B60T2240/00

INVERSE TYRE MODEL FOR ADVANCED VEHICLE MOTION MANAGEMENT

A control unit (130, 140) for controlling a heavy duty vehicle (100), wherein the control unit is arranged to obtain input data indicative of a desired wheel force (Fx, Fy) to be generated by at least one wheel (210) of the vehicle (100), and to translate the input data into a respective equivalent wheel speed or wheel slip to be maintained by the wheel (210) to generate the desired wheel force (Fx, Fy) based on an inverse tyre model (f.sup.−1) for the wheel (210), wherein the control unit (130, 140) is arranged to obtain the inverse tyre model in dependence of a current operating condition of the wheel (210), and wherein the control unit (130, 140) is arranged to control the heavy duty vehicle (100) based on the equivalent wheel speed or wheel slip.

ELECTRONICALLY CONTROLLABLE BRAKING SYSTEM HAVING TWO LEVELS OF REDUNDANCY
20220089137 · 2022-03-24 ·

An electronically controllable braking system for a commercial vehicle is provided, including a service brake system having a front axle brake circuit with a front axle modulator, a rear axle brake circuit, and a central control module. The central control module is configured to implement a braking specification via the front axle brake circuit and the rear axle brake circuit. A parking brake module that is configured, in the event of a defect in the central control module, to process the braking requirement and to output a rear axle redundancy brake pressure to spring-brake parts for the redundant implementation of the braking specification. It is further provided that the front axle modulator is configured to process the braking specification and to output a front axle redundancy brake pressure to the front axle brakes for the further redundant implementation of the braking specification.

Antilock Braking System for a Towed Vehicle
20220080934 · 2022-03-17 · ·

There is disclosed a control system for controlling braking of wheels in a towed vehicle comprising: an electric drum brake associated with at least one wheel of the towed vehicle for applying a braking force to the towed vehicle, the electric drum brake having at least one electro magnet for controlling application of the braking force; and a computer controller electrically coupled to each electric drum brake; wherein, the at least one electro-magnet generates an electric field through which a geometric or magnetic variation present in the electric drum brake passes through upon rotation of the wheel, the computer controller being configured to detect a response signal generated by the passing of the geometric or magnetic variation through the electric field, the response signal being indicative of the state of motion of the wheel.

Electromechanical brake system
11292442 · 2022-04-05 · ·

A brake system includes an electromechanical brake having a friction surface, a lining support having a brake lining, an electric motor for moving the lining support, and a control and monitoring unit. The control and monitoring unit ascertains, from a first value ascertained during a first movement of the lining support by the electric motor, an operating parameter of at least one part of the brake, and a second value ascertained during a second movement opposite to the first movement of the lining support, by the electric motor, an operating behavior value for a real operating behavior of the relevant brake, and ascertains, by comparing the at least one real operating behavior value to at least one stored operating behavior expectation, a correction factor. The brake control system is corrected by the one correction factor and a regulator of the electric motor is activated using the corrected brake control signal.

BRAKE SYSTEM
20220073039 · 2022-03-10 · ·

The invention relates to a brake system comprising at least one brake with a frictional surface, a pad carrier with a brake pad, and a control and monitoring unit. According to the invention, the brake system additionally comprises a brake temperature sensor which is connected to the control and monitoring unit that is designed to ascertain brake temperature maintenance values on the basis of the brake effectiveness request, to compare a temperature ascertained by the brake temperature sensor with corresponding brake temperature maintenance values, and to ascertain at least one correction factor on the basis of a deviation. The control and monitoring unit is additionally designed to correct the brake control signal by the at least one correction factor and to actuate the controller using the corrected brake control signal.

BRAKE APPARATUS FOR VEHICLE
20230391303 · 2023-12-07 · ·

A brake system for a vehicle is provided, the brake system including: a main control unit configured to control main braking in response to a pedal signal, control parking braking in response to an EPB signal, and control a plurality of hydraulic brake units disposed at a front wheel unit of the vehicle; a first rear wheel unit configured to receive the pedal signal using a first control unit and control a first rear wheel; a second rear wheel unit configured to receive the EPB signal using a second control unit and control a second rear wheel; and a communication network configured to transmit and receive a braking signal between the main control unit, the first rear wheel unit and the second rear wheel unit.

CLOSED-LOOP CONTROL OF REGENERATIVE BRAKING
20220009354 · 2022-01-13 ·

Systems, methods, and vehicles for closed-loop control of regenerative braking. The system includes, in one implementation, a regenerative braking subsystem and a vehicle controller. The vehicle controller is configured to command the regenerative braking subsystem to apply a first amount of regenerative braking torque. The vehicle controller is also configured to determine a current vehicle deceleration while the first amount of regenerative braking torque is applied. The vehicle controller is further configured to determine a difference between the current vehicle deceleration and a target vehicle deceleration. The vehicle controller is also configured to set a second amount of regenerative braking torque to reduce the difference between the current vehicle deceleration and the target vehicle deceleration. The vehicle controller is further configured to command the regenerative braking subsystem to apply the second amount of regenerative braking torque.

BRAKE ACTUATOR INTERFACE WITH TRAILER BRAKE CONTROL
20210323519 · 2021-10-21 ·

A method for controlling the braking of a towed vehicle by a towing vehicle. The method includes receiving, at or by a brake actuator ECU, deceleration data of the towing vehicle and sensing, using a sensor, a longitudinal deceleration of the towed vehicle. The method also includes generating, at or by the brake actuator ECU, a brake signal based on the deceleration data and the longitudinal deceleration, sending the brake signal from the brake actuator ECU to an electric motor of a brake actuator of the towed vehicle, and applying, by the brake actuator, a hydraulic pressure to brakes of the towed vehicle based on the brake signal.

Vehicle movement control device, vehicle movement control method, and vehicle movement control program

An object of the invention is to realize an M+ control which is suitable to a driving scene without depending on pedal operation information of a driver. A vehicle motion control device according to the invention sets an absolute value of deceleration generated in the vehicle in a period in which the lateral motion of the vehicle is predicted to be changed from a state where the vehicle takes the lateral motion to a state where the vehicle does not take the lateral motion to be smaller than that generated in a period in which the lateral motion of the vehicle is predicted to be changed from a state the vehicle takes one of right and left lateral motions to a state where the vehicle takes the other lateral motion.

METHOD FOR OPERATING A BRAKE SYSTEM, AND BRAKE SYSTEM

A method for operating a brake system of a vehicle. A precontrol value for a brake pressure of the brake system is set by using an admission pressure value representing a admission pressure in the brake system and a processing specification representing a braking dynamics of the vehicle.