An electric vehicle includes a traction motor, an inverter that supplies the motor with an alternating current, three current sensors that respectively measure current of each phase of the alternating current output by the inverter, the alternating current being a three phase alternating current; and a controller that controls the motor through the inverter. The controller is configured to, when one of the current sensors becomes unusable, identify the unusable current sensor while controlling the motor with a d-axis voltage command value set to zero and a q-axis voltage command value set to a non-zero value.

A system and method for locking a charging port to charge an electric vehicle that includes determining that the electric vehicle is located within a predetermined distance of a charging station and determining that the charging station issues parking citations associated with parking of the electric vehicle at the charging station without attachment of the charging port to the electric vehicle. The system and method also include determining charging of the electric vehicle and sending a command to enable a locking mechanism of the charging port to lock the charging port in place. The system and method further include completing user authentication with respect to an operator of the electric vehicle to disable the locking mechanism to ensure that the charging port is not detached by an unauthorized individual and that parking citations are not issued based on the parking of the electric vehicle at the charging station.

An integrated fuel management system can include a switching unit coupled to an electric vehicle (EV) charging station, a computer system, a first electronic unit, and a second electronic unit. The first electronic unit can be coupled to the switching unit and operable for providing state information for the EV charging station to the computer system. The second electronic unit can be coupled to a fueling station for types of vehicles that use fuel and operable for providing state information for the fueling station to the computer system. Further, the computer system can be operable for displaying the state information for the EV charging station and for displaying the state information for the fueling station.

An onboard DC charger for an electric vehicle, wherein the electric vehicle includes an electric machine and a power conversion device that is a drive circuit for the electric machine and a charging circuit for the on-board battery. The one or more electric machines of the vehicle are mounted to the body for providing locomotive energy, wherein the or each machine has a stator, a rotor mounted to the stator for rotation, and one or more windings; and a controller for operating in a first state and a second state wherein, in the first state, the controller allows current to be drawn from the DC energy source for energising at least one of the one or more windings such that the electric machine provides the locomotive energy and, in the second state, the controller controls the position of the rotor relative to the stator and allows at least one of the one or more windings to be energised to provide a charging current to the DC energy source.

To navigate an electric vehicle from a starting location to a destination, a system identifies multiple charging stations between the starting location and the destination and determining a navigation route that requires a least amount of time for the electric vehicle to travel from the starting location to the destination via one or more of the charging stations, including determining a non-linear relationship between an amount of time and an amount of charge the EV receives during the amount of time.

An electric radial flow machine having a stator, a rotor body connected to a rotor shaft, and a spring element which applies a spring force to the rotor body in the axial direction such that in a first operating position, the rotor body is held in an axial position in which the overlap between opposing surfaces of the rotor body and the stator is less than 100%. A displacement device with first and second displacement elements generates an axial movement between the rotor body and the stator against the spring force using a torque produced between the rotor shaft and the rotor body so that in the event of a rotation of the first displacement element relative to the second displacement element or vice versa, the rotor body is pushed on the rotor shaft axially against the spring force.

Method for controlling a powertrain (1) of a vehicle and a powertrain, which powertrain comprises a diesel engine (2), an electric generator (3), a generator drive (4), at least one electric motor (5, 6), at least one electric motor drive (7, 8), operator input devices (11), and a control system (12), wherein the control system (12) controls at least some of the parts of the powertrain (1) based on information obtained from the operator input devices (11) and at least one measuring signal obtained from the diesel engine (2), from the generator drive (4), and from the at least one electric motor drive (7, 8).

A method for operating an electric drivetrain of a working machine is provided wherein the drivetrain comprises a work drive with an electric work motor and a travel drive with an electric travel motor and vehicle wheels, wherein the working machine experiences a speed deceleration from the outside that may result in a braking force acting on the vehicle wheels lower than a driving force acting on the vehicle wheels due to a moment of inertia of the travel motor. The method includes supplying the travel motor with a power in a direction opposite to an operating direction of the travel motor in order to reduce a rotational speed of the travel motor, if it is detected in advance using a situation detection that the braking force acting on the vehicle wheels as a result of the speed deceleration is lower than the driving force acting on the vehicle wheels.

An example operation includes one or more of initiating, by a transport, a request to provide a first portion of stored energy to a charging station, determining, by the charging station, an actual amount of energy needed by the transport, wherein the determining is based on a first destination of the transport and on data received by the charging station based on a route associated with the first destination, wherein the actual amount of energy is not the same amount as the first portion of stored energy, and depositing, by the transport, the actual amount of energy in the charging station.

A four-wheel drive system with boosting operation includes: a battery; a voltage boosting device; a front wheel drive unit connected parallel to the battery via the voltage boosting device and including a first motor generator and a first inverter; and a rear wheel drive unit connected parallel to the battery bypassing the voltage boosting device and including a second motor generator and a second inverter. An output power of front wheel drive unit is higher than an output power of rear wheel drive unit, and the output power of rear wheel drive unit is higher than a boosted output power of voltage boosting device. The control method of four-wheel drive system with boosting operation includes controlling the front and rear wheel drive units such that an output power flowing through the voltage boosting device does not exceed a rated boosted output power of voltage boosting device.