Abstract: A trailer control valve (300) for a towing vehicle of a trailer is disclosed. The trailer control valve (300) comprising a pneumatic input port (310) for receiving a control pressure (101); an electronic input port (320) for receiving an electronic brake signal (150); a pressure sensor (330); a relay valve relay valve (340) with a control port (345); a first solenoid valve (350) and a second solenoid valve (360); a pressure supply port (370); and a trailer coupling terminal (380) for providing a brake pressure and/or a supply pressure to the trailer. The first solenoid valve (350) and the second solenoid valve (360) are arranged to forward, in a primary mode, the control pressure (101) to the control port (345) of the relay valve, and to interrupt, in a secondary mode, the control pressure and to connect the control port of the relay valve to the pressure supply port.

Abstract: An electropneumatic service brake device (1) for a vehicle, comprising: at least one pneumatic service brake cylinder (BZ1), loadable with a first service brake pressure (p1), and at least one second pneumatic service brake cylinder (BZ2), loadable with a second service brake pressure (p2), a foot brake actuation device (5), a pneumatic foot brake valve device (FBV, FBM), provided and configured to generate a first control pressure (Stp1) and a second control pressure (Stp2) as a function of an actuation of the foot brake actuation device (5), an electronic service brake control (EBS-ECU), provided and configured to generate an electrical control signal as a function of an electrical brake request signal, wherein the electrical control signal represents a nominal service brake pressure, a first electropneumatic solenoid valve device (2C-EVO), provided and configured to be electrically controllable by the electrical control signal, or pneumatically controllable by the first control pressure (Stp1).

Abstract: A brake system for a utility vehicle includes: an electronic brake controller unit, a pneumatic parking brake circuit with at least one spring energy cylinder, a parking brake valve to control a parking brake pressure in the parking brake circuit, and at least one 3/3-way valve arranged in a pneumatic line of the parking brake circuit between the parking brake valve and at least one of the spring energy cylinders. The 3/3-way valve is actuable by the electronic brake control unit, and is configured to ventilate the pneumatic line between the 3/3-way valve and at least one of the spring energy cylinders to a predefined pressure, so as to cause the at least one of the spring energy cylinders to allow a brake, which is assigned to the spring energy cylinder, to pass into engagement.

Abstract: Electric equipment for a vehicle with an electropneumatic service brake device, in which at least one pneumatic brake control pressure is immediately and directly controlled to the electromagnetic backup valve, which is still being closed by a current, of at least one pressure regulating module in response to an assistance brake request signal regardless of a defect of an electric service brake circuit. For a failure of the electric service brake circuit, the electromagnetic backup valve, which is then in the currentless state, of the at least one pressure regulating module is automatically opened, and the brake pressure is immediately formed in the pressure regulating module based on the at least one pneumatic brake control pressure already present in the pressure regulating module. Thus, the reaction time of a pneumatic redundancy of the electropneumatic service brake device in response to electric defects is reduced.

Abstract: An electrohydraulic brake for a vehicle, which includes an electronic controller having an implemented regulation function, which is carried out during a braking operation as needed in at least one regulating cycle, wherein during the regulating cycle, at least one brake pressure reduction and at least one brake pressure build-up take place in at least one hydraulic brake actuator. The electrohydraulic brake includes a hydraulic fluid reservoir, a pump, and at least one pressure accumulator. The electronic controller controls at least the drive machine for the pump and/or the valve device.

Abstract: An electronically controlled pneumatic operating brake system, having a backup control pressure for a pneumatic fall back level, wherein the backup control pressure is generated from a compressed air supply which is independent from two compressed air supplies for a front axle circuit and a rear axle circuit. This assures additional pneumatic redundancy and facilitates omitting a pneumatic channel in a foot brake module.

