Abstract: An ECU of a vehicle executes a regeneration process to control an electric motor so as to generate regenerative torque during deceleration caused by an accelerator OFF. The ECU executes a torque gradual decrease process to decrease the regenerative torque in a wheel slip detection state more gradually at a time when a brake pedal is depressed after a start of the deceleration and ABS control is not activated than a time when the brake pedal is not depressed after the start of the deceleration. The ECU executes a hydraulic pressure increase process to increase the upstream hydraulic pressure such that, when the ABS control is activated while the brake pedal is depressed after the start of the deceleration, the upstream hydraulic pressure has a value necessary for generating a braking torque having a magnitude according to the regenerative torque generated at a start of the ABS control.

Abstract: A brake system includes a source of pressurized hydraulic fluid, a plurality of wheel brakes, and an iso/dump control valve arrangement associated with at least one wheel brake. A reservoir is connected to the source of pressurized fluid and to the iso/dump control valve arrangement. A fast-replenishing circuit includes a FR iso valve, a venting valve, and a replenishing check valve. The venting and replenishing check valves are interposed between the source of pressurized fluid and the reservoir. The FR iso valve is interposed between the source of pressurized fluid and the iso/dump control valve arrangement. When the source of pressurized fluid reaches a predetermined stroke position, the FR iso valve is energized to restrict movement of fluid from at least one iso/dump control valve arrangement to the source of pressurized fluid. The source of pressurized fluid is re-stroked to draw fluid from the reservoir through the replenishing check valve.

Abstract: Brake system (1) for a vehicle is provided, comprising a first hydraulic circuit (10) including a first wheel brake (11), a second hydraulic circuit (20) including a second wheel brake (21), a first hydraulic pressure supplier (12) including an actuator for pressurizing the first hydraulic circuit (10) in a normal operating mode, a second hydraulic pressure supplier (22) including an actuator for pressurizing the second hydraulic circuit (20) in the normal operating mode, a cut-off valve (30) hydraulically connecting the first and second hydraulic circuits (10, 20), a first control unit (14) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request, and a second control unit (24) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request.

Abstract: The disclosure relates to a method for controlling an electronically controllable pneumatic braking system for a towing vehicle. The towing vehicle has front axle brake actuators and rear axle brake actuators; a primary system with a primary control unit for controlling the front and rear axle brake actuators; a secondary system with a secondary control unit for controlling the front and rear axle brake actuators in the event that a fault is detected in the primary system and the braking system is controlled by the secondary system; a trailer control valve for providing a trailer brake pressure at a trailer brake pressure port; and a PLC connector for receiving PLC signals from a trailer. The method includes: providing PLC signals received at the PLC connection both in the primary system and in the secondary system; and processing PLC signals in both the primary system and the secondary system.

Abstract: There is provided a method of controlling an electric vehicle. The method includes obtaining by a controller of the electric vehicle a first state indicator of a state of the electric vehicle, receiving at the controller a status indicator of an operating status of the electric vehicle, and updating by the controller the state of the electric vehicle based on the status indicator to an updated state. The updated state may be associated with a second state indicator. The method also includes determining by the controller a given braking type of a braking to be applied to the electric vehicle. This determining may be based on one or more of the second state indicator and the status indicator. The method also includes applying to the electric vehicle the braking of the given braking type. Systems for applying such braking are also provided.

Abstract: Disclosed are an apparatus for controlling an electromechanical brake system and a method thereof. An apparatus for controlling an electromechanical brake system of the present invention includes: a brake pedal detector unit configured to detect a stepping amount of a driver; a braking module configured to brake the vehicle; a memory configured to store a slope variable braking diagram set according to a characteristic value of the vehicle; and a processor configured to calculate a braking request value based on the stepping amount input from the brake pedal detector unit, and output a control command determined by a brake distribution ratio between front and rear wheels according to the braking request value to the braking module based on the slope variable braking diagram stored in the memory.

Abstract: The present invention relates to, for example, a vehicle control device including a driving force control unit that controls a driving force generated by a wheel of a vehicle; and a braking force control unit that controls a braking force generated by the wheel; where the driving force control unit generates the driving force of a first prescribed amount and the braking force control unit generates the braking force of a second prescribed amount to control the speed of the vehicle to be constant; and acceleration or deceleration are both controllable by performing one of control of the driving force by the driving force control unit and control of the braking force by the braking force control unit.

