Abstract: A power system includes a power converter configured to couple between a power source and a battery assembly having battery modules with different chemistries. The power converter includes at least one branch having an inductance. The power system further includes a switching device coupled between the at least one branch of the power converter and a node between the battery modules, and a control module configured to selectively control the switching device to cause the power converter to operate in a first mode in which the branch of the power converter is coupled across the battery assembly and a second mode in which the branch of the power converter is coupled to the node between the battery modules of the battery assembly. Other example power systems and control methods are also disclosed.

Abstract: An outlet power architecture for a vehicle includes a power source and a direct current to alternating current (DC-AC) converter coupled to the power source. The DC-AC converter includes a plurality of switches and a first capacitor and a second capacitor operably coupled to the plurality of switches.

Abstract: A handheld object recognition method includes obtaining location information of each of one or more detected objects in a to-be-recognized image; obtaining a first label of each detected object indicating a type of the detected object, wherein the type of the detected object is used to represent a handheld relationship of the detected object; obtaining a handheld object from the one or more detected objects based on the first label; and obtaining a recognition result of the handheld object in the to-be-recognized image based on the location information of the handheld object.

Abstract: Provided is a power control system and method for providing power from a first power source to an outlet while a battery is simultaneously being charged by the first power source. The first power source transmits electric power at a predetermined voltage and phase to an onboard charging control module which regulates the power to charge a battery. The power control system includes a third inverter configured to transmit the electric power directly from the first power source to the outlet in one of a plurality of phases. The system may further include a rectifier, a first inverter and a second inverter. The rectifier is coupled to the first power source and transmits power from the first power source to the third inverter. The first inverter and the second inverter are configured to charge the battery with a direct current.

Abstract: A method includes coupling a charge port to an inverter and an alternating current (AC) electric motor. The method also includes performing field-oriented control (FOC) for controlling the inverter and the electric motor for converting AC power received from the charge port to first direct current (DC) power and charging a DC battery pack using the first DC power. Charging the DC battery pack using the first DC power may include converting, using a DC-to-DC converter, the first DC power to second DC power, and charging the DC battery pack using the second DC power.

Abstract: Provided is a power control system, for providing power to a load and a battery from a first power source. The first power source transmits electric power at a predetermined voltage to an onboard charging control module which regulates the power to charge a battery. The onboard charging module is configured to process the electric power from the first power source to charge the battery. A splitter module is interposed between the first power source and the onboard charging control module. The splitter module is configured to direct electric power from the first power source to the load. Accordingly, power may be supplied to load while the battery is being charged.

Abstract: Provided is a power control system, for providing power to an outlet and a battery from a first power source. The first power source transmits electric power at a predetermined voltage and phase to an onboard charger module which regulates the power to charge a battery. The power control system includes a splitter module interposed between the first power source and the onboard charger module, the splitter operable to provide transmit electric power in one of a plurality of phases.

Abstract: A battery charging system for an electric vehicle including an electric motor having a first stator winding having a variable number of poles, a second stator winding having a first fixed number of poles and a rotor winding having a second fixed number of poles, wherein the first fixed number of poles is not equal to the second fixed number of poles, wherein the variable number of poles is equal to the first fixed number of poles during a charging operation of the battery in response to the alternating current.

Abstract: An electric vehicle includes a drive system which operates a method of transferring power between the vehicle and an external power grid. The drive system includes a battery, a rectifier, and a processor. The processor is configured to connect the rectifier between an alternating current (AC) port of an outlet of an external power grid and the battery, the rectifier configured to convert between an AC power at the AC port on a grid side of the rectifier and a direct current (DC) power at a vehicle side of the rectifier in order to transfer power bi-directionally between the external power grid and the battery.

Abstract: A power transfer system includes a traction battery pack, a power inverter module configured electrical communication with the traction battery pack, and a rotary electric machine. The rotary electric machine is in electrical communication with the alternating current bus and includes a first set of windings in electrical communication with the alternating current bus and a second set of winding in electrical communication with an output alternating current bus. A power outlet in electrical communication with the second set of windings through the output alternating current bus. A controller in electrical communication with the power inverter module. The controller is configured to selectively direct the power inverter module to direct the alternating current through the alternating current bus to the rotary electric machine to generate a desired output power at the power outlet.

Abstract: An example energy storage system for an electric vehicle includes a first battery pack having a first energy storage chemistry, which is electrically coupled in series with a second battery pack having a second energy storage chemistry. A charging circuit is electrically coupled with the first battery pack and the second battery pack, and includes multiple switches and a direct current (DC)-DC controller configured to obtain a current temperature of the battery packs, in response to the current temperature being below a low temperature threshold value, operate the multiple switches in an alternating current (AC) heating mode to increase a temperature of at least one of the battery packs, and in response to the current temperature being above a high temperature threshold value, operate the multiple switches in an energy movement mode to modify a state of charge (SOC) value of at least one of the battery packs.