Abstract: A method for testing functionality of a brake-system's select-high valve (SHV), including: comparing the pressure in a main-supply-circuit (MSC) with the pressure in a service-brake-circuit (SBC) and ascertaining that the SBC is being supplied with pressure from the other supply-circuit (OSC) if the pressure in the SBC is higher than the pressure in the MSC; increasing the pressure in the MSC above the pressure of the OSC; comparing the pressure in the MSC with the pressure in the SBC and ascertaining that the SBC is being supplied with pressure from the MSC when the pressure in the SBC at least approximately corresponds to the pressure in the MSC; and ascertaining that the SHV is functional if it has been ascertained that the SBC is being supplied with pressure from the OSC and that the SBC is being supplied with pressure from the MSC.

Abstract: Method and equipment for estimating a braking factor for a braking system for a vehicle. The method includes estimating a braking factor (kbrk) for a braking system for a vehicle, in which the braking factor (kbrk) is by applying the following equation: kbrk=a+b*vveh+c*pbrk+d*Tbrk+f*pbrk2, in which a, b, c, d and f are model parameters, vveh is a velocity of the vehicle, pbrk is a braking pressure, and Tbrk is a brake temperature.

Abstract: A following distance control system for a motor vehicle, which is configured to control at least one following distance of the motor vehicle in relation to a vehicle in front to a target following distance without intervention by a driver of the motor vehicle. The system includes a sensor system, configured to detect at least one actual following distance of the motor vehicle in relation to the vehicle in front in a detection range and to generate a distance signal as a function thereof, and an electronic control, configured to evaluate at least a distance signal and to generate a control signal for a drive device and/or a braking device of the motor vehicle.

Abstract: A brake system of a vehicle, having an electro-pneumatic parking brake installation with a parking brake module and a parking brake function, an electro-pneumatic service brake installation with at least one electro-pneumatic service brake circuit, and a redundant parking brake function implemented in a controller. The redundant parking brake function is configured so that, upon recognizing the standstill of the vehicle and upon recognizing a fault or a defect in the parking brake circuit that causes the non-energized state of the parking brake module, it optionally actuates a first solenoid valve installation so as to apply, or keep in an applied state, at least one first service brake cylinder, and optionally simultaneously or thereafter actuates a second solenoid valve installation so as to direct compressed air into the second service brake cylinder.

Abstract: An electric system of a vehicle including an electronically controlled braking system. The electric system has a steering angle sensor unit, at least one control module, at least one first inertia sensor and an electronic braking system central control unit EBS ECU. The at least one control module is external to the steering angle sensor unit. The at least one control module is also external to the EBS ECU. At least one of the at least one control module has mounted within it one of the at least one first inertia sensor.

Abstract: Method and equipment for estimating a brake temperature, method for estimating a braking factor and computer program product, including a method for estimating a brake temperature of a brake disc of a vehicle, by performing the following: virtually separating the brake disc in a brake disc body and a brake disc contact surface layer; and estimating the temperature of the brake disc contact surface layer in dependence of the temperature of the braking disc body and a heat input in the brake disc contact surface layer due to a braking action, in which the estimated temperature of the brake disc contact surface layer corresponds to the brake temperature.

Abstract: An electric-parking-brake for a utility-vehicle, including: a feed-line for brake-pressure air; a discharge-line for brake-pressure air for a pneumatic-brake-device; a first-valve and a second-valve, each being switchable between a stable-state and an activated-state in response to electrical control-signals; and a valve-device which is connected between the feed-line and the discharge-line and exhibits a control-input, the valve device being switchable between a stable-state and an activated-state in response to control signals at the control-input, the feed-line being connected to the discharge-line in the activated-state, in which the first-valve in the stable-state or in the activated-state connects the control-input of the valve-device to the discharge-line, to retain a current-state of the valve-device when the brake-pressure air is applied to the discharge-line, and in the activated or stable state connects the control-input to the second-valve.

