B60T8/17551

Braking System

A vehicle braking system including a control unit (340) which is operable to communicate with at least one sensor (320, 350), the sensor (320, 350) being operable to provide signals corresponding to a characteristic of a vehicle to the control unit (340), and the control unit (340) being in communication with a brake demand source (300) to receive brake demand data, and the control unit (340) also being in communication with a plurality of wheel end units, each wheel end unit including a brake torque control unit (310) which is operable to control an associated brake actuator to apply a braking torque dependent upon a signal received from the control unit (340).

BRAKE FORCE MODULATION TO ENABLE STEERING WHEN STATIONARY

An articulated work machine includes a frame assembly having a front portion and a rear portion; an articulation joint connecting the front and rear portions and adapted to allow pivotal movement about the articulation joint by the front and rear portions; a plurality of front wheels attached to the front portion and a plurality of rear wheels attached to the rear portion; a brake associated with each of the front wheels and rear wheels; a steering sensor adapted to provide a steering signal from a steering mechanism of the articulated work machine; and a controller adapted to receive the steering signal, and wherein when a braking force is applied to the front and rear wheels when the controller receives the steering signal, the controller produces a signal to modulate the braking force to allow the front portion and rear portion of the machine to articulate without the machine moving forward.

Vibration damping control apparatus for vehicle
10843697 · 2020-11-24 · ·

A vibration damping control apparatus which has a control unit that calculate a pitch damping driving torque based on a pitch angular velocity of a vehicle body, and control an engine based on at least the pitch damping driving torque. The control unit stores a vehicle speed corresponding to a phase difference of 180 in a relationship between a phase difference and a vehicle speed as an upper limit reference vehicle speed, the relationship being derived by obtaining phase characteristic of a wheelbase filter function for various vehicle speeds and obtaining a relationship between the phase difference of vertical displacements of the vehicle body at positions of front and rear wheels and a vehicle speed with respect to a pitch resonance frequency of the vehicle, and reduces the pitch damping driving torque when a vehicle speed is not higher than the upper limit reference vehicle speed.

PARKING BRAKING FORCE-ASSOCIATED REMOTE START-UP METHOD AND REMOTE START-UP SYSTEM OF MANUAL TRANSMISSION VEHICLE
20200361431 · 2020-11-19 ·

A remote start-up method of a manual transmission vehicle is provided. The method includes a parking braking force-associated remote start-up control that remotely starts-up an inclined parking vehicle parked on a ramp by confirming a situation where the parking braking force is maintained by a braking hydraulic pressure control of an electronic stability control (ESC) system in a remote start-up controller.

Vehicle control system and controlling method thereof

Disclosed herein are a vehicle control system and controlling method thereof. The vehicle control system includes a plurality of sensors configured to measure a wheel speed, a steering angle, a yaw rate, and acceleration value, and a controller estimating the state of a vehicle based on the wheel speed, the steering angle, the yaw rate, and the acceleration value and updating a front and rear wheel stiffness of the vehicle when it is determined that the vehicle is running on an asymmetric friction surface from the estimated state of the vehicle.

Driving adjustment for vehicle loading

A computer includes a processor and a memory storing instructions executable by the processor to determine at least one of a vehicle pitch or a longitudinal center of gravity from data measured while deactivating a first brake for a first axle and applying a second brake for a second axle, and operate the vehicle based on the at least one of vehicle pitch or longitudinal center of gravity. The instructions may further include to determine a vehicle weight from the data, and operate the vehicle based on the vehicle weight.

SYSTEM AND METHOD FOR DYNAMIC BRAKE CALIBRATION
20200339095 · 2020-10-29 ·

A control system for a vehicle having vehicle wheels comprises: brakes, wherein each of the brakes applies individual braking to a respective one of the vehicle wheels; memory storing brake characteristic parameters for controlling each of the brakes; and a processor configured to: calculate anticipated yaw, steering torque, and deceleration of the vehicle, associated with operation of the brakes; compare between the anticipated yaw and actual yaw of the vehicle, between the anticipated steering torque and actual steering torque of the vehicle, and between the anticipated deceleration and actual deceleration of the vehicle; and calibrate the brakes by adjusting the stored brake characteristic parameters of each of the brakes in response to a yaw difference between the anticipated yaw and the actual yaw, a steering torque difference between the anticipated steering torque and the actual steering torque, and a deceleration difference between the anticipated deceleration and the actual deceleration.

Regenerative vehicle braking with wheel slip control and yaw stability control

Methods and systems are provided for operating a hybrid vehicle during operating conditions where vehicle braking is requested. In one example, regenerative braking is allocated to vehicle wheels responsive to actual and estimated vehicle yaw. Additionally, friction braking torque is allocated to vehicle wheels responsive to requested braking torque and regenerative braking torques.

Vehicle motion detecting apparatus
10793132 · 2020-10-06 · ·

The present invention provides a vehicle motion detecting apparatus that can satisfy a required detection accuracy with a simple architecture and at a low cost, and also maintain reliability of an applied external apparatus. The vehicle motion detecting apparatus 100 of the present invention has a motion detecting section 10 that detects a motion of a vehicle and a malfunction detecting section 20 that detects a malfunction of the motion detecting section 10, and is characterized in that the motion detecting section 10 is a 6-axis inertial sensor as the first multi-axis inertial sensor that is capable of detecting accelerations in directions of three axes and angular velocities about three axes.

Vehicle braking device

The vehicle braking device performs a control which makes an actual value of physical quantity associated with a braking force follow a target value thereof when the actual value is outside a dead zone and a control which suppresses a change of the actual value when the actual value is within the dead zone and includes a judging portion which judges whether or not the actual value passes through the dead zone with a value beyond the upper limit threshold value and a setting portion which sets a second upper limit threshold value more closely approximated than a first upper limit threshold value when the actual value is judged not to pass through the dead zone, as the upper limit threshold value, when the actual value is judged to pass through the dead zone by the judging portion.