Discussed is a battery system including a battery; a first main relay connected between one electrode and a first output terminal of the battery; a pre-charge relay connected to the first main relay in parallel; a second main relay connected between another electrode and a second output terminal of the battery; and a battery management system controlling charging and discharging of the battery, and controlling the first main relay, the pre-charge relay, and the second main relay, wherein the battery management system opens the first main relay, the pre-charge relay, and the second main relay when a received power voltage is a predetermined reference voltage or less, closes the pre-charge relay and the second main relay to execute a pre-charge when the power voltage is higher than the reference voltage, and closes the first main relay after the pre-charge is completed.

There is provided an air supply system and method for a fuel cell, the air supply system includes an air supply device configured to reduce a temperature of compressed air using heat exchange air and to provide the cooled air as power generation air to a fuel cell stack, and an indoor temperature adjustment device configured to provide external air as the heat exchange air to the air supply device or to cool the external air to provide the cooled external air as the heat exchange air to the air supply device, based on operation control information.

A method and a control device determine a position-related braking ability of a vehicle. A first vehicle determines at least one piece of position-related information of a route section, the at least one piece of position-related information of the route section being information relating to the braking ability on the route section. The first vehicle transmits the at least one piece of position-related information to a receiver, the receiver being at least one second vehicle, whereby the braking curves of at least one rail vehicle are adapted according to the situation, thus allowing safety on the route section and the utilization of the section to be improved.

A motor controller includes an atmospheric pressure sensor, a coil temperature sensor, and a voltage sensor configured to detect a voltage applied to a motor. The motor controller calculates a partial discharge inception voltage in accordance with the atmospheric pressure and the coil temperature, limits an output of the motor in response to the coil temperature exceeding a preset coil temperature upper limit value, and reduces the coil temperature upper limit value in response to a voltage exceeding the partial discharge inception voltage.

An energy conversion device is provided. The device includes: a reversible pulse width modulation (PWM) rectifier (11) and a motor coil (12), where the motor coil (12) includes at least a first winding unit and a second winding unit, and the first winding unit and the second winding unit are both connected with the reversible PWM rectifier (11). The first winding unit is connected with at least one of neutral lines in the second winding unit, where at least one neutral line of at least one of the winding units is connected with a first end of a first direct current (DC) charging and discharging port (3), the reversible PWM rectifier (11) is connected with a first end of a external battery (2) and a second end of the external battery (2) respectively, and a second end of the first DC charging and discharging port (3) is connected with the second end of the external battery (2).

A system for communicating at least a pre-charging datum for an electric vehicle, the system including an electric aircraft, wherein the electric aircraft comprises, a sensor, wherein the sensor is configured to detect a connection with a charging connector, at least a battery pack, wherein the at least a battery pack including a plurality of battery cells, an aircraft recharging component, the aircraft recharging component including an aircraft side recharging component, wherein the aircraft side recharging component is configured to form a charge connection with the charging connector, a controller, wherein the controller is configured to generate a battery parameter set as a function of the connection with the charging connector, and transmit the battery parameter set to the charging connector.

A method for discharging at least one battery cell of a battery for a motor vehicle in the event of at least one specific detected fault concerning the battery. The specific fault is detected and, depending on the detection of the fault, an emergency discharge process for at least partially discharging the at least a battery cell is initiated. In doing so, the at least one battery cell is at least partially discharged during the emergency discharge process via at least one on-board electrical consumer of the motor vehicle external to the battery and/or a power supply system external to the motor vehicle.

The present disclosure provides a battery pack control method, a system and a vehicle, wherein the vehicle includes a battery sensor, a heating module and a cooling module; when the vehicle is in a powered-off state, a battery sensor is firstly used to detect the current battery temperature value of the battery pack and the current state of the thermostatic control function of the battery pack; and when the current temperature value of the battery pack is out of a preset range and the thermostatic control function of the battery pack opens, the vehicle is waken up, and then the battery pack is thermostatic controlled, so that the temperature of the battery pack is maintained within the preset range, which facilitates the restarting and use of the vehicle.

Advanced vehicle control systems are disclosed. Within a vehicle system having several subsystem controllers dedicated to separate tasks in the vehicle, the subsystem controllers may use supplied control parameters. In this context, a centralized optimization unit is configured to receive prediction data, determine, within a prediction horizon, a modification to at least one supplied control parameter using the prediction data; and communicate the modification to the at least one supplied control parameter to at least one subsystem control unit.

Aspects of the present disclosure are directed to systems, devices, methods, and computer-readable storage medium for adaptive/dynamic thermal management of an electrical power system having variable electric loads, and components thereof. Thermal management may be driven at least partially by predicted/modeled thermal performance of the component to be managed, which may be calculated or modified using direct or indirect measurements. Embodiments may include adaptive thermal management of at least one of an energy storage system and an electric energy supply. Applications of this disclosure may include adaptive thermal management method for electric vehicles and non-mobility applications, particularly having variable electrical loads, which may impact performance or life of the application.