STABILIZED PHARMACEUTICAL COMPOSITION

The invention relates to stabilized pharmaceutical composition comprising pregabalin and a disaccharide or higher polyol as stabilizer and optionally a conventional pharmaceutically acceptable carrier. The stabilized pharmaceutical composition according to the invention is useful in the treatment of a number of diseases such as epilepsy, Alzheimer's disease or Parkinson's disease. 1. A stabilized pharmaceutical composition comprising a therapeutically effective amount of pregabalin and a disaccharide or higher polyol except for trehalose as stabilizer in an amount effective to stabilize the pregabalin against lactam formation and optionally a pharmaceutically acceptable inert carrier.2. The stabilized pharmaceutical composition according to wherein the disaccharide or higher polyol stabilizer is a hydrogenated oligo- or polysaccharide obtained by hydrolysis of starch followed by hydrogenation claim 1 , a hydrogenated oligo- or polysaccharide obtained by hydrolysis of cellulose claim 1 , a hydrogenated xylan or a hydrogenated fructan.3. The stabilized pharmaceutical composition according to comprising isomalt claim 1 , lactitol claim 1 , maltitol claim 1 , or enantiomers or derivatives thereof as the disaccharide or higher polyol stabilizer.4. The stabilized pharmaceutical composition according to comprising in a therapeutically effective amount up to 50 mg of a pregabalin/dosage unit in an amount of 10% to about 60% by weight claim 1 , based on the total weight of the composition.5. The stabilized pharmaceutical composition according to comprising 20% to 50% by weight of pregabalin claim 4 , based on the total weight of the composition.6. The stabilized pharmaceutical composition according to comprising more than 50 mg of a pregabalin/dosage unit in an amount of 40-99% by weight claim 1 , based on the total weight of the composition.7. The stabilized pharmaceutical composition according to comprising 50% to 85% of pregabalin claim 6 , based on the total weight of ...

Hybrid Vehicle Propulsion Systems And Methods

A hybrid vehicle propulsion includes an engine and a first electric machine, where each is configured to selectively provide torque to propel the vehicle. The propulsion system also includes a second electric machine coupled to the engine to provide torque to start the engine from an inactive state. A high-voltage power source is configured to power both of the first electric machine and the second electric machine over a high-voltage bus. The propulsion system further includes a controller programmed to deactivate the engine and propel the vehicle using the first electric machine in response to the vehicle being driven at a steady-state speed for a predetermined duration of time. The controller is also programmed to restart the engine using the second electric machine powered by the high-voltage power source. 1. A hybrid vehicle propulsion system comprising:an engine and a first electric machine each configured to selectively provide torque to propel the vehicle;a second electric machine coupled to the engine to provide torque to start the engine from an inactive state;a high-voltage power source to power both of the first electric machine and the second electric machine over a high-voltage bus; and deactivate the engine and propel the vehicle using the first electric machine in response to the vehicle being driven at a steady-state speed for a predetermined duration of time, and', 'restart the engine using the second electric machine powered by the high-voltage power source., 'a controller programmed to'}2. The hybrid vehicle propulsion system of further comprising a low-voltage power source claim 1 , wherein the high-voltage power source and the low-voltage power source are integrated as part of a single energy storage module.3. The hybrid vehicle propulsion system of wherein the controller is further programmed to select one of a plurality of drive modes based on at least one of a vehicle speed claim 1 , a torque demand claim 1 , a SOC of the high-voltage power ...

Intelligent vehicles with advanced vehicle camera systems for underbody hazard and foreign object detection

A method for operating an advanced driver assistance (ADAS) system of a motor vehicle includes a vehicle controller receiving, from side and end cameras mounted to the vehicle, camera signals indicative of real-time images of outboard-facing side and end views of the vehicle. The controller determines a region of interest (ROI) inset within each end/side view within which is expected foreign objects and/or hazards. These ROIs are analyzed to detect if a foreign object/hazard is present in the vehicle's end and/or side views. Responsive to detecting the foreign object/hazard, movement of the foreign object/hazard is tracked to determine if the foreign object/hazard moves towards or away from the vehicle's underbody region. If the foreign object/hazard moves to the underbody region, control signals are transmitted to the vehicle's propulsion and/or steering system to automate preventative action that prevents collision of the vehicle with and/or removes the foreign object/hazard from the underbody.