Abstract: A steering assistance device includes an input shaft, a torque sensor, and output shaft, a gear unit, a steering housing, and a drive unit. The drive unit and the torque sensor are arranged so as to be in mechanical contact with the steering housing. The drive unit has a pump for conveying the working medium and a motor for driving the pump. The drive unit has a reservoir for containing working medium, wherein at least the pump is arranged within the reservoir. The input shaft, the torque sensor, the gear unit, and the drive unit are arranged in a row along a longitudinal axis.

Abstract: Electric equipment for a vehicle with an electropneumatic service brake device, in which at least one pneumatic brake control pressure is immediately and directly controlled to the electromagnetic backup valve, which is still being closed by a current, of at least one pressure regulating module in response to an assistance brake request signal regardless of a defect of an electric service brake circuit. For a failure of the electric service brake circuit, the electromagnetic backup valve, which is then in the currentless state, of the at least one pressure regulating module is automatically opened, and the brake pressure is immediately formed in the pressure regulating module based on the at least one pneumatic brake control pressure already present in the pressure regulating module. Thus, the reaction time of a pneumatic redundancy of the electropneumatic service brake device in response to electric defects is reduced.

Abstract: A method for testing functionality of a brake-system's select-high valve (SHV), including: comparing the pressure in a main-supply-circuit (MSC) with the pressure in a service-brake-circuit (SBC) and ascertaining that the SBC is being supplied with pressure from the other supply-circuit (OSC) if the pressure in the SBC is higher than the pressure in the MSC; increasing the pressure in the MSC above the pressure of the OSC; comparing the pressure in the MSC with the pressure in the SBC and ascertaining that the SBC is being supplied with pressure from the MSC when the pressure in the SBC at least approximately corresponds to the pressure in the MSC; and ascertaining that the SHV is functional if it has been ascertained that the SBC is being supplied with pressure from the OSC and that the SBC is being supplied with pressure from the MSC.

Abstract: A method for operating an anti-lock braking system control unit for a highly automated vehicle with at least one steering axle, including: reading in an activation signal, which represents an activated steering brake function of the vehicle and/or a deactivated electrically actuatable steering function of the vehicle; and transmitting a control signal using the activation signal, wherein the control signal is for setting a control mode for controlling an ABS function of the anti-lock braking system control unit for at least the steering axle of the vehicle. Also described are a related apparatus, anti-lock braking system control unit, and computer readable medium.

Abstract: A module for providing control signals for a brake system of a vehicle which has a supply source, including: at least one interface to be connected to a compressed-air source; at least one interface to transmit the control signals to at least one processing unit for the purposes of generating brake pressures; wherein the module is configured to be provided with a supply by a further supply source. Also described are a related redundancy system, an electronically controlled brake system, and a method.

Abstract: An apparatus for determining a rotational speed of at least one wheel of a vehicle, including: a detection device for detecting an angular velocity of the wheel that is correlated to the rotational speed, wherein the detection device is configured to provide an electrical detection signal depending on the angular velocity detected; a first control unit with a first measurement device for measuring the detection signal, wherein the first control unit is electrically joined to the detection device; and a second control unit with a second measurement device for measuring the detection signal, wherein the second control unit is electrically joined to the detection device, wherein the detection device can be electrically switched or is electrically switched between the first measurement device and the second measurement device. Also described is a related method.

Abstract: A device for decoupling and/or protecting against compensation currents when at least one electropneumatic actuator is used jointly by a plurality of independently voltage-supplied control unit devices in redundant systems for autonomous driving. The electropneumatic actuator has, in each case, a common connection, via which the electropneumatic actuator can be coupled and switched to a common connection of other electropneumatic actuators, and has at least one dedicated connection via which the at least one electropneumatic actuator can be individually supplied with current. Switching devices, corresponding to the common connection and the number of dedicated connections of all the electropneumatic actuators, are arranged to apply or not apply a switched current in the at least one electropneumatic actuator. Provided is at least one current flow blocking device to prevent an unwanted current flow to a non-active electronic control unit of the first and second control unit devices.