Abstract: An aircraft braking system for an aircraft, the aircraft including first and second brakes, and first and second energy distribution systems for delivering energy to the first and second brakes to operate the respective first and second brakes. The aircraft braking system is switchable between: a first configuration, in which the first energy distribution system is coupled to the first brake and is isolated from the second brake, and the second energy distribution system is coupled to the second brake and is isolated from the first brake; and a second configuration, in which the first energy distribution system is coupled to both the first and second brakes.

Abstract: A system for releasing the heavy-haul train has a control valve mounted in each of train cars. The control valve is connected to a train pipe, an auxiliary air reservoir and a brake cylinder are connected to the control valve, and an exhaust port is configured on the control valve. The exhaust port is connected to a solenoid valve. The method for improving the release performance of the heavy-haul train includes: S1: the solenoid valve in each of the train cars is powered on to close a passage between the exhaust port of the control valve and the atmosphere; S2: an automatic brake valve is regulated to inflate the train pipe; and S3: the solenoid valve in each of the train cars is powered off to open the passage between the exhaust port of the control valve and the atmosphere, so that the train is released.

Abstract: A braking/driving force control method includes detecting an accelerator stroke amount being the stroke amount of an accelerator pedal, calculating a driving force to be generated by a vehicle driving force source when the accelerator stroke amount is larger than a predetermined first stroke amount, calculating a deceleration driving force to be generated by the vehicle driving force source when the accelerator stroke amount is smaller than a second stroke amount set to a value smaller than or equal to the first stroke amount, controlling the vehicle driving force source to generate the calculated driving force and deceleration driving force, and generating a braking force on wheels according to a depressing operation of a brake pedal by a driver and controlling a brake stroke amount being the stroke amount of the brake pedal according to the calculated deceleration driving force.

Abstract: A brake system comprises a hydraulic braking device configured to generate a hydraulic braking force; and a regenerative braking device configured to generate a regenerative braking force by an electric motor; wherein the hydraulic braking device comprises a master cylinder configured to generate a hydraulic pressure corresponding to a displacement amount of a brake pedal by discharging a brake oil; a plurality of valves disposed in a flow path connecting a plurality of wheel cylinders and the master cylinder; an accumulator disposed in the flow path; and an electronic control unit (ECU) configured to control the plurality of valves so that the brake oil discharged from the master cylinder is stored in the accumulator, and to transmit a request signal for generating the regenerative braking force to the regenerative braking device.

Abstract: An electronically controlled brake system to automatically or remotely control the braking of a towed vehicle from a towing vehicle comprising a towing vehicle module including a microcontroller having logic and circuitry to generate a braking signal in response to braking of the towing vehicle fed through an automotive vehicle self-diagnostic device port and vehicle control unit interface to the brake system of the towed vehicle and a towed vehicle includes a microcontroller having logic and circuitry to generate a brake control signal fed to the brake system on the towed vehicle through a vehicle control unit interface and automotive self-diagnostic port to electronically actuate the towed vehicle brakes.

Abstract: Systems and Methods for controlling an autonomous vehicle, may include: receiving sensor data, the sensor data comprising vehicle parameter information for the autonomous vehicle; using the sensor data to determine a vehicle state for the autonomous vehicle, wherein the vehicle state comprises information regarding a magnitude of an actual or predicted effective understeer gradient for the vehicle; computing a yaw moment required to correct the effective understeer gradient based on the magnitude of the effective understeer gradient; and determining a combination of one or more vehicle control inputs, including applying a brake torque, to correct the effective understeer gradient; applying the brake torque to a single wheel of the vehicle, wherein an amount of brake torque applied is sufficient to lock up the single wheel to create a yaw moment on the vehicle to achieve the computed yaw moment required to correct the effective understeer gradient.

