Haldex Brake Products Ab

Haldex Brake Products Aktiebolag

Haldex Aktiebolag

Haldex Brake Products Corporation

Anders Lindqvist

Peter Nilsson

Anders Nilsson

Lars Severinsson

Gang Wu

Robert David Prescott

Paul Bale

Xianbin Dong

Zenglai Song

Zi Wang

The present invention relates to a brake system for a vehicle and a method for braking. The brake system includes a control module and an electromechanical brake that provides braking force to a wheel. The control module receives rotation speed information of at least one drive motor, which provides a driving torque to the vehicle, and wheel speed sensor information of at least one wheel, and compares the refresh rate of the rotation speed information of the drive motor and that of the wheel speed sensor information of the wheel, such that a wheel rotational speed generated from the information of a higher refresh rate will be used. The brake system provided by the present invention can obtain a more accurate wheel speed, thereby improving the control of the vehicle.

Brake system for a vehicle and method for braking

The invention provides a vehicle's brake system and a method for braking a vehicle. The brake system comprises at least two control modules and a plurality of electromechanical brake devices. Each electromechanical brake device comprises a wheel end controller, a motor actuator and a friction brake driven by the motor actuator. Each control module receives a brake demand from a brake demand generating device and sends a control signal to each wheel end controller according to the brake demand. Each wheel end controller only responds to the control signals when the control signals received from the two control modules are consistent.

Vehicle's brake system and a method for braking a vehicle

A control unit for electromechanical brake system is provided, which relates to vehicle brake technology. The present invention facilitates the assembling of braking energy storage module and brake system control module and improves the heat dissipation, structural strength, anti-vibration and compactness of the control unit. The control unit comprises: a housing; and a frame plate, a braking energy storage module and a brake system control module, which are configured in the housing, wherein the braking energy storage module and the brake system control module are respectively arranged at two opposite sides of the frame plate.

Control unit for electromechanical brake systems

The invention relates to an electric brake system () for a vehicle. The electric brake system () comprises electric brake devices (). The electric brake devices () are powered and controlled by redundant capacitor-based power sources (A,B) and redundant control circuits (A,B). The capacitor-based power source (A,B) can be integrated into axle modules (A,B) located close to a vehicle axle (A,B). The capacitor-based power sources (A,B) are recharged by a hub generator, a regeneration power source ().

Electric brake system for a vehicle

An electrically actuated brake assembly includes a brake disc, a brake pad, and an electric motor having a rotatable output shaft. A service brake transmission in operative rotational communication with the output shaft causes service braking of the vehicle in response to rotation of the output shaft, and an adjuster mechanism is operable to adjust a distance between the brake pad and the brake disc. An adjuster transmission operatively connected between the output shaft and the adjuster mechanism causes operative rotational communication between the output shaft and the adjuster mechanism when the adjuster transmission is engaged so as to transmit rotational movement of the output shaft to the adjuster mechanism, and causes there to be no operative rotational communication between the output shaft and the adjuster mechanism when the adjuster transmission is disengaged so as to not transmit rotational movement of the output shaft to the adjuster mechanism.

Park lock and pad wear adjusting arrangement for electrically actuated brake

An electronically controlled braking system includes at least one central control unit, the at least one central control unit operable to assign identifiers during an identifier assignment routine, a first distributed electronic control unit, a second distributed electronic control unit and a control network over which the at least one control unit, the first distributed electronic control unit and the second distributed electronic control unit are communicable. The identifiers include a first identifier and a second identifier, one of which is assigned to the first distributed electronic control unit and the other which is assigned to the second distributed electronic control unit at least in part based upon the timing of identification signals generated by the first distributed electronic control unit and the second distributed electronic control unit reaching the central control unit via the control network.

Brake system with distributed electronic control units

An electrically controlled braking system includes a first control unit and a second control unit in electrical communication via a communication link and a human machine-interface manipulatable by a vehicle operator. The human-machine interface includes a first sensor and a second sensor, the first sensor providing an input signal to the first control unit, and the second sensor providing an input signal to the second control unit. The first control unit and the second control unit compare the input signal received from the first sensor with the input signal received from the second sensor, and generate control signals at least in part based upon the input signal received from the first sensor, the input signal received from the second sensor, and the comparison of the input signal received from the first sensor with the input signal received from the second sensor.

Control and power supply network for vehicle braking system

An electrically controlled braking system includes a control unit and first and second brake components responsive to control signals indicative of demand for braking generated by the control unit. A first control network electrically connects the control unit and the first brake component, and is adapted to transmit the control signals from the control unit to the first brake component. A second control network electrically connects the control unit and the second brake component, and is adapted to transmit the control signals from the control unit to the second brake component. An auxiliary control link electrically connects the first control network and the second control network, the auxiliary control link being adapted to transmit the control signals between the first control network and the second control network when a failure occurs in one of the first control network or the second control network.

Control network for brake system

An electrical control network is laid over one or more vehicle dynamics control and/or ride control systems of a heavy vehicle, which control network controls actuation of components thereof. The invention offers many advantages including reduction of components, simplified design, unified communication for numerous different types of system components, simplified resolution of conflicts between competing control strategies, expandability to additional vehicle systems, and flexibility to upgrade for new, improved vehicle control schemes.

Control network for vehicle dynamics and ride control systems having distributed electronic control units

An electrically controlled braking system includes at least one control unit and first and second brake component responsive to control signals generated by the control unit. A first control network electrically connects the control unit and the first brake component, and a second control network electrically connects the control unit and the second brake component. An auxiliary control link is activatable to electrically connect the first brake component and the second brake component when a failure occurs in one of the first control network or the second control network, the auxiliary control link adapted to transmit the control signals between the first brake component and the second brake component when the failure occurs.

A brake system for a heavy vehicle includes a control network, a brake component, a central control unit, and a distributed electronic control unit. The central control unit generates central control signals adapted to control the brake component, which control signals are transmitted to the brake component over the control network. The distributed electronic control unit receives the central control signals, controls the brake component in accordance with the central control signals if the central control signals are received during expected time periods, and controls the brake component in accordance with an alternative control scheme if the central control signals are not received during the expected time periods.

Brake system with distributed electronic control units incorporating failsafe mode

An electronically controlled braking system includes at least one central control unit operable to assign identifiers during an identifier assignment routine, a first distributed electronic control unit, a second distributed electronic control unit and a control network electrically connecting the at least one control unit, the first distributed electronic control unit and the second distributed electronic control unit. The identifiers include a first identifier and a second identifier, with one of the first identifier or the second identifier being assigned to the first distributed electronic control unit and the other of the first identifier or the second identifier being assigned to the second distributed electronic control unit at least in part based upon the timing of a signal reaching, via the control network, the first distributed electronic control unit and the second distributed electronic control unit.

Growing community of inventors

Landskrona, Sweden

Anders Lindqvist