An electric vehicle includes a first instructor operated by a first operator; a second instructor operated by a second operator; a third instructor performing an instruction of deceleration or stop by determining a possibility of collision; a controller for selecting one of instructions from the first instructor, the second instructor, and the third instructor; and a driver driving according to the instruction from the controller, in which in a case of receiving the instructions from at least the first instructor and the third instructor, the controller preferentially selects the instruction from the third instructor to the instruction from the first instructor.

A method for protecting a motor from overloading includes: acquiring a present effective value of a phase current of a motor; performing time integration on the present effective value of the phase current, to obtain a first integral value; obtaining a first threshold; performing overload detection according to the first threshold and the first integral value; determining a target limiting current for operation of the motor if an overload occurs; and controlling the operation of the motor based on the target limiting current.

An electric vehicle for a race, including a drive wheel, an electric motor linked to the drive wheel, a battery that supplies power to the electric motor, a remaining battery level detection unit that detects a remaining level of the battery, a control unit that controls the electric motor, and a throttle operator that is connected to the control unit and is operated by a rider when the rider adjusts an output of the electric motor. The control unit includes a motor control section that controls the output of the electric motor based on an amount of operation of the throttle operator, a power consumption rate calculation section that calculates a power consumption rate of the electric motor after a start of the race, and a travelable time estimation section that estimates a travelable time based on the remaining level and the power consumption rate.

Various systems and methods associated with protecting a rider of an electric bicycle from hazards while riding their bicycle are described. In some embodiments, the systems and methods enhance the safety of the rider in response current detected conditions surrounding the rider, such as conditions associated with the route or path traveled by the rider, other vehicles within the route or path traveled by the rider, potential hazards within the route or path traveled by the rider, environmental conditions through which the rider is traveling, and so on.

Various systems and methods associated with protecting a rider of an electric bicycle from hazards while riding their bicycle are described. In some embodiments, the systems and methods enhance the safety of the rider in response current detected conditions surrounding the rider, such as conditions associated with the route or path traveled by the rider, other vehicles within the route or path traveled by the rider, potential hazards within the route or path traveled by the rider, environmental conditions through which the rider is traveling, and so on.

A vehicle control apparatus includes a detection section, a control section. The detection section is configured to detect vehicle information including a vehicle speed of a vehicle driven by an electric motor and drive torque of the electric motor. The control section is configured to moderate a rate of increase in the drive torque at the time of acceleration with respect to a rate of increase set in advance on the basis of a detection result of the detection section on condition that the vehicle speed of the vehicle is less than or equal to a predetermined speed and the drive torque is greater than or equal to a predetermined threshold.

Solar tracker waterless cleaning system for cleaning solar tracker solar panels, the solar tracker being able to be positioned at a pre-determined angle, the system including a docking station and an autonomous robotic cleaner (ARC), the ARC including at least one rechargeable power source, at least one cleaning cylinder and a controller, the controller including a 6-axis motion sensor, the 6-axis motion sensor including an accelerometer and an electronic gyroscope, the docking station including at least one electrical connector for recharging the power source, the cleaning cylinder for cleaning dirt off of the solar tracker without water, the 6-axis motion sensor for determining an angle of the solar tracker and a heading of the ARC, wherein the ARC anchors in the docking station and cleans the solar tracker positioned at the pre-determined angle and wherein the 6-axis motion sensor is used for navigating the ARC over the solar tracker surface.

A system for controlling powertrain of an electric vehicle, comprising: a driver recognition module, configured for determining the identity information of the controlled vehicle's driver, and uploading the identity information to a backend computing unit; the backend computing unit, located at a remote end of the controlled vehicle, configured for generating a first control information based on the driver's identity information; an assist control module, configured for generating a second control information based on the information related to current driving of the controlled vehicle which is acquired from the backend computing unit; and a control information application module, integrated in the controlled vehicle, configured for applying the first and second control information to the powertrain of the controlled vehicle. Optimized control for powertrain is achieved and an excellent user experience is provided. The system can be implemented simply, and be updated and maintained conveniently.

A torque control method for controlling torque of a motor, comprises detecting request of speed control requested from a driver by using a sensor, calculating a request torque based on the request, performing, controlling torque generated at the motor based on the request torque, when the request torque is smaller than a predetermined torque threshold value, a coast traveling control for setting the request torque to zero and controlling the motor based on the request torque which is set to zero.

Systems and methods for charging an electric bus having a charging interface on its roof may include determining that an approaching bus is supposed to be charged at the charging station, lowering the charging head of the charging station to land on the roof of the bus, and moving the bus with the charge head on its roof to engage the charging head with the charging interface.