CHARGING ARCHITECTURE FOR RECONFIGURABLE BATTERY PACK USING SOLID-STATE AND CONTACTOR SWITCHES

A battery system includes first and second battery packs connected to positive and negative DC voltage bus rails, a contactor switch connected between the battery packs, a solid-state switch in series with the contactor switch, and a controller. The controller determines characteristic values of the switches, including a respective temperature, voltage, and current value for each. The controller also detects a predetermined electrical fault condition of the contactor switch using the characteristic values, and executes a control action in response to the electrical fault condition. The control action includes opening the semi-conductor switch to thereby interrupt a flow of current between the first and second battery packs. A mobile platform includes road wheels connected to a body, a rotary electric machine configured to power the road wheels and thereby propel the mobile platform, and the battery pack, switches, and controller. 1. A battery system comprising:positive and negative direct current (“DC”) voltage bus rails;first and second battery packs each connected to the positive and negative DC voltage bus rails;a contactor switch connected between the first and second battery packs;a solid-state switch in series with the contactor switch; anda controller in communication with the contactor switch and the solid-state switch, wherein the controller is configured to determine characteristic values of the solid-state switch and the contactor switch, including a respective temperature, voltage, and current value, to detect an electrical fault condition of the contactor switch using the characteristic values, and to execute a control action in response to the electrical fault condition, including opening the semi-conductor switch to thereby interrupt a flow of current between the first and second battery packs.2. The battery system of claim 1 , wherein the solid-state switch has a gate terminal and first and second voltage terminals claim 1 , and wherein the ...

ELECTRIC DRIVE SYSTEM WITH RECONFIGURABLE MACHINE WINDINGS

An electric drive system includes a battery pack, a power inverter module (“PIM”), an electric machine, a switching circuit, and a controller. The electric machine has three or more phase legs. The PIM has a DC-side connected to the battery pack, and an alternating current (“AC”)-side connected to the electric machine. The switching circuit includes AC switches, and for each phase leg also includes three or more winding sections each electrically connectable to or disconnectable from the battery pack and PIM via the AC switches. The controller commands a binary switching state of each respective AC switch based on the rotary speed to implement one of three different speed-based operating modes of the electric machine, and to thereby vary a conductive path from the PIM to the electric machine through one or more of the connected winding sections. 1. An electric drive system comprising:a direct current (“DC”) battery pack;a polyphase electric machine having three or more phase legs;a power inverter module (“PIM”) having a DC-side that is connected to the battery pack, and having an alternating current (“AC”)-side that is connected to the polyphase electric machine; a plurality of AC switches; and', 'for each of the three or more phase legs, three or more winding sections each electrically connectable to or disconnectable from the battery pack and the PIM by operation of the plurality of AC switches; and, 'a switching circuit includinga controller programmed to command a binary switching state of each respective one of the AC switches based on a rotary speed of the electric machine to thereby implement one of three different speed-based operating modes, and to thereby vary a conductive path from the PIM to the electric machine through the winding sections.2. The electric drive system of claim 1 , wherein the electric machine has three of the phase legs claim 1 , three of the winding sections for each of the phase legs claim 1 , and at least six of the AC switches.3. ...

Dual-voltage charging station and method

A dual-voltage charging station system for an alternating current (“AC”) power supply and a mobile platform having a charging port includes a charge coupler, an AC-to-DC conversion stage, a cable, and a controller. The charge coupler has AC pins and direct current (“DC”) pins configured to engage with respective AC and DC receptacles of the charging port. The conversion stage is connected to the charge coupler and the AC power supply, converts the supply voltage to a DC charging voltage, and relays an appropriate AC or DC accessory voltage. The cable connects to the charge coupler such that the AC pins receive the accessory voltage and the DC pins receive the DC charging voltage. The controller simultaneously delivers the accessory voltage and the DC voltage to the mobile platform via the AC pins and the DC pins, respectively.

VASCULAR STRUCTURES AND METHODS FOR THERMAL CONTROL

Systems and methods are provided for thermal control using vascular channels. Vascular channels are incorporated in a network within a component. The component is a part of a manufactured environment configured for occupants. A fluid circuit is connected with the vascular channels and circulates a fluid through the component to alter a thermal state of the component. 1. A thermal control system comprising:a component with vascular channels incorporated in a network within the component, the component configured as a part of a manufactured environment configured for occupants;a fluid circuit connected with the vascular channels and configured to circulate a fluid through the component;wherein the fluid alters a thermal state of the component.2. The thermal control system of wherein the manufactured environment comprises a cabin of a vehicle and the component is an interior panel of the vehicle.3. The thermal control system of comprising:a heat exchanger, wherein the fluid circuit includes the heat exchanger; anda heating-ventilation and air conditioning (HVAC) system configured to circulate a second fluid, wherein the second fluid is circulated through the heat exchanger.4. The thermal control system of wherein the component comprises a vehicle dashboard.5. The thermal control system of wherein the component comprises a vehicle windshield.6. The thermal control system of wherein the vascular channels have a diameter between 100 micrometers and five millimeters.7. The thermal control system of wherein the vascular channels comprise tubes embedded in the component.8. The thermal control system of wherein the network comprises a manifold connected with the vascular channels.9. The thermal control system of wherein the component comprises a fiber material incorporated in a polymer matrix.10. The thermal control system of comprising:a heat exchanger, wherein the fluid circuit includes the heat exchanger;a heating-ventilation and air conditioning (HVAC) system configured ...

