A method of controlling a drive system torque of an electric vehicle for generating a torque by evading a backlash band to prevent the occurrence of backlash in the drive system includes determining, by a controller, whether a plurality of predetermined entry conditions for entering a responsiveness priority mode of the vehicle are satisfied in a predetermined order based on vehicle driving information in a state in which control of a power priority mode is performed, and transitioning, by the controller, a mode to the responsiveness priority mode when it is determined that the plurality of entry conditions are sequentially satisfied and performing control of the responsiveness priority mode.

A control unit for a vehicle having an active steering system capable of changing a steering gear ratio between a steering angle of a steering wheel and a tire steering angle includes a steering turning assist controller and a left-right driving force controller. The steering turning assist controller controls the steering gear ratio so that a yaw rate generated by the vehicle becomes a target yaw rate to assist a turning of the vehicle. The left-right driving force controller controls, in the left and right electric drive wheels which each add a yaw moment to a vehicle body independently of a steering system and are able to be independently driven, driving forces of the electric drive wheels so that the yaw rate generated by the vehicle becomes the target yaw rate based on a roll of the vehicle.

A vehicle driving force control apparatus is mounted in a vehicle provided with a plurality of drive sources, and a plurality of power transmission mechanisms configured to transmit power from the plurality of drive sources to a plurality of wheels or a plurality of sets of wheels. The vehicle driving force control apparatus includes: a ratio determination unit and a command unit. The ratio determination unit determines a target ratio at which a required driving force applied to the vehicle is to be distributed to the plurality of wheels or the plurality of sets of wheels. The command unit commands the plurality of drive sources to output power such that driving force distributed in accordance with the target ratio is generated in the plurality of wheels or the plurality of sets of wheels.

An electric motor control unit for controlling the operation of an electric motor. The unit comprises: an electric motor controller comprising a processor having at least one input and at least one output, wherein an output of the processor is coupled to a power provider for controlling power to an electric motor; a tilt accelerometer system comprising a tilt accelerometer for determining a measure of the tilt of the electric motor unit relative to a reference orientation, wherein the tilt accelerometer system comprises an output for providing a signal based on the determined measure of the tilt; wherein the output of the tilt accelerometer system is coupled to an input of the processor of the electric motor controller; wherein the power provider comprises a power output for controlling the operation of an electric motor based on the output of the tilt accelerometer system.

The present invention improves emergency evasion performance. An operation control system for a vehicle that is provided with a risk-potential determining unit that determines the risk potential of a vehicle on the basis of external environment information and/or vehicle information, a friction braking unit that applies friction braking force to the vehicle, and a regenerative braking device that applies regenerative braking force to the vehicle, the operation control system being provided with a control value determining unit that determines a first control value that is for determining the size of the friction braking force and determines a second control value that is for determining the size of the regenerative braking force. The control value determining unit determines at least the first control value on the basis of the risk potential determined by the risk-potential determining unit.

An object of the present invention is to provide a vehicle control apparatus and a vehicle control method capable of improving traceability when a speed reduction torque is applied. A vehicle control apparatus according to the present invention is configured to calculate the speed reduction torque to be generated on a vehicle based on an accelerator operation state and a front wheel slip angle. More specifically, when being brought into a turning state while a coasting torque is applied, the vehicle control apparatus makes a correction so as to reduce an absolute value of the coasting torque, thereby improving the traceability and the drivability.

An electric vehicle may comprise a board including first and second deck portions each configured to receive a left or right foot of a ride, a wheel assembly disposed between the deck portions and including a ground-contacting element, a motor assembly mounted to the board and configured to rotate the ground-contacting element around an axle to propel the electric vehicle, at least one sensor configured to measure orientation information of the board, and a motor controller configured to receive orientation information measured by the sensor and to cause the motor assembly to propel the electric vehicle based on the orientation information. The electric vehicle may include exactly one ground-contacting element, and the motor may be a hub motor.

A rotatable LIDAR device including contactless electrical couplings is disclosed. An example rotatable LIDAR device includes a vehicle electrical coupling including (i) a first conductive ring, (ii) a second conductive ring, and (iii) a first coil. The example rotatable LIDAR device further includes a LIDAR electrical coupling including (i) a third conductive ring, (ii) a fourth conductive ring, and (iii) a second coil. The example rotatable LIDAR device still further includes a rotatable LIDAR electrically coupled to the LIDAR electrical coupling. The first conductive ring and the third conductive ring form a first capacitor configured to transmit communications to the rotatable LIDAR, the second conductive ring and the fourth conductive ring form a second capacitor configured to transmit communications from the rotatable LIDAR, and the first coil and the second coil form a transformer configured to provide power to the rotatable LIDAR.

A method for determining an optimized torque distribution to the wheels of a road vehicle comprising the steps of determining a table of distribution of the torque between a front axle and a rear axle; determining a second table and a third table of distribution of the torque between a right wheel and a left wheel of the rear axle and of the front axle, respectively; detecting the current longitudinal dynamics; using the first, the second and the third table to determine a current value of the first, of the second and of the third distribution factor, respectively, based on the current longitudinal speed and on the current longitudinal acceleration of the road vehicle.

A trailer includes a battery and an axle or a tandem axle with wheels driven by way of electric motors. The battery supplies electricity to the electric motors during trailer travel, and a sensor detects forces on a coupling of the trailer in at least one of the following directions: longitudinal direction of the trailer and/or transverse direction of the trailer and/or perpendicular direction, and a controller controls the electric motors, so that a minimum and/or a maximum limit value is adhered to.