Abstract: A brake system may include a first pressure supply unit having an electromotive drive and arranged to supply pressure medium to first and second brake circuits; a motor-pump unit to supply pressure medium to at least one of the brake circuits; a second pressure supply unit, connected to the motor-pump unit via first and second hydraulic lines and arranged to supply pressure medium to at least one of the brake circuits; and a valve unit. The second pressure supply unit may be connected via a third hydraulic line to at least one of the brake circuits. The valve unit may include at least one feed valve via which the third hydraulic line may be at least partially reversibly shut off. An isolating valve may be disposed in at least one of the hydraulic lines to at least partially reversibly shut off the at least one hydraulic line.

Abstract: A braking control system includes a regenerative brake controller, a friction brake controller, and a master controller. The regenerative brake controller, in response to absence of expected communication between the master controller and regenerative brake controller, decreases regenerative braking. The master controller, in response to detecting the decrease in regenerative braking, commands the friction brake controller to increase friction braking.

Abstract: A braking control device includes a front wheel motor that controls a front wheel hydraulic pressure to adjust a front wheel braking torque, a first motor that adjusts a right rear wheel braking torque, and a second motor that adjusts a left rear wheel braking torque. The front wheel motor includes two-system coils, and the first and second motors include one-system coils. A controller that controls the electric motors includes a one-side drive circuit that energizes one of the two-system coils of the front wheel motor, an other-side front wheel drive circuit that energizes the other of the two-system coils of the front wheel motor, a first rear wheel drive circuit that energizes the one-system coil of the first motor, and a second rear wheel drive circuit that energizes the one-system coil of the second motor.

Abstract: A braking system includes a service braking system having friction brakes actuatable by a pressure medium, an endurance braking system realized as a hydrodynamic or electrodynamic retarder, an electric machine connected to the wheels on an axle and operatable as a generator, and a foot-brake valve actuatable via a brake pedal. The braking-force demand signaled via a displacement of the pedal is satisfied, in order of priority, by the electric machine in generator operating mode, the retarder, and the service braking system. The distribution of the braking force to the components is communicated to a driver. To inform the driver about the distribution of the braking force, without this requiring the driver to look away from the traffic area ahead, in the case of a change in distribution of braking force, a haptically perceptible signal force is briefly superimposed, via the actuator, on a restoring force acting upon the pedal.

Abstract: A brake control valve arrangement for controlling application of a braking force includes an electro-pneumatic brake control valve block including a hold valve and a vent valve (PRESSURE CONTROLLER), a main regulator valve (RELAY VALVE) and an emergency and a variable load control pressure regulator. The valve block has an inlet for a brake supply pressure, and an outlet in pneumatic connection with a brake cylinder. A pilot pressure into the main regulator valve from the variable load control pressure regulator is controlled by a remote release solenoid valve (CONTROL CHAMBER VENT MAGNET VALVE). The remote release solenoid valve adapted to vent brake cylinder pressure to atmosphere when de-energized thereby enabling release of the wheel braking force via the main regulator valve.

Abstract: Disclosed is a method for actuating a parking brake system in a utility vehicle. In an example, the parking brake system includes an operational actuator for actuating a parking brake and a control unit for controlling the operational actuator. When the utility vehicle is stopped, a stored brake-application characteristic is selected for the parking brake as a function of a current vehicle condition of the utility vehicle. Based on the selected application characteristic, the operational actuator is activated by the control unit in order to apply the parking brake. In addition, or alternately, when the utility vehicle is started, a stored brake-release characteristic is selected for the parking brake as a function of a current vehicle condition of the utility vehicle. Based on the selected brake-release characteristic, the operational actuator is activated by the control unit in order to release the parking brake.

Abstract: A valve assembly may comprise: a housing defining an inlet port, an outlet port, a solenoid valve inlet port, and a solenoid valve outlet port, the inlet port in fluid communication with the solenoid valve inlet port; a shutoff valve disposed in the housing, the shutoff valve including a shutoff valve inlet port in fluid communication with the inlet port and a shutoff valve outlet port in fluid communication with the outlet port, and a second shutoff valve inlet port in fluid communication with the solenoid valve outlet port; a filter disposed downstream of the valve inlet port; and a check valve disposed between the shutoff valve outlet port and the outlet port of the housing.

