B60T2220/04

Pedal displacement sensor and electronic brake system comprising the same
10449934 · 2019-10-22 · ·

Disclosed herein are a pedal displacement sensor and an electronic brake system including the pedal displacement sensor. The pedal displacement sensor includes a magnet to be movable, a first electrical steel plate including one end spaced apart from an upper side of the magnet and one surface to face the magnet, a second electrical steel plate including one end spaced apart from a lower side of the magnet and the other end spaced apart from the other end of the first electrical steel plate, and a magnetic sensor to measure a magnetic flux between the other end of the first electrical steel plate and the second electrical steel plate.

SYSTEM AND METHOD FOR PREVENTING OVERHEATING OF AXLE IN CONSTRUCTION MACHINE
20190315356 · 2019-10-17 · ·

The present specification relates to a system and a method for preventing overheating of an axle in a construction equipment. A system for preventing overheating of an axle in a construction equipment is mounted in the construction equipment and transmits driving power of an engine to a wheel, and the system includes: a brake pedal; a brake sensor which detects displacement of the brake pedal when the brake pedal is manipulated by an operator; an exhaust brake which is mounted in the engine and operates and controls an opening degree of an exhaust gas discharge passageway of the engine; and a control unit which adjusts the opening degree of the exhaust gas discharge passageway by controlling the exhaust brake corresponding to the displacement of the brake pedal when manipulation of the brake pedal is detected by the brake sensor.

VEHICLE CONTROL APPARATUS AND VEHICLE CONTROL METHOD
20190315321 · 2019-10-17 ·

Provided is a vehicle control apparatus and vehicle control method. The vehicle control apparatus and vehicle control method includes a sensing unit configured to sense at least one of a vehicle speed value and a wheel speed value, a transmission information output device configured to output transmission information, and a control unit configured to determine whether a vehicle having been in a stationary state is moving using the sensed at least one of the vehicle speed value and the wheel speed value, determine whether the output transmission information corresponds to a neutral state when the vehicle having been in a stationary state is moving, and transmit an electrical parking brake (EPB) engagement command to an EPB device such that EPB automatic engagement is performed by the EPB device when the transmission information corresponds to a neutral state.

Brake control apparatus

A parking brake control apparatus 20 drives an electric motor 43B to advance a piston 39 according to an application request signal from a parking brake switch 19. The parking brake control apparatus 20 includes a running state detection portion that calculates a running state about whether a vehicle is running or stopped based on a wheel signal from a wheel speed sensor 18. When the running state cannot be calculated by the running state detection portion, the parking brake control apparatus 20 controls the electric motor 43B in such a manner that the thrust force of the piston 39 changes at a lower time rate of change than when the running state can be calculated.

Electric brake system and method thereof
10442416 · 2019-10-15 · ·

Disclosed are an electric brake system and a control method thereof. The electric brake system includes a sensor part including at least three sensors among a motor position sensor MPS configured to measure a position of a motor, an acceleration sensor configured to measure a longitudinal acceleration of a vehicle, a wheel speed sensor configured to measure a wheel speed of the vehicle, and a pressure sensor configured to measure a brake hydraulic pressure of a wheel; and a controller configured to receive measured results from the at least three sensors among the motor position sensor MPS, the acceleration sensor, the wheel speed sensor, and the pressure sensor and determine that a sensor fails, which outputs a brake hydraulic pressure having a largest deviation among three or more brake hydraulic pressures that are estimated or measured from the at least three sensors.

Vehicle control apparatus and control method thereof
10442415 · 2019-10-15 · ·

Disclosed herein is a vehicle control apparatus and a control method thereof. The vehicle control apparatus and the control method thereof includes: an inputter configured to receive an operation signal of an anti-lock brake system (ABS) and an operation signal of a pedal stroke which are detected by a detector, and a current value of a reaction force of a pedal simulator; a determiner configured to determine whether or not the input operation signal of the ABS is in an ABS control started state according to a driver's braking will, whether or not the input operation signal of the pedal stroke is in a pedal travel increasing state, and whether or not the input current value of the reaction force of the pedal simulator is a target pressure value needed to generate an ABS pedal feeling; and a controller configured to control a simulator valve to generate an ABS pedal feeling corresponding to a current value of a reaction force of the pedal simulator changed by alternate opening and closing operations of the simulator valve and transmit the ABS pedal feeling to a pedal when the input operation signal of an ABS is in the ABS control started state, the input operation signal of the pedal stroke is in the pedal travel increasing state, and the input current value of the reaction force of the pedal simulator is the target pressure value.

CONTROL DEVICE AND METHOD FOR OPERATING AN ELECTROMECHANICAL BRAKE BOOSTER

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.

Method for checking the braking force in a vehicle

A method for checking the braking force in a vehicle includes adjusting a brake piston with a vehicle hydraulic brake that has a braking force booster and with an electromechanical braking device that has a brake motor so as to generate a braking force. The hydraulic braking medium volume that corresponds to the displacement of the brake piston via the brake motor is compared to a hydraulic reference volume.

SYSTEMS AND METHODS FOR REDUCING ENERGY CONSUMPTION WITHIN A BRAKING SYSTEM OF A VEHICLE
20190299953 · 2019-10-03 ·

Systems and methods for reducing energy consumption within a braking system are provided. In one example, a method includes detecting an energy reduction condition associated with the braking system of the vehicle; energizing a primary circuit apply valve and a secondary circuit apply valve of the braking system in response to detecting the energy reduction condition; de-energizing a motor of a slave cylinder of the braking system in response to energizing the primary circuit apply valve and the secondary circuit apply valve; and de-energizing the primary circuit apply valve and the secondary circuit apply valve of the braking system in response to de-energizing the motor of the slave cylinder.

SYSTEMS AND METHODS FOR DYNAMICALLY DISTRIBUTING BRAKE TORQUE AMONG A PLURALITY OF BRAKES OF A VEHICLE
20190299949 · 2019-10-03 ·

Systems and methods for dynamically distributing brake torque among a plurality of brakes of a vehicle are provided. In one example, a method includes detecting a braking distribution condition; calculating a weight distribution for the vehicle based on a longitudinal acceleration and a lateral acceleration associated with the vehicle to provide a calculated weight distribution; calculating a brake torque limit for each of the plurality of brakes based on the calculated weight distribution to provide calculated brake torque limits; calculating a target brake torque for each of the plurality of brakes based on a driver-demanded brake torque to provide target brake torques; and comparing the calculated brake torque limits with corresponding target brake torques.