4539results about "Converter types" patented technology

A robotic emulation device includes a processor, memory and multimedia interfaces to capture a video signal from a target device, analyze it, and transmit manipulation control signals to the target device input by emulating a peripheral input device, wherein the manipulation control signals determine manipulation or selection of a target interface control associated with a first user interface encoded and transmitted in the video signal. Furthermore, the robotic emulation device may be connected via an embedded transceiver to at least one computer or computer tenant for relaying the captured video data for analysis, and based on the analysis, applying inferred manipulation semantics.

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, an electric motor configured to drive the tractive element to propel the vehicle, a battery configured to supply electrical energy to the electric motor, a heat exchanger, a cable electrically coupling the electric motor and the battery, and a conduit fluidly coupling the battery and the heat exchanger. The cable and the conduit extend laterally from the battery to the frame rail, and the cable and the conduit extend longitudinally along the frame rail.

A robotic emulation device includes a processor, memory and multimedia interfaces to capture a video signal from a target device, analyze it, and transmit manipulation control signals to the target device input by emulating a peripheral input device, wherein the manipulation control signals determine manipulation or selection of a target interface control associated with a first user interface encoded and transmitted in the video signal. Furthermore, the robotic emulation device may be connected via an embedded transceiver to at least one computer or computer tenant for relaying the captured video data for analysis, and based on the analysis, applying inferred manipulation semantics.

A refuse vehicle includes a cab, a refuse compartment, a chassis, a high voltage power distribution unit (HVPDU) including a battery, a plurality of cables and a manual service disconnect. The manual service disconnect is accessed via a through hole of a wheel well of the refuse vehicle. The refuse vehicle further includes a platform removably coupled to the chassis and the HVPDU and configured to enclose the high voltage power distribution unit.

The invention discloses a driving control method of a DAB converter and related equipment, and relates to the technical field of power electronic converter control, and the method comprises the steps: calculating a voltage transformation ratio based on an input voltage and an output voltage through a current stress adjustment module, and calculating an output power based on the output voltage and an output current, substituting the voltage transformation ratio and the output power into a current stress adaptive minimization algorithm to solve an internal phase shift angle; meanwhile, through a PI controller, an external shift phase angle is adjusted based on a difference value between the instruction voltage and the output voltage; outputting the inner phase shift angle and the outer phase shift angle to a PWM modulation generator to generate a switching tube driving signal; the DAB converter is controlled by the driving signal to realize rated voltage output and current stress minimization, so that the efficiency and reliability of the converter are improved.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.

An electric vehicle charging station for charging electric vehicles includes a plurality of energy storage reservoirs configured to receive and store energy from one or more power sources and / or one or more power generators; one or more power heads for charging the electric vehicles at the electric vehicle charging station, the multiple power heads receiving electrical power from the plurality of energy storage reservoirs, the multiple power heads each being configured for releasably connecting to each of the electric vehicles for charging at the electric vehicle charging station; and a computer control system configured to monitor a charging demand at each of the one or more power heads and to connect one or more of the plurality of energy storage reservoirs to one or more of the power heads based on the charging demand of the one or more power heads.

A modular, multi-directional, smart electric vehicle (EV) charging station. In an embodiment, the EV charging station has a field-serviceable, replaceable modular construction, a fully multi-directional power routing architecture, buffered EV-to-grid and EV-to-EV charging, multi-EV charging capability, and the ability to integrate multiple modular charging stations into a networked local and / or wide-area charging system.

A thermal architecture of an electric vehicle includes a drivetrain system having a drivetrain, a cabin air system for providing conditioned air to an occupant compartment, a battery system having cooling components, and a refrigeration system for providing cooling to the cabin air system and the battery system. Control circuitry is configured to manage cooling or heating of components of the thermal architecture. For example, the control circuitry selects from among a mode for cooling a battery system and another mode for heating the battery system. In the heating mode, the control circuitry causes heat to be generated by the drive system, which may include one or more electric motors, and transferred to the battery system. The control circuitry receives a plurality of sensor signals from a sensor interface, generates one or more control signals, and cause valves and other components to achieve one or more cooling modes.

An automotive power system includes an AC / DC power converter, a transformer, a switching bridge connected between the AC / DC power converter and transformer, and a switch bank connected with a secondary side of the transformer. The switch bank connects the secondary side between an electric machine and another switching bridge such that the electric machine, first switching bridge, transformer, and second switching bridge form an isolated DC / DC power converter. The system further includes one or more switches configured to directly connect the traction battery between the AC / DC power converter and second switching bridge.

An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to include one or more energy storage device comprising multiple electric reservoir modules.

