A magnetic wheel driving device and a driving method using the same. The magnetic wheel driving device includes a vehicle body, a guide rail system, at least two magnetic wheel systems and a power system. The guide rail system includes two conductor plates, respectively arranged at two sides of the vehicle body. The at least two magnetic wheel systems are symmetrically arranged at two side walls of the vehicle body. A gap is provided between each magnetic wheel system and the corresponding conductor plate. The power system is configured to drive the at least two magnetic wheel systems to rotate.

A regenerative braking control system of an AWD (all-wheel-drive) hybrid vehicle including a front wheel HEV (hybrid electric vehicle) powertrain and a rear wheel EV (electric vehicle) powertrain is provided. The control system includes a manipulating instrument mounted to a steering wheel for manual shifting and regenerative braking control by a driver's manipulation, and a controller for adjusting a regenerative braking amount and controlling a shift pattern of each of a front wheel motor of the front wheel HEV powertrain and a rear wheel motor of the rear wheel EV powertrain by receiving a (−) or (+) manipulation signal or a hold manipulation signal of the manipulating instrument.

An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low voltage device, and regulate the total power to the low voltage storage device and the high voltage storage device based on the determination.

The present disclosure relates to security mechanisms for electric motors and associated systems. For example, the present technology includes a powertrain assembly having (1) a motor having multiple sets of coils; (2) a drive circuitry electrically coupled to the multiple sets of coils; and (3) a security unit electrically coupled to the drive circuitry and the multiple sets of coils. The security unit is configured to short-circuit at least one set of the multiple sets of coils responsive to a signal from a controller. The signal indicates that the motor is, or has been, turned off.

A method for controlling an electric motor as a drive motor of a bicycle. The method includes: a sensor-based detection of pushing of the bicycle by the user; acquiring an input of a user for activating the push-assistance operating mode, the acquisition taking place as a function of the detected pushing of the bicycle; and generating a motor torque for driving the bicycle in the push-assistance operating mode as a function of the detected pushing and the acquired input of the user.

A method includes determining whether a multiphase electric machine is unstable. The method also includes, in response to a determination that the multiphase electric machine is unstable, setting a gate voltage of a first three terminal semiconductor switch to zero. The method also includes, in response to a determination that the multiphase electric machine is stable, setting the gate voltage of the first three terminal semiconductor switch to nonzero. The method also includes, in response to the first three terminal semiconductor switch being set to zero, increasing electrical conduction from one phase of the multiphase electric machine to another phase of the multiphase electric machine. The method includes, in response to the first three terminal semiconductor switch being set to nonzero, increasing electrical resistance from the one phase of the multiphase electric machine to the another phase of the multiphase electric machine.

A power calculation apparatus calculating an amount of power suppliable to a power system by an energy source connectable, at a connection point, to the power system and capable of power generation and power storing, the power calculation apparatus includes: a microprocessor and a memory connected to the microprocessor, wherein the microprocessor is configured to perform: specifying a position of the connection point of the energy source in connection with the power system; acquiring a capacity information indicating a power generation capacity or a remaining storage capacity of the energy source; and calculating an amount of power suppliable by the energy source to the power system in an area within a predetermined range including the connection point, based on the capacity information and the position of the connection point.

A power management system includes a plurality of power storages and a server. The server includes a selector that selects at least one of the plurality of power storages, a scheduler that makes a schedule for the selected power storage, and a request processor that requests a user of the selected power storage to promote external charging, suppress external charging, or carry out external power feed in accordance with the made schedule. The server obtains power run-out information that indicates power run-out risk for each power storage and carries out at least one of selection of the power storage and making of the schedule in accordance with a type of a request based on the obtained power run-out information.

Methods, systems, devices and apparatuses for a vehicle control system. The vehicle control system includes a memory. The memory is configured to store multiple charging events that activate multiple charging plans. The vehicle control system includes a navigation unit that is configured to obtain a current location of the vehicle. The vehicle control system includes an electronic control unit. The electronic control unit is configured to determine that the vehicle is within a threshold distance of the first charging event. The electronic control unit is configured to control an operation of the vehicle to prepare the vehicle to charge or discharge the battery based on a first charging plan when the vehicle is within the threshold distance of a first charging event.

Methods and devices are provided for online optimization of the axle distribution strategy in a battery electric vehicle (BEV) with more than one drive axle.