A braking control device comprises: an operational displacement sensor detecting operational displacement of a braking member; a first hydraulic pressure unit that reads operational displacement as a first displacement processing value via a first displacement signal line and adjusts braking hydraulic pressure based on the first displacement processing value; a second hydraulic pressure unit that reads operational displacement as a second displacement processing value via a second displacement signal line and adjusts braking hydraulic pressure based on the second displacement processing value; and a communication bus transmitting signals between the first and second hydraulic pressure units. The first hydraulic pressure unit acquires the second displacement processing value via the communication bus and determines suitability/unsuitability of the first displacement processing value. When the first displacement processing value is suitable (unsuitable), the first hydraulic pressure unit adjusts the braking hydraulic pressure on the basis of the first (second) displacement processing value.

A work vehicle provided with a loading hydraulic circuit (A), including at least a main hydraulic pump (31), a lift aim cylinder (8) and a control valve (32), an auxiliary hydraulic pump (31), a negative parking brake device (PB), and a parking brake releasing hydraulic circuit (B2), in which the vehicle includes: a loading operation hydraulic circuit (B1) located upstream of the parking brake releasing hydraulic circuit; an emergency flow path (80) for supplying the pressure oil discharged from the auxiliary hydraulic pump to the parking brake device through the loading operation hydraulic circuit in an emergency; and a valve unit (81) located in the emergency flow path. If the pressure of the parking brake releasing hydraulic circuit is lower than the brake release pressure to release the braking state of the parking brake device, the valve unit is switched to the communicating position.

The invention relates to a control device (10) for at least one electromechanical brake booster of a brake system of a vehicle having an electronics device (32) that is designed to compare a provided sensor signal (38) relating to a differential path (d) between a valve body (12), displaced by a controlled motor, of the electromechanical brake booster and an input rod (14) of the brake system with a specified normal value range, such that, if the sensor signal (38) relating to the differential path (d) lies outside the specified normal value range, the electronics device (32) is in addition designed to define a maximum limit value for a target quantity relating to a target motor torque to be carried out by the motor, at least taking into account the sensor signal (38), in such a way that, at least during a specified time interval after the defining of the maximum limit value, at most an actual motor torque corresponding to the defined maximum limit value can be carried out by the controlled motor. The present invention also relates to an electromechanical brake booster for a brake system of a vehicle, to a brake system for a vehicle, and to a method for operating an electromechanical brake booster of a brake system of a vehicle.

The invention relates to a control device (10) for at least one electromechanical brake booster of a brake system of a vehicle having an electronics device (32) that is designed to compare a provided sensor signal (38) relating to a differential path (d) between a valve body (12), displaced by a controlled motor, of the electromechanical brake booster and an input rod (14) of the brake system with a specified normal value range, such that, if the sensor signal (38) relating to the differential path (d) lies outside the specified normal value range, the electronics device (32) is in addition designed to define a maximum limit value for a target quantity relating to a target motor torque to be carried out by the motor, at least taking into account the sensor signal (38), in such a way that, at least during a specified time interval after the defining of the maximum limit value, at most an actual motor torque corresponding to the defined maximum limit value can be carried out by the controlled motor. The present invention also relates to an electromechanical brake booster for a brake system of a vehicle, to a brake system for a vehicle, and to a method for operating an electromechanical brake booster of a brake system of a vehicle.

A hydraulic block for redundancy of an electronic braking device may include: a block body having a motor mounting part to which a motor is coupled and a controller mounting part to which an ECU is coupled; hydraulic control ports formed on the block body, and connected to a first output line of a main braking device and a first hydraulic braking line, in order to perform hydraulic braking on ones of front wheels and rear wheels; drain ports formed on the block body, and connected to a second output line of the main braking device and a second hydraulic braking line, in order to reduce the pressure of the others; and a hydraulic circuit configured to form a flow path of operating fluid in the block body, and control the flow rates and pressures of operating fluids passing through the hydraulic control ports and the drain ports.

A hydraulic block for redundancy of an electronic braking device may include: a block body having a motor mounting part to which a motor is coupled and a controller mounting part to which an ECU is coupled; hydraulic control ports formed on the block body, and connected to a first output line of a main braking device and a first hydraulic braking line, in order to perform hydraulic braking on ones of front wheels and rear wheels; drain ports formed on the block body, and connected to a second output line of the main braking device and a second hydraulic braking line, in order to reduce the pressure of the others; and a hydraulic circuit configured to form a flow path of operating fluid in the block body, and control the flow rates and pressures of operating fluids passing through the hydraulic control ports and the drain ports.

A method and system corrects steering of a vehicle upon a brake system malfunction. The brake system has a diagonal split layout. An electronic brake system (EBS) controls operation of the master cylinder. An electronic power steering system (EPS) includes sensors to measure motion and torque of a steering column of the vehicle and includes a motor to provide torque to the steering column. During driver braking when one of the brake circuits has failed, the system calculates a yaw torque value introduced by a driver braking with just one functioning brake circuit. Based on a steer wheel angle and a steer wheel torque obtained from the sensors of the EPS and on the yaw torque value, a steer wheel torque request defining a steer wheel torque/angle needed to counter the yaw torque value is calculated and sent the EPS which operates the motor to compensate for the steering deviation.

An electronic parachute deployment system including an electronic actuator, a control module, a deployment actuator, and a release mechanism. A parachute is positioned on a payload device, such as a racecar, to slow or stop the payload upon receipt of an electronic deployment activation signal. The electronic deployment signal is verified, including determining proper voltage and source. The deployment system includes multiple redundancies including mechanical deployment redundancy, remote deployment redundancy, and power supply redundancy. The control module responsible for monitoring deployment includes indicators and sensors to indicate a status, operation, or mode relative to the operability of the payload device, relative to components of the release mechanism, and relative to the parachute deployment.

An electronic parachute deployment system including an electronic actuator, a control module, a deployment actuator, and a release mechanism. A parachute is positioned on a payload device, such as a racecar, to slow or stop the payload upon receipt of an electronic deployment activation signal. The electronic deployment signal is verified, including determining proper voltage and source. The deployment system includes multiple redundancies including mechanical deployment redundancy, remote deployment redundancy, and power supply redundancy. The control module responsible for monitoring deployment includes indicators and sensors to indicate a status, operation, or mode relative to the operability of the payload device, relative to components of the release mechanism, and relative to the parachute deployment.

A method for decelerating a vehicle includes actuating an electric brake motor of an electromechanical braking mechanism in an event of a failure of a hydraulic vehicle brake to produce a braking force in an event of a failure of the hydraulic vehicle brake. The method further includes producing a decelerating torque in the drive train of the vehicle in the event of the failure of the hydraulic vehicle brake. The vehicle includes a brake system. The brake system has the hydraulic vehicle brake and the electromechanical braking mechanism with the electric brake motor.