Abstract: A working vehicle includes a prime mover provided on a vehicle body, a first indicator light provided on the vehicle body, a second indicator light provided on a working device connected to the vehicle body, and an integrated controller including a first controller portion to control the prime mover, and a second controller portion to control the first indicator light and the second indicator light.

Abstract: A brake control device includes an electric pump, a pressure adjustment valve that adjusts a hydraulic pressure of a brake fluid discharged by the electric pump to an adjustment hydraulic pressure and supplies the brake fluid in a rear wheel cylinder, and a master unit provided with a servo chamber into which brake fluid at the adjustment hydraulic pressure is supplied and in which the adjustment hydraulic pressure is converted into a forward force of a master piston, and a master chamber fluidically separated from the servo chamber by the master piston and connected to the front wheel cylinder and in which a rearward force converted from the hydraulic pressure in the front wheel cylinder and is applied to the master piston. Also included is an input unit provided with an input chamber and a simulator, and a controller configured to control the electric pump and the pressure adjustment valve.

Abstract: A brake system is provided for a trailer vehicle having a plurality of axles, each of which has a wheel end on a respective side of the vehicle, the brake system including first and second pneumatic circuits for supplying air pressure to brake devices at the wheel ends. The system includes a spring brake modulator valve arrangement adapted to control pressure to spring brakes on the vehicle, which modulator valve arrangement receives an input from at least one of the pneumatic circuits and a control pressure from the trailer brake module. Flow of air to the brakes is controllable either by the trailer brake module or by the spring brake modulator valve arrangement to provide redundancy.

Abstract: A method for braking a hybrid electric vehicle, a hybrid electric vehicle and a computer program element. The method includes actuating braking with a brake energy, starting to regenerate the brake energy and charging a battery system with the regenerated brake energy, receiving a state of charge of the battery system, redirecting the regenerated brake energy into an integrated starter generator in case of a full or limited charging of the battery system, and activating the integrated starter generator to rotate an internal combustion engine.

Abstract: The invention relates to a method for operating a hydraulic brake system (10) in a motor vehicle with regenerative braking function. In the method, if a generator braking force of an electric machine (50) is present or incipient, a hydraulic connection (80) between a brake cylinder (16) and a wheel brake (28) is opened before a hydraulic fluid is displaced in the direction of the wheel brake (28) by means of the brake cylinder (16). The invention furthermore relates to a hydraulic brake system (10) for a motor vehicle with regenerative braking function, and to a method for controlling a hydraulic brake system (10) with regenerative braking function. The invention also encompasses a computer program product, a control unit and a motor vehicle.

Abstract: When regeneration control is performed while yaw rate control is being performed, the regeneration control is prohibited, or a regenerative torque of a second rotary machine based on the regeneration control is limited in comparison with a case in which the yaw rate control is not performed. Accordingly, since an influence of the regenerative torque controlled by the regeneration control on the yaw rate control can be suitably curbed, it is possible to curb deterioration in conformability of an actual yaw rate with a target yaw rate in the yaw rate control.

Abstract: A brake cylinder arrangement has a brake cylinder, a pressure sensor, and a pressure reducer, wherein the pressure reducer transfers pressures from the brake cylinder to the pressure sensor differently, depending on the input pressure range. The invention furthermore relates to a braking system having a brake cylinder arrangement of this kind.

Abstract: A control arrangement for a brake system having a plurality of electrically-controlled hydraulic valves includes a primary electronic control unit (“ECU”) including a primary microcontroller for selectively providing at least one of electrical power and a control signal in a normal non-failure braking mode. A secondary ECU is electrically connected to the primary ECU via a power connector and a controller area network (“CAN”) communication bus. The secondary ECU obtains electrical power from a wiring system of a vehicle associated with the brake system. A backup microcontroller is associated with a chosen one of the primary and secondary ECUs, receiving electrical power and a control signal from the secondary ECU. The backup microcontroller selectively provides at least one of electrical power and a control signal in a backup braking mode responsive to the control signal from the secondary ECU.

