A performance learning system and method is provided for a utility vehicle. The performance learning system includes a propulsion system, a plurality of sensors disposed on the vehicle and capable of acquiring operational data associated with the vehicle, a processor, and a memory configured to store historical operational data. The processor can be configured to receive the operational data from the sensors, generate and transmit a command to control the propulsion system based on the operational data and the historical operational data, and update the historical operational data based on the operational data. The operational data may include characteristics associated with one or more of an operator of the vehicle or an operating environment of the vehicle. The systems and methods may optimize the performance of the utility vehicle for particular environments and conditions in which the utility vehicle is being operated and increase operator satisfaction.

A system variably controls braking energy regeneration in a vehicle by reflecting a compensation torque depending on a difference in deceleration based on a road gradient when the vehicle travels over a downhill section or an uphill section of a road. The system includes a longitudinal sensor to receive the road gradient and compare the road gradient to a specific grade, and then compensate for the road gradient using a grade resistance value and a deceleration based value depending on a difference between deceleration manually set by a driver using a paddle shift and an actual vehicle deceleration. The system may include a controller to output a coasting torque as a correction torque that is a sum of the grade resistance value and the deceleration based value.

An electric wheelchair control system is adapted to control a wheelchair and comprises a sensing assembly, an inertial sensor, a controller, a motor driver, and a three-phase AC motor. The sensing assembly is configured to detect an external force applied to the wheelchair and generate a first sensed signal based thereon. The inertial sensor is configured to detect an inclination of the wheelchair and generate a second sensed signal based thereon. The controller selectively outputs a PWM braking signal to the motor driver according to the first sensed signal and the second sensed signal, and the PWM braking signal includes an upper arm braking signal and a lower arm braking signal, wherein the upper arm braking signal and the lower arm braking signal have the same duty cycle and when the upper arm braking signal is at a high level, the lower arm braking signal is at a low level.

A method of controlling a brake lamp of a vehicle including an electric motor as a power source includes determining whether gear shifting is required and whether there is a forward section with a suddenly changing slope when regenerative braking is performed through the electric motor without manipulation of an accelerator pedal or a brake pedal, delaying the gear shifting until the gear shifting exceeds a gear-shifting limit when the gear shifting is required and when there is the forward section with the suddenly changing slope, calculating acceleration based on regenerative braking torque while the gear shifting is delayed, and controlling the brake lamp based on the calculated acceleration.

A system for providing a movement assistance to an electric cycle is provided. The system includes circuitry communicatively coupled to an electronically-actuated driving mechanism and a sensor system of the electric cycle. The circuitry receives sensor information associated with the electric cycle through the sensor system and determines an inclination of the electric cycle with respect to an inclination-reference based on the received sensor information. The circuitry further determines occupancy information associated with a seat of the electric cycle based on the received sensor information. Based on the determined inclination and the determined occupancy information, the circuitry controls the electronically-actuated driving mechanism to drive at least one wheel of the electric cycle.

An electric power assist system generates an appropriate level of assist power while an electric assist vehicle is running on a slope and includes an electric motor that generates an assist power to assist human power of a rider of the electric assist vehicle, a controller that controls a magnitude of the assist power to be generated by the electric motor, and an acceleration sensor that outputs an acceleration signal representing an acceleration in a travel direction of the electric assist vehicle. The controller acquires speed information representing a running speed of the electric assist vehicle based on an external signal, detects an inclination angle of a road surface based on the speed information and the acceleration signal, and causes the electric motor to generate an assist power of a magnitude in accordance with the inclination angle.

A control apparatus of an electric vehicle including a motor capable of outputting a vehicle driving force that is a driving force acting on the electric vehicle, and a brake device configured to generate a vehicle braking force that is a braking force acting on the electric vehicle in accordance with a brake operation performed by a driver, includes: a controller. The controller is configured to start a first hill-hold control for maintaining the electric vehicle in a stopped state by using the vehicle driving force generated by the motor as a stopping force for stopping the electric vehicle when the brake operation is interrupted.

A power control system may include at least one of batteries, a motor, and a data logic analyzer that can interpret certain variable conditions of a transport, such as a tractor trailer, moving along a road or highway. The data can be used to determine when to apply supplemental power to the wheels of a trailer to reduce fuel usage. One example device may include at least one of a power source affixed to a trailer to capture energy from movement of an axle of the trailer, and a motor powered by the power source to operate and provide movement assistance to the axle.

A method for operating a motor vehicle, which is equipped with a plurality of wheels and with a plurality of electric machines. Each electric machine can be coupled to at least one wheel and be operated in a plurality of operating modes. The respective electric machines perform rotations in a first engine operating mode in a first direction of rotations. Electric energy is converted to mechanical energy. The at least one wheel is rotated in a forward direction, whereby the vehicle is driven with the at least one wheel. The respective electric machines perform rotations in a second generator operating mode in a second direction of rotations, which is opposite to the first direction of rotations, whereby electric energy is converted to mechanical energy.

A hill descent system for a vehicle and a control method thereof comprising: wheels; wheel speed sensors used for detecting the speeds of the wheels; motors used for selectively driving or braking the wheels; a motor controllers, for controlling the working states of the motors; resolver sensors for detecting the rotational speeds of the motors; and a vehicle control unit for determining the actual downhill speed of the vehicle and adjusting the working states of the motors to control the descent of the vehicle.