A method for initializing an electronically slip-controllable power braking system after a startup and an electronically slip-controllable power braking system. Power braking systems are equipped with a pressure generator for conveying pressure medium in a pressure medium circuit. The pressure generator includes a plunger unit made up of a plunger cylinder, a plunger piston, and a plunger work chamber enclosed by plunger cylinder and plunger piston. A characteristic, using which an actuation of the plunger piston is carried out by the motor during the initialization of the power braking system, is selected by the electronic control unit as a function of a piece of information present about the position of plunger piston at the start of the initialization and implemented by corresponding electronic activation of the motor.

An automobile brake control method, a device, and an automobile. The method includes performing a real time monitoring for failure on an automobile brake system in real time; obtaining automobile working condition information when the automobile brake system is in a failure state; generating a failure determination result according to the automobile working condition information in the failure state; generating a reverse-dragging brake instruction corresponding to reverse-dragging brake condition and sending it to a motor controller, enabling the motor controller to perform the reverse-dragging brake according to the reverse-dragging brake instruction when determining the automobile working condition information after the failure of the brake system satisfies the reverse-dragging brake condition corresponding to the failure determination result. The method can control the motor to perform reverse-dragging brake when the brake system fails or the performance is reduced to a certain extent, so as to effectively improve the safety of the automobile.

The present disclosure provides an apparatus for controlling braking of a vehicle, comprising: a first switching member configured to receive a parking start signal and generate a first drive signal; a second switching member configured to receive the parking start signal and generate a second drive signal; a first controller configured to receive the first drive signal; a second controller configured to receive the second drive signal, the first and second controllers further configured to transceive a switch fail signal with each other; and an electronic parking brake motor configured to be controlled by at least one of the first and second controllers, wherein, when at least one of the first and second drive signals is abnormal, the electronic parking brake motor is controlled by at least one of the first and second controllers based on the switch fail signal.

A brake control device for controlling an electric parking brake may include: a piston capable of pressing a brake pad in accordance with the hydraulic pressure in a cylinder; a linearly moving member that adjusts, by reciprocating in the cylinder, the pressing force applied to the brake pad by the piston; and an actuator that moves the linearly moving member by operating based on a target pressing force, which is a target value of the pressing force corresponding to an output value obtained from a sensor that detects information correlating with the hydraulic pressure. The brake control device is provided with: an abnormality detection unit that detects an abnormality of the sensor; and an actuator control unit that, if an abnormality is detected, controls the operation level of the actuator based on an output value obtained prior to the detection of the abnormality.

A braking control apparatus includes a braking force control unit, a first abnormality detecting unit, a regenerative brake stopping unit, and a braking force compensating unit. The braking force control unit is configured to perform a braking force control by causing an engine brake, a regenerative brake, and a friction brake to operate in cooperation with each other. The regenerative brake stopping unit is configured to disconnect the regenerative brake from the braking force control, when an abnormality of the regenerative brake is detected by the first abnormality detecting unit. The braking force compensating unit is configured to perform a braking force compensation that utilizes the friction brake, from the detection of the abnormality of the regenerative brake until the regenerative brake is disconnected from the braking force control, by performing a feedback control on a deceleration rate at a time when the abnormality of the regenerative brake is detected.

A train compartment brake control method includes: acquiring the number of train compartments of a current train; acquiring the number and type of a current train compartment; and on the basis of a train brake instruction and the number of train compartments of the current train, calculating a braking force of the current train compartment, and performing brake control on the current train compartment. The technical solution described in the present application is applicable to a train having any number of train compartments. The above method acquires the number of train compartments of a train in real time, calculates the braking force required by each train compartment according to the number and type of a current train compartment, and performs brake control on the train.

A switching device for a vehicle brake system, including: a central-control-unit (CCU) for controlling the brake system, at least one subsystem-control-unit (SCU) which is connected/connectable to the CCU via a data bus to control a subsystem device of the brake system and/or a redundant-control-unit (RDC) which is connected/connectable to the CCU via a further data bus to control a redundant brake system for the brake system; and a monitoring device to read in a first test signal from the CCU to test a function of the CCU and which is configured to read in a second test signal from the SCU to test a function of the SCU and/or to read in a redundant test signal from the RDC to test a function of the RDC. Also described are a related brake system, a method, and a computer readable medium.

An electronic brake system including a hydraulic circuit that supplies a hydraulic pressure to a wheel cylinder, the electronic brake system including: a plurality of electronic valves provided to open and close a flow path of the hydraulic circuit; and a controller configured to correct a target current of an electronic valve in operation among the plurality of electronic valves based on a voltage input from a battery of a vehicle during braking control or feedback currents of the plurality of electronic valves, and increase a current supplied to the electronic valve so that the current of the electronic valve in operation reaches the corrected target current.

A control system may include a modulator device that may receive a control signal for changing a traction operation or a braking operation of a vehicle system formed from one or more vehicles. The modulator device may generate an electric modulator signal based on the control signal and may control an actuator using the modulator signal to create an acoustic signal for propagation within a conduit extending along the vehicle system. The system also may include a transducer device that may detect the acoustic signal propagated in the conduit and generate an electric transducer signal based on the acoustic signal. The system may include a demodulator device that may control one or more of a traction device or a braking device to implement the control signal based on the transducer signal that is received.

A method for detecting undesirable vibrations of an actuator of an electromechanical brake includes the steps of: (1) providing an electrical signal comprising at least one piece of information about a current consumption of the actuator or a parameter correlated with the current consumption; (2) monitoring an operation of the actuator on the basis of the gradient of the electrical signal in such a way that after switching on the actuator and preferably after a subsequent delay time, which includes determining: whether the amount of an initial instantaneous value of the gradient exceeds the amount of a threshold and whether a subsequent second instantaneous value of the gradient has an inverted sign compared to the first instantaneous value; (3) evaluating the results to ensure that an undesirable vibration is assessed as detected the aforementioned conditions are met.