Abstract: An apparatus and method control regenerative braking torque of an electric vehicle on which an anti-lock brake system (ABS) is mounted. The apparatus and method can compensate the regenerative braking torque of the driving motor based on the behavior model of the electric vehicle, such that the ABS is prevented from entering an operating range to the maximum limit to maximize the energy recovery rate through regenerative braking. The apparatus includes a disturbance extractor that extracts a disturbance in a specific frequency band from a difference between a behavior model and an actual behavior of the electric vehicle. The apparatus includes a torque compensator that compensates for the regenerative braking torque based on the disturbance extracted by the disturbance extractor.

Abstract: An electro-pneumatic parking brake arrangement includes a shut-off valve and a parking brake module. The parking brake module includes a reservoir connection configured to connect to a compressed air reservoir, a first spring-loaded accumulator connection configured to connect to the shut-off valve, an electro-pneumatic valve unit having at least one electro-pneumatic valve configured to output a spring-loaded brake pressure at the first spring-loaded accumulator connection, and an electronic control unit configured to receive parking brake signals from an electronic parking brake switch and/or a higher-order control unit. The shut-off valve comprises a second spring accumulator connection configured to connect the spring-loaded brakes of the further axle and to shut off the second spring accumulator connection depending on a shut-off signal provided by the parking brake module.

Abstract: A parking brake apparatus for a vehicle includes a motor section receiving electric power from an outside, and generating power; a power transmission section rotated by driving the motor section, and including transmission worm gears; a pair of pressing units receiving power from the power transmission section and pressing a brake pad; a load transmission unit installed between the pair of pressing units, connected to each of the pair of pressing units, transmitting a pressing load of any one of the pair of pressing units to the other pressing unit, and made of a magnetic material; a magnet unit disposed to be spaced apart from the load transmission unit; and a hall sensor unit disposed between the load transmission unit and the magnet unit, and sensing a change in magnetic field according to rotation of the load transmission unit.

Abstract: A regenerative braking control method of a vehicle, may include a first operation of determining a driving risk of a road surface on the basis of a status of the road surface while driving; a second operation of determining whether an accelerator pedal is released while driving; a third operation of determining whether a brake pedal is operated while driving; and a fourth operation of performing no regenerative braking when the accelerator pedal is determined as being released, the driving risk of the road surface is determined as being high, and when the brake pedal is determined as not being operated.

Abstract: A brake system includes a brake actuator configured to engage a brake to limit movement of a tractive element, an air-to-hydraulic intensifier coupled to the brake actuator where the air-to-hydraulic intensifier is configured to receive a supply of air and provide a hydraulic fluid to the brake actuator based on the supply of air to overcome a brake biasing force of the brake actuator to disengage the brake actuator from the brake to permit movement of the tractive element, a hydraulic reservoir coupled to the air-to-hydraulic intensifier, and a valve. The valve includes a first port fluidly coupled to the air-to-hydraulic intensifier, a second port fluidly coupled to the hydraulic reservoir, a third port fluidly coupled to the brake actuator, and a valve gate that is repositionable between a first position that couples the first port to the third port and a second position that couples the second port to the third port.

Abstract: A braking system for vehicles includes wheel brakes, a pressure-providing device for actuating the wheel brakes, a master brake cylinder having a primary pressure chamber, a secondary pressure chamber, and a secondary piston. The primary pressure chamber is separated from a first set of the wheel brakes by a first, normally open separating valve, and the secondary pressure chamber is separated from a second set of the wheel brakes by a second, normally open separating valve. A pressure medium reservoir is connected to the secondary pressure chamber in the unactuated state of the secondary piston, the braking system is activated in order to actively build up pressure in the brakes in a by-wire operating mode by the pressure-providing device. In the event of a pressure medium surplus in the wheel brakes, the second separating valve is opened if a release of the brake pedal by the driver is detected.

Abstract: Systems and methods for controlling a vehicle may include receiving sensor data from a plurality of sensors, the sensor data including vehicle parameter information for the vehicle; using the sensor data to determine a vehicle state for a vehicle negotiating a corner, wherein the vehicle state comprises information regarding a magnitude of an effective understeer gradient for the vehicle; computing a yaw moment required to correct the effective understeer gradient based on the magnitude of the effective understeer gradient; and applying a brake torque to a single wheel of the vehicle, wherein an amount of brake torque applied is sufficient to lock up the single wheel to create a yaw moment on the vehicle to achieve the computed yaw moment required to correct the effective understeer gradient.

