B60L15/2072

Method and device for assisting vehicle to tilt, vehicle and computer storage medium

A method for assisting a vehicle to tilt includes: receiving a first torque instruction output by a throttle assembly, and generating a second torque instruction, in which the first torque instruction is determined based on a manipulation degree applied to the throttle assembly, and the second torque instruction is determined based on attitude information of the vehicle; performing a weighted summation on the first torque instruction and the second torque instruction based on a first proportional coefficient of the first torque instruction and a second proportional coefficient of the second torque instruction to obtain a third torque instruction; and outputting the third torque instruction to a motor controller, and controlling a tilt angle of the vehicle by the motor controller based on the third torque instruction, in which the tilt angle of the vehicle is less than or equal to a target angle threshold.

SYSTEM AND METHOD OF CONTROLLING TORQUE PROVIDED WITH AN AXLE ASSEMBLY

A system and method of controlling a vehicle that has an axle assembly and a wheel. Propulsion torque and friction brake torque are simultaneously provided to the wheel with an electric motor and a friction brake, respectively, when braking and acceleration of the vehicle are both requested for a predetermined period of time.

METHOD FOR INCREASING THE POWER DURING AN ACCELERATION PROCESS OF AN ELECTRICALLY OPERATED MOTOR VEHICLE
20240042871 · 2024-02-08 ·

A method for increasing the power during an acceleration process of an electrically operated motor vehicle with at least one electrical machine includes detecting a storage request by at least one control unit and initiating an increase in the rotation speed of a rotor of the electrical machine of the motor by the control unit before an acceleration request, so that kinetic energy is stored in the rotor of the electrical machine. The acceleration request is detected by the control unit and the energy stored in the rotor of the electrical machine is released during the acceleration process.

Method of decreasing vibration during release of stop gear of vehicle

A method of decreasing vibration during release of a stop gear of a vehicle can be applied to an eco-friendly vehicle for decreasing vibration generated when a driver releases a P step of a gear lever while torsion occurs in a drive shaft of the vehicle. Reaction force torque of a driving motor is controlled so as to output reaction force that has been generated in a parking sprag by a driving motor when torsion occurs in the drive shaft after entrance of the gear lever into the P step, so as to decrease vibration generated because torsion reaction force of the drive shaft vanishes at the same time.

METHOD FOR DETERMINING PREDICTED ACCELERATION INFORMATION IN AN ELECTRIC VEHICLE AND SUCH AN ELECTRIC VEHICLE
20190337399 · 2019-11-07 · ·

Method for determining predicted acceleration information which describes a future acceleration potential of an electric vehicle having an electric motor as the drive device, which is supplied with electric power from a battery in the electric vehicle, this method including the following steps: Supplying power predictive information of the electric motor, which describes the predicted available acceleration power of the electric motor for at least one future period of time, Determining the acceleration information from the power predictive information by using a vehicle model which supplies the prevailing operating state of the electric vehicle, at least one vehicle parameter describing the acceleration possible on the basis of the acceleration power and/or using predictive path data supplied in particular by a navigation system for the period of time.

VEHICLE ELECTRIC POWER SUPPLY APPARATUS
20190305581 · 2019-10-03 ·

A vehicle electric power supply apparatus includes a first electric power supply system, a second electric power supply system, an electric power fuse, a switch, a starter relay, an occupant operated unit, a starter control unit, and a switch control unit. The switch is controlled to be in one of an electrically-conductive state and a cutoff state. The starter relay is controlled to be in one of an electrically-conductive state or a cutoff state. The occupant operated unit is operated by an occupant. The starter control unit outputs an ON signal and the switch control unit outputs an OFF signal when the occupant operated unit is operated. The ON signal allows the starter relay to be controlled in the electrically-conductive state. The OFF signal allows the switch to be controlled in the cutoff state.

Drive power control device for electric vehicle
10391884 · 2019-08-27 · ·

A drive power control device includes: a modeling error reduction unit configured to calculate a correction torque by performing high-pass filter processing on a correction amount calculated by a correction amount calculation unit; a control motor torque command value calculation unit configured to calculate a control motor torque command value by adding the correction torque to a motor torque command value; and a slip reduction control unit configured to perform, when the vehicle starts traveling or slip is detected, control to reduce slip by switching the cutoff frequency of a high-pass filter HPF to be low as compared with normal traveling.

Electric drive train with start-up support
11987135 · 2024-05-21 · ·

An electric drive train for a pure electrically operated vehicle includes an electric motor with a motor shaft and a start-up support unit mechanically connected to the motor shaft configured to convert a motor speed and a motor torque of the motor shaft into an output speed and an output torque such that the output speed is lower than the motor speed and/or the output torque is higher than the motor torque. Also, a method of operating an electric drive train during a start-up process includes increasing a start-up motor speed and a start-up motor torque of a motor shaft of an electric motor, converting the start-up motor speed and the start-up motor torque into a start-up output speed and a start-up output torque with a start-up support unit, and closing a lock-up clutch of the start-up support unit.

Method and device for charging an electric energy storage system in a vehicle
10377261 · 2019-08-13 · ·

A device/method for the control of a charge operation and the State Of Charge (SOC) of an electrical Energy Storage System (ESS), e.g. a battery, that includes a multitude of cells is provided. The ESS is electrically connected to a propulsion system of a vehicle in order to power an Electric Motor. The method includes charging the ESS from an electrical power source, e.g., the grid, when the vehicle is at standstill, stopping the charging when the SOC level of the ESS is above a maintenance limit for the SOC level of the ESS, monitoring the battery and/or performing a service operation of the ESS after the ESS has been charged to a SOC level above the maintenance limit for the SOC level of the ESS, deliberately discharging the ESS to lower the SOC level. The SOC level of the ESS is reduced to a take-off limit for the SOC level of the ESS which is set in order to allow the vehicle to be controlled to use regenerative braking for charging of the ESS under subsequent driving when the vehicle is restarted and takes off.

Speed control device of electromotive vehicle

Includes electric motor (330) driving driving wheel (610) , speed control unit (300) controlling driving of electric motor (330) based on instructed speed .sub.r*, brake control unit (400) controlling hydraulic brake (500) applying mechanical braking to an electromotive vehicle, speed sensor (340) detecting traveling speed .sub.r of the electromotive vehicle, and determination unit (200) determining whether the mechanical braking needs to be applied in response to the difference between instructed speed .sub.r* and traveling speed .sub.r, and controlling operation of brake control unit (400) based on the determination result. Determination unit (200) determines that mechanical braking needs to be applied when instructed speed .sub.r* indicates deceleration and traveling speed .sub.r is higher than instructed speed .sub.r* , and performs control so that brake control unit (400) works hydraulic brake (500).