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.

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 speed control system to control retardation energy of a vehicle and a method of controlling retardation energy of a vehicle are provided. The system includes an energy storage device configured to absorb and store the retardation energy of the vehicle. The energy storage device includes a power absorption limit determined at least partially by a temperature and a state of charge of the energy storage device. The system further includes a non-energy-storing retarder configured to absorb the retardation energy of the vehicle and a controller configured to route the retardation energy to the energy storage device up to the power absorption limit and route a remaining portion of the retardation energy to the non-energy-storing retarder.

A force-feedback brake pedal system for cooperative braking of an electric or hybrid vehicle having jointly a regenerative braking system and a frictional braking system includes a brake pedal which is pivotally mounted around a shaft or a bearing, an electronic circuitry which is in electrical communication with the regenerative braking system and the frictional braking system of the vehicle, an actuator for providing force feedback in accordance with the regenerative breaking and friction breaking of the vehicle, the actuator is in mechanical communication with the brake pedal. The force-feedback brake pedal system further includes a compliant element arranged between the brake pedal and the actuator, and a position sensor which, during operation, measuring the deflections of the compliant element and transmitting data to the electronic circuitry.

A control circuit, is disclosed, which is developed and intended for use in a motor vehicle. The control circuit comprises a first circuit portion, which is developed and intended to detect an error state of a control module and/or supply source, such as a voltage supply, of a drive arrangement, for example a drive arrangement of a brake system of the motor vehicle, and/or an electric drive of the drive arrangement, and is developed and intended to cause a short-circuit of the electric drive of the drive arrangement if an error state has been detected. A control method is also disclosed, for operating a brake system of a motor vehicle, as well as a computer program and a control unit or system having multiple control units.

Disclosed are an apparatus and method for controlling autonomous traveling of an independent driving electric vehicle. An apparatus for controlling autonomous traveling of an independent driving electric vehicle according to one aspect of the present disclosure includes a measurement unit configured to measure traveling information of a vehicle, a steering angle controller configured to calculate a steering angle for following a look ahead point based on path information of the vehicle and the traveling information, and control the vehicle according to the steering angle, and a torque vectoring controller configured to calculate a lateral error and an angular error of the vehicle based on the path information and the traveling information, generate a control moment based on the lateral error and the angular error, and control a motor torque of each motor based on the control moment.

It makes it possible to track instrument information and to obtain an accurate history of the instrument information, even when a mounting position mounted with a railway vehicle instrument has been changed. Instrument information indicating an operation or a state of a railway vehicle instrument mounted to each mounting position included in a composition is collected. A serial number determined for each mounting position is updated. The instrument information is assigned with a temporary ID including position information specifying the each mounting position and a serial number. A combination of a new temporary ID and an old temporary ID included in the temporary ID group and assigned to new instrument information and old instrument information indicating an operation or a state of a same railway vehicle instrument is estimated.

Disclosed is a method for operating a rotational speed sensor comprising a sensor element in a vehicle, wherein the sensor element interacts with a magnet wheel on a wheel of the vehicle and an effective parameter generated by the interaction of the magnet wheel with the sensor element is evaluated in the form of a measurand in an evaluation module and, depending on the measurand, an output variable characterizing the rotational speed of the wheel is output, wherein the sensor element is supplied via the evaluation module with a sensor voltage influencing the measurand. A sensor assembly is also disclosed.

An electric drive module (EDM) of an electrified vehicle includes a park pawl configured to engage/disengage a park gear of the vehicle in response to actuation by an electric motor, and a power inverter module (PIM) comprising a supercapacitor configured to store electrical energy, and control logic configured to control the park pawl, the electric motor, and the supercapacitor, and an electrified vehicle control unit (EVCU) configured to control operation of the vehicle and in communication with the PIM and an electronic park brake via a controller area network (CAN), wherein the electronic park brake is configured to selectively apply a braking force to a driveline of the vehicle, wherein the system is able to secure the vehicle in the event of a plurality of different electrical system malfunctions without the use of additional electric motors and/or battery systems that increase vehicle weight and packaging.

A software update device is connected to a control device and includes an update control unit executing an update process of causing software for the control device to transit from a non-updated state to a completely updated state, a recovery control information managing unit acquiring recovery control information, and a recovery control unit executing a recovery process of causing the software to transit to the completely updated state on a basis of the recovery control information in a case where an abnormality in the update process has prevented the software from transiting to the completely updated state.