Abstract: A braking system and method control application of brakes disposed onboard vehicles using brake control devices. The vehicles are in a multi-vehicle system and are associated with different segments of the vehicle system. Brake commands are sent to the brake control devices. These commands direct the brake control devices of the vehicles to concurrently engage the brakes onboard the vehicles to different brake levels based on which of the segments that the vehicles are associated.

Abstract: A hydraulic braking system for a vehicle has two sub-braking systems hydraulically separated from one another. A first sub-braking system of a first axle has a first circuit, a main system with a first power supply and a first ECU, and a secondary system with a second power supply and a second ECU. The first circuit includes first and second pressure generators assigned, respectively, to the main system and the secondary system, in parallel between a fluid container and wheel brakes. A modulation unit connects the pressure generators to the wheel brakes. A second sub-braking system of a second axle includes a second circuit and an auxiliary system with a third power supply and a third ECU. The second circuit includes a pressure generator assigned to the auxiliary system arranged between a fluid container and wheel brakes, and a modulation unit connecting the pressure generators to the wheel brakes.

Abstract: A braking system for a vehicle including front and rear wheels having wheel brakes includes a fluid displacement mechanism for supplying brake fluid to at least one of the wheel brakes. The fluid displacement mechanism includes a piston having a first position prior to braking and a second position for applying braking. A fluid accumulator is in fluid communication with the fluid displacement mechanism and stores brake fluid. A valve is in fluid communication with the fluid displacement mechanism and the accumulator and is configured to be closed while the piston moves from the second position towards the first position to prevent depletion of the accumulator.

Abstract: A brake control system for a vehicle includes a brake actuator operable over a range from an initial position that includes contiguous portions of displacement that are a first portion of displacement, a second portion of displacement and a third portion of displacement, a controller and an actuation sensor operatively coupled to the brake actuator. The actuation sensor sends a signal to the controller to activate a regenerative braking system using an electric motor of the vehicle if the actuation sensor detects the brake actuator is in the first portion of displacement. The regenerative braking system is activated and the friction braking system is activated when the brake actuator is in the second portion of displacement. The regenerative braking system is deactivated and the friction braking system is activated when the brake actuator is in the third portion of displacement.

Abstract: The disclosed vehicle braking device controls a hydraulic brake system (2) and a regeneration brake system (3) mounted on a vehicle (1) in accordance with an acceleration value and a brake value, and includes a first divider (11), a second divider (12), and a controller (13). The first divider (11) divides a driver demand torque set according to the accelerator value into a target coast torque and a remaining torque. The second divider (12) divides a sum of a deceleration torque set according to the brake value and the target coast torque divided by the first divider (11) into a hydraulic-brake demand torque and a regeneration-brake demand torque. The controller (13) controls the hydraulic brake system (2), using the hydraulic-brake demand torque, and controls the regeneration brake system (3), using a total regeneration brake torque calculated from the remaining torque and the regeneration-brake demand torque.

Abstract: The present disclosure relates to a vehicle having a park-by-brake module that can control an electronic parking brake coupled to the rear wheels of a vehicle. The park-by-brake module is coupled to an antilock brake module by a controller area network architecture. In one example, a first controller area network and a second controller area network are used to couple the park-by-brake module to the antilock brake module. The controller area network architecture allows the park-by-brake module to receive commands from various control modules. Based on the received commands, the park-by-brake module activates or deactivates the electronic parking brake.

Abstract: An apparatus and method for controlling pressure of a braking system including a pressure sensor configured to detect a pressure value within the braking system mounted in a vehicle, and collect the detected pressure value as an analog pressure signal; and a control device configured to calibrate the analog pressure signal received from the pressure sensor, convert the calibrated analog pressure signal into a digital pressure signal, and output the digital pressure signal.

