B62D6/04

Apparatus and method for controlling electric power steering system

An electric power steering system includes a basic assist amount calculation section calculating a basic assist amount for assisting the manipulation of a steering wheel, and an assist compensation amount calculation section calculating an assist compensation amount for correcting the basic assist amount. The system includes an assist amount correction section calculating a corrected assist amount by correcting the basic assist amount based on the assist compensation amount, and a motor drive section driving a motor using the corrected assist amount. The assist compensation amount calculation section uses a reverse input specification that more transmits the signal components of specific frequency in road-surface input torque, to a steering wheel than in the case of using only the basic assist amount, and calculates the assist compensation amount suitable for a vehicle-state value, such as a steering torque, to suppress variation in the transmission characteristics due to variation of the vehicle-state value.

Apparatus and method for controlling electric power steering system

An electric power steering system includes a basic assist amount calculation section calculating a basic assist amount for assisting the manipulation of a steering wheel, and an assist compensation amount calculation section calculating an assist compensation amount for correcting the basic assist amount. The system includes an assist amount correction section calculating a corrected assist amount by correcting the basic assist amount based on the assist compensation amount, and a motor drive section driving a motor using the corrected assist amount. The assist compensation amount calculation section uses a reverse input specification that more transmits the signal components of specific frequency in road-surface input torque, to a steering wheel than in the case of using only the basic assist amount, and calculates the assist compensation amount suitable for a vehicle-state value, such as a steering torque, to suppress variation in the transmission characteristics due to variation of the vehicle-state value.

DYNAMICS-BASED ARTICULATION ANGLE ESTIMATOR FOR A VEHICLE COMBINATION

A system for estimating an articulation angle of a vehicle combination comprises a motion sensor for sensing one or more linear and/or angular motion quantities of the vehicle combination and a dynamics-based estimator configured to estimate state variables, including the articulation angle on the basis of the sensed motion quantities, wherein the dynamics-based estimator is dependent on one or more masses and moments of inertia of the vehicle combination.

DYNAMICS-BASED ARTICULATION ANGLE ESTIMATOR FOR A VEHICLE COMBINATION

A system for estimating an articulation angle of a vehicle combination comprises a motion sensor for sensing one or more linear and/or angular motion quantities of the vehicle combination and a dynamics-based estimator configured to estimate state variables, including the articulation angle on the basis of the sensed motion quantities, wherein the dynamics-based estimator is dependent on one or more masses and moments of inertia of the vehicle combination.

INDEPENDENT CONTROL OF VEHICLE WHEELS

An over actuated system capable of controlling wheel parameters, such as speed (e.g., by torque and braking), steering angles, caster angles, camber angles, and toe angles, of wheels in an associated vehicle. The system may determine the associated vehicle is in a rollover state and adjust wheel parameters to prevent vehicle rollover. Additionally, the system may determine a driving state and dynamically adjust wheel parameters to optimize driving, including, for example, cornering and parking. Such a system may also dynamically detect wheel misalignment and provide alignment and/or corrective driving solutions. Further, by utilizing degenerate solutions for driving, the system may also estimate tire-surface parameterization data for various road surfaces and make such estimates available for other vehicles via a network.

Vehicle behavior stabilization system

A vehicle behavior stabilization system includes a yaw moment applying device configured to apply a yaw moment to the vehicle, a vehicle behavior stabilization control unit configured to selectively control the yaw moment applying device in such a way to stabilize a vehicle behavior according to a computed rear wheel slip angle in relation to a start threshold value and an end threshold value, and a threshold value correcting unit configured to correct the start threshold value and the end threshold value according to a change rate of the computed rear wheel slip angle and/or a change rate of a computed vehicle body slip angle.

Traveling Control Device, Vehicle, and Traveling Control Method
20210394752 · 2021-12-23 ·

There is provided a traveling control device capable of appropriately performing collision avoidance by using not only a region inside a lane of an own vehicle but also a region outside the lane of the own vehicle. A traveling control device includes an acceleration calculation unit which obtains an acceleration of a target object from information of an outside recognition sensor, a behavior estimation unit which estimates a behavior of the target object from the acceleration, a TTC calculation unit which obtains a time to collision from the information of the outside recognition sensor, a determination unit which determines a risk region based on outputs of the TTC calculation unit and the behavior estimation unit, and a collision avoidance operation control unit which controls a collision avoidance operation for the target object based on a result of the determination unit.

Traveling Control Device, Vehicle, and Traveling Control Method
20210394752 · 2021-12-23 ·

There is provided a traveling control device capable of appropriately performing collision avoidance by using not only a region inside a lane of an own vehicle but also a region outside the lane of the own vehicle. A traveling control device includes an acceleration calculation unit which obtains an acceleration of a target object from information of an outside recognition sensor, a behavior estimation unit which estimates a behavior of the target object from the acceleration, a TTC calculation unit which obtains a time to collision from the information of the outside recognition sensor, a determination unit which determines a risk region based on outputs of the TTC calculation unit and the behavior estimation unit, and a collision avoidance operation control unit which controls a collision avoidance operation for the target object based on a result of the determination unit.

Operation device
11198470 · 2021-12-14 ·

A manipulating apparatus for facilitating continuously holding a manipulating unit that is under automatic manipulation is provided. Controlling the movement of the manipulating unit under automatic manipulation facilitates continuously holding the manipulating unit during automatic manipulation, and furthermore, the movement of the manipulating unit enables grasping the state of the manipulation object under automatic manipulation and intervention in manipulation under automatic manipulation.

Operation device
11198470 · 2021-12-14 ·

A manipulating apparatus for facilitating continuously holding a manipulating unit that is under automatic manipulation is provided. Controlling the movement of the manipulating unit under automatic manipulation facilitates continuously holding the manipulating unit during automatic manipulation, and furthermore, the movement of the manipulating unit enables grasping the state of the manipulation object under automatic manipulation and intervention in manipulation under automatic manipulation.