19results about "ESP control systems" patented technology

A driving dynamics system for a vehicle may include a primary control unit for detecting and / or generating steering commands and braking commands; a brake system having first and second electrohydraulic pressure supply units; four hydraulically actuatable wheel brakes of respective wheels; electrically actuatable brake pressure adjustment valves; and an electric steering actuator for actuating at least one axle. The driving dynamics system may implement a steering command during normal operation to actuate at least one of the pressure supply units and the steering actuator and / or, to implement a braking command during normal operation, to actuate at least the second pressure supply unit and at least the brake pressure adjustment valves for a wheel-specific pressure adjustment and, in a fault case, to actuate at least the first pressure supply unit and at least the brake pressure adjustment valves for a wheel-specific pressure adjustment.

The invention relates to a modulator system for a brake system of a trailer vehicle (10) having a pneumatic brake apparatus, having a first modulator unit (18, 18a, 18b). The first modulator unit (18, 18a, 18b) has a primary modulator (51, 52) and a first electronic control unit (50, 50a, 50b), wherein the primary modulator (51, 52) has an input (90) for control pressure, an input (86) for supply pressure, an output (87) for brake pressure, and an electrical input (93, 94) for electrical signals of the first electronic control unit (50, 50a, 50b). The first electronic control unit (50, 50a, 50b) has an input (96) for wheel speed signals and an output (95) for connecting to the electrical input (93, 94) of the primary modulator (51, 52). The primary modulator (51, 52) can be controlled by the first electronic control unit (50, 50a, 50b). According to the invention, a second modulator unit (19) is provided in a particular way.

An agricultural train assembly having a tractor and at least one implement coupled to the tractor through a tongue. The assembly has a tractor braking system that selectively applies tractor brakes, an implement braking system that selectively applies implement brakes, a controller that selectively applies the implement braking system, a sensor that communicates with the controller to identify a push force applied to the tongue, the push force being the amount of force applied by the at least one implement towards the tractor. Wherein, the controller communicates with the sensor to identify the push force and compares the push force to a push threshold and when the push force is greater than the push threshold, the controller instructs the implement braking system to apply a burst braking procedure.

To provide an improved brake system.SOLUTION: The present invention discloses a brake system including: a drive unit, in particular, a brake pedal 1; a first piston-cylinder unit THZ allowing brake circuits BK1, BK2 to receive a pressure medium through a valve device FV and including two pistons 12, 16, one piston 16 configured to be driven by the drive unit; a second piston-cylinder unit including an electric motor driving body 8, a transmission device 7, and at least one piston 10 for supplying the pressure medium through the valve device to the brake circuit BK1; and a motor pump unit ESP including valve devices HSV, USV, EV, AV for supplying the pressure medium to the brake circuit. The brake system further includes a hydraulic stroke simulator WS including a pressure chamber or an operation chamber connected to the first piston-cylinder unit.SELECTED DRAWING: Figure 1

Provided is an apparatus for controlling braking force of a vehicle. The apparatus includes a sensor device that obtains information about an image in front of the vehicle and travel information of the vehicle, and a controller that determines a road surface state including a left road surface state and a right road surface state based on the information about the image and the travel information, and controls a braking force of a left wheel of the vehicle and a braking force of a right wheel of the vehicle based on the left road surface state and the right road surface state of the vehicle, respectively.

Braking system for a vehicle, comprising: a pedal (101) to which a brake input is applied; an actuator part configured to generate a brake hydraulic pressure in response to the brake input applied to the pedal (101), and comprising a first actuator with a first hydraulic chamber (131) and a second actuator with a second hydraulic chamber (132); Wheel brakes (136, 137) connected to the first actuator and the second actuator; and an auxiliary cylinder (105) with two auxiliary pistons (108, 109) for forming a third hydraulic chamber (106) and a fourth hydraulic chamber (107), which are two hydraulic chambers that are continuously arranged in a housing; wherein the auxiliary cylinder (105) has a first centrally arranged auxiliary piston and a second auxiliary piston connected to the pedal (101), and wherein the first hydraulic chamber (131) is connected to the third hydraulic chamber (106) by a flow path (112, 121) in which a first valve (119) is installed, the second hydraulic chamber (132) is connected to the fourth hydraulic chamber (107) by a flow path (122, 115) in which a second valve (120) is installed, and pressure equalization is performed by the auxiliary cylinder when a difference occurs between the hydraulic brake pressures generated by the first actuator and the second actuator, wherein the fourth hydraulic chamber (107) is connected to a first flow path (115) adjacent to the first auxiliary piston (108) and to a second flow path (116), and wherein the first flow path (115) and the second flow path (116) are connected to the second valve (120), wherein the first auxiliary piston (108) separates the third hydraulic chamber (106) and the fourth hydraulic chamber (107), and wherein, when the flow path through the first auxiliary piston (108) is closed by the pressure difference between the third hydraulic chamber (106) and the fourth hydraulic chamber (107), the braking force is transmitted through the second flow path (116) to the second hydraulic chamber (132).

