brake system is operating in the backup mode of operation, the brake system is caused to apply a first brake pressure command to the observer wheel. In response to determining the observer wheel is starting the skid condition, the brake system is caused to determine a second brake pressure command based on a target slip value.

A brake system for a vehicle is disclosed and includes an energy storage device configured to store and discharge energy, a plurality of wheels having an observer wheel, one or more processors operatively coupled to the energy storage device, and a memory coupled to the one or more processors. The memory stores data comprising a database and program code that, when executed by the one or more processors, causes the brake system to determine the brake system is operating in a backup mode of operation. In response to determining the brake system is operating in the backup mode of operation, the brake system is caused to apply a first brake pressure command to the observer wheel. In response to determining the observer wheel is starting the skid condition, the brake system is caused to determine a second brake pressure command based on a target slip value.

A regenerative braking system and method include: a regenerative braking determination unit configured to determine whether or not a vehicle satisfies an entry condition for regenerative braking based on information collected by the vehicle; a calculation unit configured to calculate a hydraulic braking torque according to a pressure of a master cylinder and a target amount of a regenerative braking torque varied according to the pressure of the master cylinder, if the vehicle satisfies the entry condition; and a controller configured to perform braking of the vehicle based on the target amount of the regenerative braking torque and the hydraulic braking torque.

A regenerative braking system and method include: a regenerative braking determination unit configured to determine whether or not a vehicle satisfies an entry condition for regenerative braking based on information collected by the vehicle; a calculation unit configured to calculate a hydraulic braking torque according to a pressure of a master cylinder and a target amount of a regenerative braking torque varied according to the pressure of the master cylinder, if the vehicle satisfies the entry condition; and a controller configured to perform braking of the vehicle based on the target amount of the regenerative braking torque and the hydraulic braking torque.

A control system for wheel-slip prevention in a railway vehicle with a pneumatic brake is provided. The control system comprises an input interface configured to accept a deceleration reference for controlling the pneumatic brake, and a memory configured to store a reference governor providing executable instructions for modifying the deceleration reference upon its violation of a wheel-slip constraint, and configured to store a controller providing executable instructions for mapping the modified deceleration reference to a sequence of control commands for controlling pressure applied by the pneumatic brake. The control system further comprises a processor configured to execute the reference governor to modify the deceleration reference and configured to execute the controller to map the modified deceleration reference to the sequence of control commands. Further, an output interface of the control system is configured to output the sequence of control commands to control the pneumatic brake.

A control system for wheel-slip prevention in a railway vehicle with a pneumatic brake is provided. The control system comprises an input interface configured to accept a deceleration reference for controlling the pneumatic brake, and a memory configured to store a reference governor providing executable instructions for modifying the deceleration reference upon its violation of a wheel-slip constraint, and configured to store a controller providing executable instructions for mapping the modified deceleration reference to a sequence of control commands for controlling pressure applied by the pneumatic brake. The control system further comprises a processor configured to execute the reference governor to modify the deceleration reference and configured to execute the controller to map the modified deceleration reference to the sequence of control commands. Further, an output interface of the control system is configured to output the sequence of control commands to control the pneumatic brake.