A vehicle motion management system (260) for a vehicle, the vehicle motion management system being connectable to a motion support system (230230) for communication of control signals therebetween, wherein the vehicle motion management system is configured to: —determine a desired torque for operating the vehicle at a current vehicle operating condition; —determine a wheel slip limit for at least one wheel of the vehicle; —determine, based at least on the wheel slip limit, a wheel speed limit for the at least one wheel of the vehicle; and—transmit a control signal indicative of the desired torque and the wheel speed limit to the motion support system (230).

A vehicle motion management system (260) for a vehicle, the vehicle motion management system being connectable to a motion support system (230230) for communication of control signals therebetween, wherein the vehicle motion management system is configured to: —determine a desired torque for operating the vehicle at a current vehicle operating condition; —determine a wheel slip limit for at least one wheel of the vehicle; —determine, based at least on the wheel slip limit, a wheel speed limit for the at least one wheel of the vehicle; and—transmit a control signal indicative of the desired torque and the wheel speed limit to the motion support system (230).

A brake system for actuating a pair of front wheel brakes and a pair of rear wheel brakes is selectively operable during a manual push-through mode. A primary power transmission unit actuates at least one of wheel brakes in a normal braking mode. A secondary power transmission unit actuates the front wheel brakes in a backup braking mode. A primary electronic control unit controls at least one of the primary power transmission unit and a pair of rear brake motors. A secondary electronic control unit controls at least one of the secondary power transmission unit and the rear brake motors. An ABS modulator arrangement is hydraulically interposed between at least one of first and second three-way valves and at least a selected wheel brake. A multiplex control valve arrangement is hydraulically interposed between the secondary power transmission unit and the front wheel brakes.

A brake system for actuating a pair of front wheel brakes and a pair of rear wheel brakes is selectively operable during a manual push-through mode. A primary power transmission unit actuates at least one of wheel brakes in a normal braking mode. A secondary power transmission unit actuates the front wheel brakes in a backup braking mode. A primary electronic control unit controls at least one of the primary power transmission unit and a pair of rear brake motors. A secondary electronic control unit controls at least one of the secondary power transmission unit and the rear brake motors. An ABS modulator arrangement is hydraulically interposed between at least one of first and second three-way valves and at least a selected wheel brake. A multiplex control valve arrangement is hydraulically interposed between the secondary power transmission unit and the front wheel brakes.

A traction control method and a traction control apparatus for a vehicle are provided. The traction control method includes: estimating driving torque for each wheel and a difference between left and right wheel rotation speeds; determining a situation, in which the difference between the left and right wheel rotation speeds exceeds a first set value, to be a split wheel spin situation; estimating a maximum coefficient of friction between a spinning wheel and a road surface in the split wheel spin situation and estimating a maximum driving torque, at which the road surface is acceptable, by the maximum coefficient of friction; and obtaining a difference between driving torque of the spinning wheel and the maximum driving torque to calculate a road surface limitation excess driving torque and determining entry into traction control when the road surface limitation excess driving torque exceeds a second set value.

A traction control method and a traction control apparatus for a vehicle are provided. The traction control method includes: estimating driving torque for each wheel and a difference between left and right wheel rotation speeds; determining a situation, in which the difference between the left and right wheel rotation speeds exceeds a first set value, to be a split wheel spin situation; estimating a maximum coefficient of friction between a spinning wheel and a road surface in the split wheel spin situation and estimating a maximum driving torque, at which the road surface is acceptable, by the maximum coefficient of friction; and obtaining a difference between driving torque of the spinning wheel and the maximum driving torque to calculate a road surface limitation excess driving torque and determining entry into traction control when the road surface limitation excess driving torque exceeds a second set value.

An electronic vehicle stability control system includes a hydraulic braking circuit having a plurality of electronically controlled valves, a plurality of pumps, a motor that operates the plurality of pumps, and a suction throttle valve that throttles flow of hydraulic fluid to at least one of the plurality of pumps. The electronic vehicle stability control system also includes a controller coupled to the hydraulic braking circuit that controls the plurality of electronically controlled valves.

An electronic vehicle stability control system includes a hydraulic braking circuit having a plurality of electronically controlled valves, a plurality of pumps, a motor that operates the plurality of pumps, and a suction throttle valve that throttles flow of hydraulic fluid to at least one of the plurality of pumps. The electronic vehicle stability control system also includes a controller coupled to the hydraulic braking circuit that controls the plurality of electronically controlled valves.

The disclosure relates to a method for actuating an electric drive of a trailer vehicle with a towing vehicle, including the steps: determining a current slip of at least one driven wheel of a towing vehicle pulling the trailer vehicle, determining an expected slip for the driven wheel of the towing vehicle, determining an acceleration demand depending on the determined current slip and the determined expected slip and actuating the electric drive depending on the acceleration demand. The disclosure also relates to a control unit for executing the method, a towing vehicle, a trailer vehicle and a vehicle combination.

A brake control device as an example of the present disclosure includes: an acquisition unit configured to acquire an output of a sensor that detects information indicating a ground contact state of a drive wheel of a vehicle; and a control unit configured to, when an acceleration operation for causing the vehicle to accelerate is performed on the vehicle stopped due to a parking brake force generated by an electric parking brake, identify the ground contact state of the drive wheel based on the output of the sensor acquired by the acquisition unit, and control the electric parking brake to release the parking brake force by a control method that differs depending on the identified ground contact state.