The invention relates to a brake system (6) for a motor vehicle, comprising two controllers (16, 18), namely a main controller (16) and a secondary controller (18). In this case, the brake system (6) is arranged in such a way that, in a wake-up mode of the brake system (6), when a brake command is input by the driver, the main control unit (16) or the secondary control unit (18) controls the generation of the braking force in accordance with the input brake command in accordance with a situation, i.e. In accordance with whether an emergency braking situation or a non-emergency braking situation is present.

The invention relates to a sensor assembly (1) for a vehicle, having at least two controllers (ECU1, ECU2), which each comprise at least one evaluation and control unit (10, 10A, 10B, 10C), and a plurality of sensor elements (DF1, DF2, DF3, DF4, DF5, DF6), which are each associated with a brakeable vehicle wheel (VL, VR, HL, HR) and one of the evaluation and control units (10A, 10B, 10C) of the controllers (ECU1, ECU2) and are designed to detect at least one physical variable of the associated vehicle wheel (VL, VR, HL, HR) and to output it directly as an output signal (ASVL, ASVR, ASHL1, ASHR1, ASHL2, ASHR2) to the associated evaluation and control unit (10A, 10B, 10C), wherein the controllers (ECU1, ECU2) are each designed to perform at least one braking function of the vehicle (1) on the basis of the detected physical variables of the brakeable vehicle wheels (VL, VR, HL, HR), wherein at least at the brakeable vehicle wheels (VL, VR) of a first vehicle axle (VA) a sensor element (DF1, DF2) is each provided, the output signals (ASVL, ASVR) of which are output to different evaluation and control units (10B, 10C) provided in a common controller (ECU2), and wherein at least at the brakeable vehicle wheels (VL, VR) of a second vehicle axle (HA) two sensor elements (DF3, DF5; DF4, DF6) are each provided, the output signals (ASHL1, ASHL2, ASHR1, ASHR2) of which are output to evaluation and control units (10A, 10B) provided in different controllers (ECU1, ECU2), the evaluation and control units (10B, 10C) associated with the first vehicle axle (VA) being designed to output the received output signals (ASVL, ASVR) each to at least one evaluation and control unit (10A) of the other controller (ECU1), so that each controller (ECU1, ECU2) receives from all brakeable vehicle wheels (VL, VR, HL, HR) corresponding at least one detected physical variable, and also to a multi-circuit braking system of such a sensor assembly (1).

The invention relates to a braking system (6) for a motor vehicle with two control units (16, 18), namely a primary control unit (16) and a secondary control unit (18). The braking system (6) is configured such that, in a wake-up mode of the braking system (6), when a braking command is entered by a driver, either the primary control unit (16) or the secondary control unit (18) controls the generation of a braking force depending on the situation, namely whether a critical or a non-critical braking situation exists.

The invention relates to a vehicle dynamics system comprising: - a primary control unit (M-ECU) for acquiring and / or generating steering and braking commands; - a braking system with a first brake module (BM1) comprising a first electro-hydraulic pressure supply unit (DV1) and with a second brake module (BM2) comprising a second electro-hydraulic pressure supply unit (DV2); - four hydraulically actuated wheel brakes (RB1-RB4) assigned to wheels (R1-R4); - electrically actuated brake pressure control valves (EV1-EV4, AV1-AV4, SV1-SV4); - a steering actuator (EPS) for actuating at least one axle; - at least one bus connection for communication between a control unit (ECUBM1) of the first brake module (BM1) and the primary control unit (M-ECU);wherein the first brake module (BM1) and the second brake module (BM2) are housed in separate enclosures, wherein the vehicle dynamics system is configured to actuate at least the second pressure supply unit (DV2) and at least the brake pressure adjusting valves (EV1-EV4, AV1-AV4, SV1-SV4) for wheel-specific pressure adjustment in order to implement a braking command during normal operation, and in a first fault case at least the first pressure supply unit (DV1) and at least the brake pressure adjusting valves (EV1-EV4, AV1-AV4, SV1-SV4) for wheel-specific pressure adjustment, wherein the primary control unit (M-ECU) is configured to send control commands to the brake system, which are executed by the first brake module BM1 (primary function) and the second brake module BM2 (secondary function), wherein the control commands include information about target pressures or target pressure profiles.

A braking system for a motor vehicle with two control devices, namely a primary control device and a secondary control device. The braking system is configured in such a way that, in a wake-up mode of the braking system, when a driver inputs a braking command, either the primary control device or the secondary control device controls the generation of a braking force in dependence on the input braking command, depending on the situation, namely depending on whether a critical or a non-critical braking situation exists.