Abstract: An induction rotor assembly is provided. The induction rotor assembly includes a laminated stack, a plurality of foils, a plurality of conductor bars, a first end ring, and a second end ring. The laminated stack includes a body with an outer circumferential surface with a plurality of grooves extending from the first end to the second end. Each one of the plurality of foils is disposed within one of the grooves. Each of the foils is disposed between each of the conductor bars and each of the grooves. Each of the plurality of conductor bars includes a first conductor end and a second conductor end. The first end ring mates with a surface of each first conductor end. The second end ring mates with a surface of each second conductor end, and the plurality of conductor bars extends between the first end ring and the second end ring.

Abstract: Examples described herein provide a circuit that includes a power electronics converter disposed in a vehicle, the power electronics converter to receive alternating current (AC) electrical power from an AC grid source and to provide AC electrical power to an AC load external to the vehicle. The power electronics converter includes an AC-AC converter that includes a rectifier and an inverter, the rectifier being electrically connected to the inverter by a direct current (DC) link. The circuit further includes an on-board charging module electrically connected to the power electronics converter and a battery disposed in the vehicle. The power electronics converter provides vehicle-to-load functionality by providing, to the AC load, AC electric power as an output of at least one of a 120 Vac output or a 240 Vac output.

Abstract: Examples described herein provide a circuit that includes a power electronics converter disposed in a vehicle, the power electronics converter to receive alternating current (AC) electrical power from an AC grid source and to provide AC electrical power to an AC load external to the vehicle, the power electronics converter including an AC-AC converter. The circuit further includes an on-board charging module electrically connected to the power electronics converter and a battery disposed in the vehicle. The circuit further includes a controller to control the power electronics converter and the on-board charging module. The power electronics converter provides vehicle-to-load functionality by providing, to the AC load, AC electric power as an output of at least one of a 120 Vac output or a 240 Vac output.

Abstract: A multi-material choke for a vehicle includes a first end and a second end spaced from the first end, one or more first segments defining a perimeter that extends between the first end and the second end, and one or more second segments coupled to and arranged circumferentially with respect to the perimeter of the one or more first segments, the one or more first segments and the one or more second segments defining at least one opening that extends between the first end and the second end.

Abstract: A multi-material choke, comprising one or more sections arranged with respect to a longitudinal axis and extending between a first end and a second end, the one or more sections each defining at least one opening that extends between the first end and the second end, and the one or more sections including one or more materials arranged with respect to the longitudinal axis.

Abstract: An electric drive system includes an electric machine having a stator assembly and a rotor assembly. The stator assembly has a plurality of multi-phase stator windings, including a first stator winding and a second stator winding. A first inverter is adapted to feed the first stator winding. A second inverter is adapted to feed the second stator winding. The electric machine is a wound rotor machine, with a respective frequency of an alternating current (AC) in the rotor assembly being synchronized with the respective frequency of the AC in the stator assembly. The rotor assembly includes a multi-phase rotor windings. The electric machine is configured such that power transfer between the first stator winding and the second stator winding is achieved when the rotor assembly is stationary.

Abstract: Examples described herein provide a method that includes receiving, at a vehicle comprising a first battery pack and a second battery pack, at least one of a first electric charge from a first charging station via a first charging port or a second electric charge from a second charging station via a second charging port. The method further includes determining, by a controller of the vehicle, a charging mode of the vehicle. The charging mode is selected from a group consisting of a dynamic balancing during independent multi-port charging mode, a dynamic balancing during independent port charging mode, or a dynamic balancing during parallel charging mode. The method further includes configuring, by the controller of the vehicle, a plurality of switches of a rechargeable energy storage system of the vehicle based at least in part on the determined charging mode.

Abstract: An on board charger for a vehicle including an electric machine and a battery system includes a power inverter and a DC-DC converter. A filter including first and second inputs is selectively connected to an AC source and first and second outputs. The first output of the filter is connected to one of the first node, the second node, and the third node between switches of phase legs of the power inverter. A switching device includes a first terminal connected to the one of the first node, the second node, and the third node, a second terminal connected to a second output of the filter, and a third terminal connected to one of the first, second, and third phase windings of the electric machine corresponding the one of the first node, the second node, and the third node.

Abstract: A vehicle includes an electrical load and an electrical system for providing power to the electrical load. The electrical system includes a converter including at least one leg, at least one inductor and a pyro switch between the at least one leg and the at least one inductor, an energy cell coupled to the converter at a first side of the converter, a propulsion cell coupled to a second side of the converter, and a processor. The processor is configured to measure a voltage at a switch of the converter, determine a switch status of the switch based on the voltage, operate the pyro switch to disable the at least one leg that includes the switch, derate a power of the converter to a percentage of a full power of the converter, and provide the derated power to the electrical load.