Presented are high-voltage (HV) electrical system architectures for vehicle-to-vehicle (V2V) charging of vehicle batteries, methods for making / using such systems, and vehicles equipped with such systems. An HV electrical system for a motor vehicle includes a main HV bus that electrically connects the vehicle's traction motor(s) to the vehicle's battery pack(s), and a charging inlet port that electrically mates with and receives direct-current (DC) power from DC fast-charging (DCFC) cables of a donor vehicle and a charging station. A DC-to-DC (DC-DC) converter is interposed between and electrically connects the charging inlet port to the main HV bus. The DC-DC converter is operable in a bypass mode, in which the DC-DC converter passes therethrough DC power received from the DCFC cable of the charging station, and a vehicle-to-vehicle (V2V) mode, in which the DC-DC converter modulates DC power received from the DCFC cable of the donor vehicle.

There is provided a vehicle control device including: an inverter that is configured to drive an electric motor; a DC / DC converter that is configured to step down a voltage output from a high voltage battery; a pre-charge circuit including a pre-charge switch; a voltage detector that is configured to detect an input voltage input to the inverter and the DC / DC converter; and a controller. When the input voltage is lower than the input voltage at the time when pre-charge of the inverter is completed, the controller is configured to determine that power supplied from a power supply of the DC / DC converter to the DC / DC converter is not normally stopped.

A Level IV fuel-saving robot system for heavy-duty trucks (HDT) focuses on the minimization of actual fuel consumption (L / 100 km) for long-haul freight based on an electrical power split device and a mixed hybrid powertrain architecture. The Level IV fuel-saving robot has an L4 autonomous driving function within the Operational Design Domain (ODD) of expressways, operates in a “shadow mode” or “Disengagement Mode,” automatically generates a discrepancy report or detachment report, completes the “3R” (Real Vehicle, Real Road, Real Payload) batch validation for an L4 system on a billion mile scale quickly with high performance to cost ratio under the condition of ensuring the traffic safety of existing road users and reduces the total validation expense by more than 65% compared with the modern HDT with internal combustion engine equipped with the L4 system, promoting the early commercialization of the fuel-saving robot.

This application relates to the technical field of electric vehicles, and in particular, to charging systems and methods. An example charging system includes: a low-voltage battery capable of supplying power to a low-voltage electrical device of a vehicle; a power battery module; a direct current-to-direct current (DC-DC) converter capable of receiving a voltage supplied by the power battery module in response to at least that a positive relay and a negative relay of the power battery module are closed, and converting the voltage into a charging voltage of the low-voltage battery to charge the low-voltage battery; and a DC-DC controller electrically connected to the low-voltage battery and capable of monitoring a voltage of the low-voltage battery in response to at least that the vehicle is in a dormant state.

A propulsion system, comprising: a motor assembly including a stator and a rotor, a heat exchanger configured to receive air to cool a liquid, and a thermal plate including one or more channels configured to convey the liquid from the heat exchanger to the motor assembly. The heat exchanger is mechanically and fluidically coupled to the thermal plate.

An embodiment apparatus for charging an electric vehicle includes a charging port, a detection block configured to generate a detection signal by detecting whether or not a charging connector of a charging facility is connected to the charging port, a charging controller configured to perform charging control using a first charging mode or a second charging mode according to the detection signal, and a relay box configured to separate charging power supplied from the charging facility into direct current power and alternating current power according to the charging control.

A power conversion device equipped with an inverter, a motor including an armature winding, a storage-to-storage switch provided in a storage-to-storage electrical path that electrically connects a negative terminal of a first power storage unit and a positive terminal of a second power storage unit, a bypass switch, and a motor-side electrical path that electrically connects the armature winding and the storage-to-storage electrical path, a first electrical device, and a second electrical device. The first electrical device is electrically connectable in parallel with a subject power storage unit that is either the first or second power storage unit. The second electrical device is electrically connectable with something other than the first electrical device.

An electric work vehicle includes a body, a travel device in the body, a motor to drive the travel device, an inverter to supply power to the motor, an electric component, a DC / DC converter to convert a voltage of power to be supplied to the electric component, a radiator to cool coolant, and a cooling path through which the coolant cooled by the radiator circulates through the motor, the inverter, and the DC / DC converter and returns to the radiator. The cooling path extends from the radiator, passes through the inverter, the motor, and the DC / DC converter in this order, and returns to the radiator.

A converter system, e.g., for vehicle-to-vehicle charging, includes galvanically-isolated modular first and second converters having the same maximum voltage rating, a direct current (DC) voltage bus interconnecting the converters, and an electronic controller. An input voltage to the DC bus is converted into an output voltage via switching control signals to the modular converters. The system's voltage rating may equal the maximum of the input and / or output voltage, or it may equal the maximum input voltage and be about 50-percent of the maximum output voltage. The maximum input and output voltages may be equal. When the voltage rating is about 50-percent of the maximum input voltage, capacitors may be connected in parallel with the modular converters on an input side thereof. Switching circuits may be connected to the bus to control the conversion of the input voltage via switching control signals.

An automotive power system has a battery current control module including a bidirectional power factor correction circuit, an isolated DC / DC converter, and an active ripple energy storage circuit connected between the bidirectional power factor correction circuit and isolated DC / DC converter. The system further has a DC charge input connected with the isolated DC / DC converter.

