B60T8/245

Device for and method of controlling vehicle
11535215 · 2022-12-27 · ·

A device 10 for controlling a vehicle 1 includes: a sensor 20 configured to detect a rudder angle; a calculation part 40a configured to calculate a target braking force for making a pitch angle equal to a target pitch angle, the target braking force increasing as the rudder angle increases; a determination part 40b configured to determine whether a steering action is in a steady state; a correction part 40c configured to correct the target braking force to be reduced by an offset amount when it is determined that the steering action is in a steady state; and an actuator 30 configured to apply the corrected target braking force to the vehicle.

Vehicle braking system
11440518 · 2022-09-13 · ·

A vehicle braking system includes: a master cylinder; a slave cylinder communicated with the master cylinder; a vehicle behavior stabilizer communicated with the slave cylinder; first and second master cut valves, each being a normally closed valve for opening and closing a fluid flow path between the master cylinder and the slave cylinder, for making hydraulic pressures in the slave cylinder and the vehicle behavior stabilizer work in a valve closing direction; a pressure sensor for detecting the hydraulic pressure in the vehicle behavior stabilizer; and a piston controller for advancing first and second slave pistons in the slave cylinder when the hydraulic pressure on the vehicle behavior stabilizer side, detected by the pressure sensor, exceeds a predetermined value, and returning the pistons at a predetermined timing.

Vehicle attitude control system

Disclosed is a vehicle attitude control system for controlling the attitude of a vehicle in which a road wheel suspension is configured such that a roll axis of a vehicle body inclines downwardly in a forward direction. The vehicle attitude control system includes: a lateral acceleration sensor operable to detect a lateral acceleration; a brake actuator operable to apply a braking force; and a brake control device operable, based on a traveling state of the vehicle, to generate the braking force, wherein the brake control device is configured to execute vehicle attitude control of applying, to an inner rear road wheel, a larger braking force when the lateral acceleration of the vehicle is relatively large than when the lateral acceleration is relatively small, thereby suppressing uplift of an inner rear portion of the vehicle body.

PARKING BRAKE FAIL SAFETY CONTROL SYSTEM FOR VEHICLE HAVING ELECTRIC-AXLE AND METHOD THEREOF
20220297548 · 2022-09-22 · ·

A parking brake fail safety control system and method for a vehicle having an electric-axle, may enable safe parking braking on a level ground, a slope, etc. By controlling the torque from a first motor configured for a rear wheel-first electric-axle and the torque from a second motor configured for a rear wheel-second electric-axle to have the same magnitude in opposite directions and by increasing/decreasing the torque from the first motor and the torque from the second motor, depending on a change of wheel speed when a parking brake fails.

Avoidance modifier system for collision avoidance system
11333767 · 2022-05-17 · ·

An avoidance modifier system may be configured to modify operation of a collision avoidance system associated with a machine. The avoidance modifier system may include at least one inclination sensor and a modifier system controller configured to be in communication with the collision avoidance system. The modifier system controller may be configured to receive an inclination signal from the inclination sensor and determine an inclination angle at which the machine is operating relative to level operation. The modifier system controller may be configured to determine an adjusted ground plane angle indicative of a virtual ground plane on which the machine is operating, and communicate with the collision avoidance system, such that the collision avoidance system does not activate a braking device of the machine in response to an object sensor generating an object signal indicative of detection of an object between an actual ground plane and the virtual ground plane.

Vehicle control device

The present invention provides a vehicle control device that can reduce the delay in the deceleration response of a vehicle to a deceleration command. The present invention modifies the distribution ratio of brake fluid pressure between front brakes and rear brakes on the basis of lateral motion information, vehicle information, and a collision risk or a traveling scene obtained from information pertaining to the external surroundings. The brake fluid pressure is distributed to only one of the front brakes or the rear brakes.

A METHOD FOR CONTROLLING A VEHICLE IN ASSOCIATION WITH A DESCENT, A POWERTRAIN, A VEHICLE, A COMPUTER PROGRAM AND A COMPUTER-READABLE MEDIUM
20220097705 · 2022-03-31 · ·

The present invention relates to a method for controlling a vehicle in association with a descent, the vehicle having a powertrain comprising: a drive unit configured to provide propulsion power; an auxiliary brake device; and a first cooling circuit comprising a first coolant; wherein the drive unit and the auxiliary brake device are arranged to be selectively connected or disconnected with/from the first cooling circuit, wherein the drive unit has a first maximum temperature and the auxiliary brake device has a second maximum temperature higher than the first maximum temperature, the method comprising: controlling the drive unit to reduce the provided propulsion power when the vehicle is approaching an upcoming descent, which fulfils predetermined criteria; disconnecting the drive unit from the first cooling circuit; connecting the auxiliary brake device with the first cooling circuit; and controlling the auxiliary brake device to brake to vehicle down the descent.

Work machine speed control braking

A machine includes an engine, a brake system, a speed sensor, a grade sensor, a load sensor, and a controller. The controller is configured to: determine a grade force based on the weight of the machine and the grade at which the machine is disposed; determine a deceleration force based on a target deceleration and the weight of the machine; monitor the speed at which the machine is traveling; determine an actual deceleration of the machine based on the monitored speed at which the machine is traveling; determine a deceleration error based on a difference between the actual deceleration and the target deceleration; determine a force correction based on the deceleration error; and control the brake system to apply a total brake force equal to the sum of the grade force, the deceleration force, and the force correction.

DEVICE FOR AND METHOD OF CONTROLLING VEHICLE
20220063576 · 2022-03-03 · ·

A device 10 for controlling a vehicle 1 includes: a sensor 20 configured to detect a rudder angle; a calculation part 40a configured to calculate a target braking force for making a pitch angle equal to a target pitch angle, the target braking force increasing as the rudder angle increases; a determination part 40b configured to determine whether a steering action is in a steady state; a correction part 40c configured to correct the target braking force to be reduced by an offset amount when it is determined that the steering action is in a steady state; and an actuator 30 configured to apply the corrected target braking force to the vehicle.

Protection device for a drivetrain of a motor vehicle
11130491 · 2021-09-28 · ·

A protection device for a drivetrain of a motor vehicle having an engine and an automatic transmission, with at least one hydraulic converter. In order to protect the drivetrain, the protection device has a sensor device and a control device. The sensor device is designed to detect a rolling movement of the motor vehicle counter to the selected direction of travel of an engaged gearspeed of the automatic transmission, and the control device is designed to control a brake system of the motor vehicle as a function of the detected rolling movement, in order to limit a rolling speed of the motor vehicle counter to the selected direction of travel to a maximum speed.