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 computer implemented method for controlling at least one driven and/or braked wheel of a heavy-duty vehicle includes configuring a default inverse tire model and a boost inverse tire model, where each inverse tire model represents a respective relationship between longitudinal wheel slip and longitudinal wheel force at the wheel, where the boost inverse tire model is associated with a higher maximum obtainable wheel slip value for the wheel compared to the default inverse tire model, obtaining a motion request indicative of a desired longitudinal force to be generated by the wheel, selecting the boost inverse tire model as active inverse tire model in response to detecting a boost signal and selecting the default inverse tire model as active inverse tire model otherwise, and controlling the at least one driven and/or braked wheel in dependence of the motion request and based on the active inverse tire model.

A method for dynamically adjusting a driving pedal characteristic of a vehicle, in particular, an OPD characteristic of a vehicle, is disclosed. The driving pedal characteristic defines a correlation between a driving pedal position and a deceleration demand. The method includes the following steps: step (S1): providing a first adjustment point (AP1) of the driving pedal characteristic; step (S2): providing a second adjustment point (AP2) of the driving pedal characteristic; step (S3): receiving a current driving pedal position as a driver input; step (S4): adjusting a calculation method for calculating a current deceleration demand; step (S5): calculating the current deceleration demand according to the adjusted calculation method; and step (S6): outputting the current deceleration demand to the vehicle.

A control method is for a braking system that includes an electronically controlled mechanical brake with a first motor and a second motor. The method includes detecting a pedal stroke and determining a total required braking torque based on a pedal stroke/total braking torque curve, distributing the total braking torque to the first motor and the second motor to determine a target torque for the first motor and a target torque for the second motor, and driving the first motor and the second motor to operate based on the target torques. The method further includes monitoring an operating current and a rotational speed of the first motor and the second motor, and using motor characteristic curves of the first motor and the second motor to calculate a first computed output torque and a second computed output torque.

A method for operating an electromechanical brake actuator (EMB) for a friction brake of a vehicle. A locking actuator of the EMB is controlled to lock the mechanics of the EMB when a drive of the EMB has moved the mechanics to a braking position and a standstill of the friction brake is detected.

An electric vehicle steering system including a vehicle controller, steering controller, braking controller, and a steering actuator. The vehicle controller, in cooperation with the steering and braking controllers, is responsible for collecting and processing various vehicle conditions to determine a braking application. The steering controller, linked to steering actuators, executes braking application instructions from the vehicle controller. The braking controller, connected to the vehicle's braking system, executes instructions to apply brakes as needed.

A vehicle braking system comprises a brake fluid control assembly, connecting oil pipes, and a brake master cylinder assembly. The brake fluid control assembly comprises an oil circuit block and a pressure build-up device mounted on the oil circuit block. A side surface of the oil circuit block is provided with oil circuit block ports, one end of each connecting oil pipe is connected to the oil circuit block ports, and the brake master cylinder assembly and the brake fluid control assembly are arranged separately. An outer peripheral surface of the brake master cylinder assembly is provided with assembly ports, and the other end of each connecting oil pipe is connected to the assembly ports. The brake master cylinder assembly communicates with the brake fluid control assembly, and both the brake master cylinder assembly and the pressure build-up device can drive a brake fluid to be outputted.

A rail vehicle brake system includes a brake controller with a first brake control unit providing braking functions and outputting a force manipulated variable, and a first actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable. The brake system further includes an extension function support and an actuator that includes a second brake control unit providing braking functions and outputting a force manipulated variable, a second actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable, a braking force unit providing functions for generating a frictional braking force based on the actuation variable, and first and second braking paths from functions that are active between a control input by the brake system and the generation of a braking force.

The invention relates to a slope brake pressure determining method and system. The method includes: a pre-braking slope estimated value is determined according to a specified cycle, where a current pre-braking slope estimated value is determined and is used as a first slope estimated value a.sub.estimate1, and a pre-braking slope estimated value of a previous cycle that is latched prior to the establishment of brake pressure is used as a second slope estimated value a.sub.estimate2; an instantaneous vehicle speed v.sub.brake prior to the establishment of the brake pressure is latched, a vehicle traveling distance l.sub.brake and time t.sub.brake are accumulated, and an in-braking slope estimated value a.sub.slop is determined based on the instantaneous vehicle speed v.sub.brake, the vehicle traveling distance l.sub.brake, and the time t.sub.brake; and pre-braking pressure p1 and in-braking pressure p2 are determined based on the second slope estimated value a.sub.estimate2 and a third slope estimated value a.sub.estimate3, respectively, initial brake pressure p3 is determined based on the pre-braking pressure p1 and the in-braking pressure p2, and final brake pressure p4 is determined based on the initial brake pressure p3. According to the invention, the brake pressure can be accurately determined.

A brake pedal module for a brake-by-wire braking system of a vehicle is disclosed, with a carrier component for attaching the brake pedal module to the vehicle, a brake pedal mounted pivotably on the carrier component, a feedback unit which, to generate a resistance on actuation of the brake pedal, is mechanically coupled at one end to the brake pedal and at the other end to the carrier module, and a sensor unit for detecting a braking request of a driver and having at least one sensor for detecting an actuation travel. The sensor unit is attached to the carrier component at the side of the brake pedal such that the sensor is arranged on a pivot bearing of the brake pedal.