B60T2220/04

Computer system and a computer-implemented method of counteracting motion of a vehicle having a driver's cabin

A computer system comprising processing circuitry is configured to determine, for a vehicle comprising a driver's cabin, that an engine or a motor of the vehicle has been turned off; receive, from a gradient determining device provided on the vehicle, information indicative of the gradient of the ground on which the vehicle stands; receive, from a sensor device of the vehicle, information indicative of the vehicle being in motion; determine, based on information or based on lack of information from an in-cabin sensor of the vehicle, that the driver is outside of the cabin; and control a gear arrangement of the vehicle to engage a forward gear or a reverse gear based on the information from the gradient determining device, in order to counteract movement of the vehicle due to the gradient of the ground.

DEVICE AND METHOD FOR DETECTING ABNORMALITY OF BRAKE MOTOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR PERFORMING THE METHOD
20250074385 · 2025-03-06 ·

A brake motor abnormality detection device may detect abnormality of a brake motor generating a driving force to displace a friction member at a side of a wheel of a vehicle to generate a braking force caused by friction due to the displacement of the friction member. The brake motor abnormality detection device includes a memory in which one or more instructions are stored and a processor configured to execute the one or more instructions to input input data to an artificial neural network model configured to receive the input data and output an estimation value of an output variable related to an output of the brake motor, obtain the estimation value of the output variable, and detect whether the brake motor is abnormal by using a difference between the estimation value of the output variable and a measurement value of the output variable.

DEVICE AND METHOD FOR DETECTING ABNORMALITY OF MOTOR FOR GENERATING HYDRAULIC PRESSURE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR PERFORMING THE METHOD
20250074376 · 2025-03-06 ·

A hydraulic pressure generation motor abnormality detection device may detect abnormality of a hydraulic pressure generation motor configured to drive a pump to generate a hydraulic pressure corresponding to an input displacement of a brake pedal of a vehicle, and includes a memory in which one or more instructions are stored and a processor configured to execute the one or more instructions, wherein the processor executes the one or more instructions to input input data to an artificial neural network model configured to receive the input data and output an estimation value of an output variable related to an output of the hydraulic pressure generation motor, obtain the estimation value of the output variable, and detect whether the hydraulic pressure generation motor is abnormal by using a difference between the estimation value of the output variable and an actual measurement value of the output variable.

Vehicle brake device

A target control value of the brake fluid pressure generated in dependence on the braking operation amount is set by using a first coefficient determined in dependence on the vehicle speed in an early phase of a braking operation performed by a vehicle operator and a second coefficient determined in dependence on the braking operation amount and the vehicle speed during a later braking action. The increase in the braking force for the buildup control can be restrained in an early phase of the braking operation so that the onset of deceleration in an early phase of the braking action for the given braking operation can be made gradual in a manner corresponding to the vehicle speed while a favorable buildup control is achieved by increasing the deceleration as the vehicle speed decreases in the course of the braking action.

Systems and methods for pressure actuated pedal control

Electronic pedal control systems and methods for a vehicle are provided. One electronic pedal control system includes a first sensor configured to produce a first output corresponding to a user applied force and a second sensor configured to produce a second output corresponding to a release of user applied force. A controller is configured to receive the first output and the second output and to control one of a brake system, a clutch system, and a throttle system of the vehicle based on the first and second outputs, and the first and second sensors are positioned relative to one another such that an application of force to the first sensor unloads the second sensor and the removal of force from the first sensor loads the second sensor.

System and method for controlling vehicle speed

A method for operating a speed control system of a vehicle is provided. The method comprises detecting an occurrence of a slip event, of a step encounter event, or of both events at a leading wheel of the vehicle. The method also comprises predicting that the occurrence of the detected event(s) will occur at a following wheel of the vehicle. The method yet further comprises automatically controlling vehicle speed, vehicle acceleration, or both vehicle speed and acceleration in response to the detection, the prediction, or both the detection and prediction. A speed control system comprising an electronic control unit (ECU) configured to perform the above-described methodology is also provided.

VEHICLE SPEED CONTROL SYSTEM
20170043774 · 2017-02-16 ·

A vehicle speed control system for a vehicle having a plurality of wheels, the vehicle speed control system comprising one or more electronic control units configured to carry out a method that includes applying torque to at least one of the plurality of wheels, detecting a slip event between any one or more of the wheels and the ground over which the vehicle is travelling when the vehicle is in motion and providing a slip detection output signal in the event thereof. The method carried out by the one or more electronic control units further includes receiving a user input of a target speed at which the vehicle is intended to travel and maintaining the vehicle at the target speed independently of the slip detection output signal by adjusting the amount of torque applied to the at least one of the plurality of wheels.

BRAKING APPARATUS AND BRAKING METHOD FOR VEHICLE
20250115220 · 2025-04-10 ·

A braking apparatus for a vehicle may include a receiving unit for receiving driving information of the vehicle, a braking force generating unit for generating a braking force of the vehicle, and a continuous braking control unit for controlling the braking force generating unit based on the driving information to adjust a magnitude of the braking force, where the continuous braking control unit may control the braking force generating unit so as to periodically generate the braking force with the magnitude of between a first braking force and a second braking force.

METHOD AND DEVICE FOR OPERATING A HYDRAULIC BRAKE SYSTEM OF A MOTOR VEHICLE, BRAKE SYSTEM

A method for operating a hydraulic brake system of a motor vehicle. The brake system includes a hydraulic primary actuator, which includes a master brake cylinder and an actuator that can be controlled for operating the master brake cylinder, and at least one brake circuit that is or can be hydraulically connected to the master brake cylinder and has at least one hydraulically actuated wheel brake, wherein the at least one brake circuit comprises at least one secondary actuator and, assigned to the relevant wheel brake, at least one controllable inlet valve and at least one controllable outlet valve, wherein the secondary actuator can be controlled to convey hydraulic volume in the direction of the inlet valve, and wherein the at least one brake circuit comprises a hydraulic pressure accumulator connected downstream of the outlet valve.

BRAKE SYSTEM FOR A RAIL VEHICLE
20250115219 · 2025-04-10 ·

A rail vehicle (100) has a brake system with a brake unit (200) configured to receive a brake command (cmd.sub.B) and response thereto execute a brake action. The brake unit (200) contains a rotatable member (110) and first and second pressing members (211). The rotatable member (110) is mechanically linked to at least one wheel (105) of the rail vehicle (100). The first and second pressing members (211) are configured to move relative to the rotatable member (110) to execute the brake action. The brake unit (200) also contains a brake actuator (120) configured to produce an electric brake-force signal (BF) in response to the brake command (cmd.sub.B), a gear assembly arranged to operate mechanically on the first and second pressing members (211) and an electric motor (230) configured to act on the gear assembly (220) in response to the electric brake-force signal (BF). The brake actuator (120), in turn, includes a processing unit (125) that is configured to produce the electric brake-force signal (BF) based on the brake command (cmd.sub.B). Thus, the electric brake-force signal (BF) is efficiently protected from interfering electromagnetic radiation.