A DC-DC conversion apparatus for a charging pile includes a group of power terminals, a plurality of groups of load terminals, and a plurality of isolated DC-DC conversion circuits. An input end of each isolated DC-DC conversion circuit is connected to the group of power terminals, and output ends of the plurality of isolated DC-DC conversion circuits are connected to the plurality of groups of load terminals in a one-to-one correspondence, so that the DC-DC conversion apparatus for a charging pile forms an architecture with a single input and a plurality of independent outputs. In this way, the DC-DC for a charging pile can have high power utilization while implementing wide-range power outputs.

A robotic device comprising internal and external sensors is physically coupled to or hosts a controllable device such as a computer interface device. Based on inferences the robotic device controls a controllable device user interface via at least one actuated link. Multiple robotic devices may be coupled and composed to host and manipulate multiple controlled devices.

An electrical power converter includes an inverter (20), a motor (10) equipped with armature windings (11), a battery-to-battery switch (40) disposed in a battery-to-battery electrical path (24) connecting with a negative terminal of a first storage battery (31) and a positive terminal of a second storage battery, a bypass switch (50, 51), a motor electrical path (25 to 28) electrically connecting the armature windings to the battery-to-battery electrical path, and a control device (100). When determining that a power transfer request is made to transfer electrical power between the first storage battery and the second storage battery, the control device sets an operation mode for the battery-to-battery switch and the bypass switch to a first mode or a second mode and performs a switching operation of the inverter to achieve an electrical power transfer task to transfer electrical power between the first and second storage batteries. The first mode is a mode in which the battery-to-battery switch is turned on, while the bypass switch is turned off. The second mode is a mode in which the battery-to-battery switch is turned off, while the bypass switch is turned on.

This relates to an electric system for a motor vehicle, the vehicle including at least one power supply battery, the electric system including an electric charger intended to be connected, on the one hand, to the battery and, on the other hand, to an electric network outside the vehicle supplying an AC voltage or to electric equipment, and a microcontroller, the charger being able to charge the battery from an external electric network or to allow the battery to power the equipment, the charger including a DC-DC voltage converter able to operate in a first operating mode and a second operating mode, the microcontroller is characterized in that it is configured to control the activation of the first operating mode and to control the activation of the second operating mode.

An energy conversion device comprises: an electric motor, an electronic control, a traction battery and a controller. The controller is configured to control all bridge arms corresponding to windings of the electric motor, so that the collaboration of driving and battery self-heating is achieved, and the crest and trough of an actual N line current flowing through an N line of the electric motor to counteract or are superposed with the crest and trough of an actual phase current flowing through each phase of winding of the electric motor, thus reducing or increasing the amplitudes of the actual phase current of each phase of winding at the crest and trough, and thereby providing a greater phase current for the electric motor so as to drive the electric motor. Thus, the torque output by the electric motor is greater.

Assembly for supplying power to a rotating electric machine for driving a vehicle including at least one string of modules having first and second terminals. Each string includes at least one module having its tertiary and quaternary terminals connected to a first power supply bus and at least one module having its tertiary and quaternary terminals connected to a second power supply bus, the modules of each string being distributed in particular between modules having their tertiary and quaternary terminals connected to the first power supply bus and modules having their tertiary and quaternary terminals connected to the second power supply bus. At least one DC / DC converter of a module of each string is an isolated and reversible converter.

The power conversion apparatus is provided with a battery interconnection switch disposed on an inter-storage electrical path that electrically connects between a negative terminal of the first storage battery and a positive terminal of the second storage battery, a bypass switch that performs at least one of an electrical connection between the negative terminal of the first storage battery and the negative terminal of the second storage battery and an electrical connection between the positive terminal of the first storage battery and the positive terminal of the second storage battery, and a control unit that detects, before controlling one switch between the battery interconnection switch and the bypass switch to be ON, whether the other switch is stuck ON.

An example system includes a DC / DC converter interposed between a battery pack and an electrical load of a vehicle, the DC / DC converter having a first power supply phase and a second power supply phase; and a controller, including: a power request circuit structured to interpret a power request for the electrical load; a power provision circuit structured to determine a current value for each of a plurality of power supply phases; and a power command circuit structured to provide a phase power command value in response to the current value for each of the plurality of power supply phases, the phase power command value including a duty cycle command for each of the plurality of power supply phases; and wherein each of the power supply phases are responsive to the phase power command value to provide pulse width modulated (PWM) electrical power to the electrical load.

A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter) including a bulk capacitor, the AC-DC converter connectable to a line voltage; a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: one or more transformers having a secondary side connectable to a battery, and a bridge rectifier connected to the secondary side of the one or more transformers, the bridge rectifier including a bridge rectifier switch; and one or more controllers configured to control an operation of the bridge rectifier switch to control a voltage of the bulk capacitor.