Abstract: Systems and Methods for controlling an autonomous vehicle, may include: receiving sensor data, the sensor data comprising vehicle parameter information for the autonomous vehicle; using the sensor data to determine a vehicle state for the autonomous vehicle, wherein the vehicle state comprises information regarding a magnitude of an actual or predicted effective understeer gradient for the vehicle; computing a yaw moment required to correct the effective understeer gradient based on the magnitude of the effective understeer gradient; and determining a combination of one or more vehicle control inputs, including applying a brake torque, to correct the effective understeer gradient; applying the brake torque to a single wheel of the vehicle, wherein an amount of brake torque applied is sufficient to lock up the single wheel to create a yaw moment on the vehicle to achieve the computed yaw moment required to correct the effective understeer gradient.

Abstract: Disclosed are an activation control method and apparatus for a railway train. The method includes that: at least one activation request sent by at least one motorman controller of a railway train is received; a number of at least one motorman controller sending the at least one activation request is determined; when there are a plurality of motorman controllers sending the at least one activation request, the railway train is controlled to perform an emergency braking; and when there is one motorman controller sending the at least one activation request, it is determined that a target motorman controller has a permission to control the railway train, wherein the target motorman controller is a unique motorman controller sending the at least one activation request. The present disclosure solves the problem in the related art of potential safety hazard of a double-vehicle activation processing method.

Abstract: A guide sleeve for guiding a collar of a relay valve for an electropneumatic modulator for a brake system for a vehicle, includes: a guide section configured to be couple-able to a counterpart guide section of the collar of the relay valve so as to allow guidance of the collar along the guide section; and a holding section configured to fasten the guide sleeve in a positively locking manner in a housing of the relay valve. Also described are a related guide sleeve device, and a relay valve, and a related method.

Abstract: A vehicle braking control method includes activating an electronic parking brake system on a vehicle to perform a braking operation; checking whether a rear wheel unlock braking activation condition is met during the braking operation, and if it is met, acquiring a current vehicle stability characteristic. The method further includes determining whether the acquired vehicle stability characteristic is within a preset range; if it is, using motive power supplied by an electric machine on the vehicle together with a rear wheel unlock braking system to execute the braking operation, otherwise executing the braking operation with the rear wheel unlock braking system.

Abstract: A method for detecting a small hydraulic leak of braking fluid in a vehicle, the vehicle having at least a first braking circuit and a second braking circuit, the method includes determining whether system braking pressure falls within a predetermined range, determining whether leakage exists in the braking circuits, determining whether the vehicle is in secure standstill, monitoring small leakage of a braking circuit while the vehicle is in secure standstill if leakage was detected and the vehicle is in the secure standstill, and isolating at least one of the braking circuits if a leakage exists in one of the braking circuits.

Abstract: A vehicle includes a regenerative generator on a front wheel. A braking control device includes an actuator that applies a front wheel torque and a rear wheel torque, and a controller that individually adjusts the front wheel torque and the rear wheel torque. The controller is configured to determine the front wheel torque and the rear wheel torque to zero when a regenerative braking force Fg generated by the regenerative generator has not reached a maximum regenerative force Fx which is a generatable maximum value. On the other hand, the controller is configured to increase the rear wheel torque from zero before increasing the front wheel torque from zero when the regenerative braking force Fg reaches the maximum regenerative force Fx.

Abstract: The present disclosure relates to an electrical parking control method and device, a readable storage medium and a computer device. The method includes that: when it is detected that a vehicle is in a self-piloting mode and a preset parking control condition is satisfied, a parking switching request message is generated, and sent to a VCU; a parking switching message fed back by the VCU is received, the parking switching message being a message generated when the VCU detects that a vehicle state is executable parking switching; a parking switching signal corresponding to the parking switching message is generated; and the parking switching signal is pushed to an external Electrical Park Brake (EPB) system, the parking switching signal being used to switch a state of the external EPB system, the state including a tightening state and a releasing state.

Abstract: The disclosure relates to a hydraulic brake system for a highly automated or autonomous vehicle which includes three pressure generators which provide sufficient braking force even in a case of a fault. Two of the pressure generators are assigned in a redundant manner to one axle and a modulation unit is configured to hydraulically connect the two pressure generators to the wheel brakes of the first axle, and to perform individual brake pressure modulation in the wheel brakes. The third pressure generator is hydraulically separate from the other pressure generators, and another modulation unit is configured to hydraulically connect the third pressure generator to wheel brakes of another axle, and to perform individual brake pressure modulation in the wheel brakes.