B60K28/16

Terrain assist apparatus and related methods for use with vehicles

Terrain assist apparatus and related methods for use with vehicles are disclosed. An example apparatus includes a vehicle controller configured to determine, based on vehicle sensor data, a condition of a vehicle associated with driving on sand. The vehicle controller is also to generate, via an output device, information instructing a vehicle occupant to configure a driving mode of the vehicle that is associated with controlling vehicle speed. The vehicle controller is also to control a parameter of the vehicle based on a setting of the driving mode to resolve the condition.

Terrain assist apparatus and related methods for use with vehicles

Terrain assist apparatus and related methods for use with vehicles are disclosed. An example apparatus includes a vehicle controller configured to determine, based on vehicle sensor data, a condition of a vehicle associated with driving on sand. The vehicle controller is also to generate, via an output device, information instructing a vehicle occupant to configure a driving mode of the vehicle that is associated with controlling vehicle speed. The vehicle controller is also to control a parameter of the vehicle based on a setting of the driving mode to resolve the condition.

Vehicle control system and control method thereof
10919533 · 2021-02-16 · ·

A vehicle control system and a control method thereof are disclosed. The vehicle control system according to an embodiment includes an inputter configured to receive a wheel speed of a vehicle; and a controller configured to determine a wheel spin based on the wheel speed, determine whether the vehicle passes over a pothole based on the tendency of the wheel spin, and cancel engine traction control entry for a time corresponding to the wheel speed when it is determined that the vehicle passes over the pothole.

CONTROL SYSTEM FOR VEHICLE
20210078582 · 2021-03-18 ·

A control system for a vehicle control system that stabilizes behavior of the vehicle during propulsion on a slippery road, by preventing an abrupt change in drive torque and an occurrence of hunting of a motor. When a coefficient of friction of a road surface is equal to or lower than a threshold value, a controller calculates a target motor speed that can adjust a slip ratio of a wheel to a target slip ratio, and executes a first feedback control to motor control torque thereby adjusting a motor speed to a target speed.

METHOD FOR CONTROLLING WHEEL SLIP OF VEHICLE
20210031750 · 2021-02-04 ·

A method for controlling wheel slip of a vehicle includes: observing and estimating equivalent inertia information of a driving system in real time based on operation information of the driving system by receiving the operation information of the driving system for driving the vehicle; calculating the compensated amount for compensating a torque command of a driving device from the equivalent inertia information of the driving system observed and estimated by a controller; compensating the torque command of the driving device by using the calculated compensated amount; and performing a control of a torque applied to a driving wheel according to the compensated torque command.

METHOD FOR OPERATING AN AT LEAST SEMI-AUTOMATED MOBILE PLATFORM
20210213921 · 2021-07-15 ·

A method for operating an at least semi-automated mobile platform which includes wheels, a braking system, and an acceleration sensor that generates acceleration values. The braking system, using a holding force, cooperates with the wheels in such a way that the platform is selectively fixed in a position. Each wheel includes a rotation angle sensor that generates a signal pulse based on a rotational position of the wheel. The method includes: reducing an initial holding force of the wheels, corresponding to an initial value of a control gradient; controlling the control gradient based on the acceleration values when the rotation angle sensor of a wheel has generated a first signal pulse; increasing the holding force of at least one of the wheels corresponding to a fixation gradient when the rotation angle sensor of a set of further wheels of the wheels has generated a signal pulse, to fix the platform.

METHOD FOR OPERATING AN AT LEAST SEMI-AUTOMATED MOBILE PLATFORM
20210213921 · 2021-07-15 ·

A method for operating an at least semi-automated mobile platform which includes wheels, a braking system, and an acceleration sensor that generates acceleration values. The braking system, using a holding force, cooperates with the wheels in such a way that the platform is selectively fixed in a position. Each wheel includes a rotation angle sensor that generates a signal pulse based on a rotational position of the wheel. The method includes: reducing an initial holding force of the wheels, corresponding to an initial value of a control gradient; controlling the control gradient based on the acceleration values when the rotation angle sensor of a wheel has generated a first signal pulse; increasing the holding force of at least one of the wheels corresponding to a fixation gradient when the rotation angle sensor of a set of further wheels of the wheels has generated a signal pulse, to fix the platform.

Drive control device for vehicle with independently driven wheels
10889188 · 2021-01-12 · ·

Provided is a drive control device for a vehicle with independently driven wheels, the control device enabling the vehicle to avoid unstable behavior caused by an overrevolution of one of the drive wheels. The vehicle includes left and right motors (6, 6) that independently drive left and right drive wheels (2, 2), respectively. The control device includes: an ECU (21) to generate and output a command torque; an inverter device (22); rotation speed detection modules (34, 34) to detect the rotation speeds of the respective left and right motors (6, 6); and a control module (35) to change the command torques for the respective left and right motors (6, 6) so as to reduce the rotation speeds of the left and right motors (6, 6) when at least one rotation speed between the detected rotation speeds of the left and right motors (6, 6) exceeds a predetermined rotation speed.

Drive control device for vehicle with independently driven wheels
10889188 · 2021-01-12 · ·

Provided is a drive control device for a vehicle with independently driven wheels, the control device enabling the vehicle to avoid unstable behavior caused by an overrevolution of one of the drive wheels. The vehicle includes left and right motors (6, 6) that independently drive left and right drive wheels (2, 2), respectively. The control device includes: an ECU (21) to generate and output a command torque; an inverter device (22); rotation speed detection modules (34, 34) to detect the rotation speeds of the respective left and right motors (6, 6); and a control module (35) to change the command torques for the respective left and right motors (6, 6) so as to reduce the rotation speeds of the left and right motors (6, 6) when at least one rotation speed between the detected rotation speeds of the left and right motors (6, 6) exceeds a predetermined rotation speed.

DEVICE, METHOD, AND PROGRAM FOR TIRE FAILURE DETECTION, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING TIRE FAILURE DETECTION PROGRAM
20210001721 · 2021-01-07 · ·

A tire failure detection device includes a steering angle sensor for sensing a steering angle, a yaw rate sensor for sensing a yaw rate, and a control unit. The control unit calculates side-slip energy based on the output signal of the steering angle sensor and the output signal of the yaw rate sensor, and determines that a failure has occurred in a tire when the side-slip energy exceeds a first threshold.