To provide an improved brake system.SOLUTION: A two-box brake system includes: a first piston-cylinder unit which has a motor-driven body and a transmission device as a first box; and an ESP unit for supplying a pressure medium to a wheel brake as a second box. The first piston-cylinder unit has a pressure supply piston for supplying the pressure medium to the ESP unit through first and second hydraulic lines. An emergency ABS function without the ESP unit is adapted to be executed using the first piston-cylinder unit and a separation valve. The emergency ABS function is executed so that pressures supplied to the wheel brake of the first shaft and the wheel brake of the second shaft are separately adjusted, or the emergency ABS function in an emergency operation without a motor pump unit of the ESP unit is adapted to be executed using valves of the first piston-cylinder unit and the ESP unit.SELECTED DRAWING: Figure 1

In a method for controlling a hydraulic brake system in a vehicle, wherein the hydraulic brake system is equipped with a hydraulic pump, the hydraulic pump is activated to hold the vehicle at rest and brake fluid is conveyed via open inlet valves to the wheel braking device of a first vehicle axle. The inlet valves on wheel braking devices of a second vehicle axle are at least partially open in response to a change in the brake pressure requirement in the brake system, and at the same time the outlet valves on said wheel braking devices remain closed while the vehicle is being held at rest.

Provided in the present application are a vehicle U-turn control method and apparatus, and a vehicle. The method includes: first, after detecting that a creeping U-turn function is activated, collecting and acquiring, by a vehicle, a steering wheel angle; determining whether the vehicle currently satisfies a preset creeping U-turn condition according to the steering wheel steering angle; when the creeping U-turn condition is satisfied, acquiring, by the vehicle, transmission gear position information and transfer case gear position information, and acquiring a target vehicle speed of the vehicle during a creeping U-turn process according to the information; then calculating and acquiring a braking pressure force of an inner front wheel and a braking pressure force of an inner rear wheel when the vehicle performs a U-turn according to the steering wheel angle, a wheelbase and a track width of the vehicle; and finally, according to the target vehicle speed, the braking pressure force of the inner front wheel and the braking pressure force of the inner rear wheel, controlling the vehicle to perform a creeping U-turn. By means of the present solution, a vehicle U-turn turning radius can be reduced, and an automatic speed control during a turning process can be realized, thereby improving the smoothness and controllability of a U-turn driving.

The invention relates to a driving power system for a vehicle, comprising: a main control unit (M-ECU) for detecting and / or generating steering and braking commands; a brake system having a first brake module (BM1) and a second brake module (BM2); four hydraulically driven wheel brakes (RB1-RB4) associated with the wheels (R1-R4); an electrically driven brake pressure control valve (EV1-EV4, AV1-AV4, SV1-SV4); a steering actuator (EPS) for driving at least one axle; and at least one bus connection for a communication connection between the controller (ECUBM1) of the first brake module and the main control unit (M-ECU). The driving power system is configured to execute a braking command during normal operation to at least actuate the second pressure supply unit (DV2) and at least actuate the brake pressure regulating valve, and in a first fault situation, at least actuate the first pressure supply unit (DV1) and at least actuate the brake pressure regulating valve for wheel-specific pressure regulation.

The invention relates to a braking system (6) for a motor vehicle with two control units (16, 18), namely a primary control unit (16) and a secondary control unit (18). The braking system (6) is configured such that, in a wake-up mode of the braking system (6), when a braking command is entered by a driver, either the primary control unit (16) or the secondary control unit (18) controls the generation of a braking force depending on the situation, namely whether a critical or a non-critical braking situation exists.

A sensor assembly for a vehicle includes control devices having respective evaluation and control units, and sensor elements assigned to a respective brakeable wheel and one of the ECUs and record a physical variable of the associated wheel and output same as an output signal to the associated ECU. The control devices execute a brake function based on the recorded physical variables. A respective sensor element is arranged on the brakeable wheels of a first axle. The output signals thereof are output to different ECUs of a single control device. Two respective sensor elements are arranged on brakeable wheels of a second axle. The output signals thereof are output to other ECUs in different control devices. The ECUs of the first axle output the respective received output signal to an ECU of another control device, such that each control device receives the corresponding recorded physical variable from all wheels.

Disclosed is electro mechanical brake system including: first pedal sensor, second pedal sensor, and third pedal sensor configured to detect pedal effort applied to brake pedal and generate first braking signal, second braking signal, and third braking signal; first EMB, second EMB, third EMB, and fourth EMB respectively installed in plurality of wheels of vehicle and configured to provide braking force to plurality of wheels of vehicle; first brake controller connected to first pedal sensor, and configured to obtain first target braking torque based on first braking signal and transmit first target braking torque to first, second, third and fourth EMBs; and second brake controller connected to first pedal sensor, second pedal sensor, and third pedal sensor, and configured to obtain second target braking torque based on first braking signal, second braking signal, and third braking signal and transmit second target braking torque to first, second, third and fourth EMBs.

A modulator system for a brake system of a trailer vehicle includes a pneumatic brake installation which has a first modulator device. The first modulator device has a primary modulator and a first electronic control device. The primary modulator has an input for control pressure, an input for supply pressure, an output for brake pressure and an electrical input for electrical signals from the first electronic control device. The first electronic control device has an input for wheel speed signals and an output for connecting to the electrical input of the primary modulator. The primary modulator is able to be controlled by the first electronic control device. The modulator system further has a second modulator device.