APPARATUS AND METHOD FOR GRID-TO-VEHICLE BATTERY CHARGING

A charging system for use in providing power for charging a battery. The system includes a first, alternating-current-to-direct-current, stage and a second, direct-current-to-direct-current, stage. The first stage includes a single-phase diode rectifier for rectifying an input alternating-current input voltage, and a power-factor-correcting sub-circuit including a switch. The second stage includes multiple switches. The system further includes a high-frequency capacitor connected between the first stage and the second stage. The system also includes a controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system. 1. A charging system , for use in providing power for charging a battery , comprising: a single-phase diode rectifier for rectifying an input alternating-current input voltage; and', 'a power-factor-correcting sub-circuit including a switch;, 'a first, alternating-current-to-direct-current, stage comprisinga second, direct-current-to-direct-current, stage comprising multiple switches;a high-frequency capacitor connected between the first stage and the second stage; anda controller connected to the switches of the first and second stages and configured to control, by way of the switches, timing of boost inductor current passing through the charging system.2. The charging system of claim 1 , wherein the rectifier of the first stage comprises multiple diodes.3. The charging system of claim 2 , wherein the multiple diodes of the first stage consists of four diodes.4. The charging system of claim 1 , wherein the high-frequency capacitor is a high-frequency direct-current link capacitor for providing a freewheeling current path.5. The charging system of claim 1 , wherein the power-correcting-factor sub-circuit is configured and arranged in the system to supplement the rectifier sub-circuit to meet harmonic limits for current passing ...

METHOD AND APPARATUS FOR DETERMINING MAGNETIC FLUX AND MAGNETIC FORCE IN A SOLENOID ASSEMBLY

A solenoid assembly includes a solenoid actuator having a core. A coil is configured to be wound at least partially around the core such that a magnetic flux (ϕ) is generated when an electric current flows through the coil. An armature is configured to be movable based on the magnetic flux (ϕ). A controller has a processor and tangible, non-transitory memory on which is recorded instructions for controlling the solenoid assembly. The controller is configured to obtain a plurality of model matrices, a coil current (i) and an eddy current (i). The magnetic flux (ϕ) is obtained based at least partially on a third model matrix (C), the coil current (i) and the eddy current (i). Operation of the solenoid actuator is controlled based at least partially on the magnetic flux (ϕ). In one example, the solenoid actuator is an injector. 1. A solenoid assembly comprising:a solenoid actuator having a core;a coil configured to be wound at least partially around the core such that a magnetic flux (ϕ) is generated when an electric current flows through the coil, the coil defining a coil turn number (N);an armature configured to be movable based on the magnetic flux (ϕ), the armature defining a position (x) and an armature velocity (dx/dt); [{'sub': 0', '0', '0, 'obtain a plurality of model matrices, including a first model matrix (A), a second model matrix (B) and a third model matrix (C);'}, {'sub': 1', '2, 'obtain a coil current (i) and an eddy current (i) based at least partially on an applied coil voltage (V) and at least two of the plurality of model matrices;'}, {'sub': 0', '1', '2, 'obtain the magnetic flux (ϕ) based at least partially on the third model matrix (C), the coil current (i) and the eddy current (i); and'}, 'control operation of the solenoid actuator based at least partially on the magnetic flux (ϕ)., 'a controller operatively connected to the coil and having a processor and tangible, non-transitory memory on which is recorded instructions, execution of the ...

PACKET COMMUNICATION TO FACILITATE WIRELESS CHARGING OF ELECTRIC VEHICLES

A system and method of facilitating wireless charging of an electric vehicle (EV) include the EV performing service discovery and negotiation via a neighborhood aware network (NaN) to determine charging compatibility of a WiFi enabled charging station or another EV with the EV. The method also includes the EV requesting a reservation from the charging station or a charge from the another EV based on determining that the EV is compatible with the charging station or the another EV by broadcasting a request message that includes a packet with the request via the NaN. 1. A method of facilitating wireless charging of an electric vehicle (EV) , the method comprising:the EV performing service discovery and negotiation via a neighborhood aware network (NaN) to determine charging compatibility of a WiFi enabled charging station or another EV with the EV;the EV requesting a reservation from the charging station or a charge from the another EV based on determining that the EV is compatible with the charging station or the another EV by broadcasting a request message that includes a packet with the request via the NaN.2. The method according to claim 1 , further comprising the charging station broadcasting a message via the NaN claim 1 , wherein the message indicates a charging service provided by the charging station.3. The method according to claim 2 , wherein the charging station broadcasting the message includes the charging station indicating vehicle classes supported by the charging station claim 2 , a power capability of the charging station claim 2 , preferred payment method claim 2 , alignment support capability claim 2 , charging rate or cost claim 2 , or a current wait time for charging at the charging station.4. The method according to claim 1 , further comprising the EV requesting compatibility information from the charging station or the another EV via an information request packet in an information request message broadcast via the NaN claim 1 , wherein the ...

GATE DRIVER AND PROTECTION SYSTEM FOR A SOLID-STATE SWITCH

A circuitry includes an electronic solid-state switch including a first power terminal and a second power terminal and a driver and switch protection system electrically connected to the electronic solid-state switch. The driver and switch protection system includes an isolated bias power circuit configured to output a direct current voltage of at least fifteen volts, a current buffer circuit electrically connected between the isolated bias power circuit and the electronic solid-state switch, and a snubber circuit electrically connected to the first power terminal and the second power terminal. 1. A circuitry , comprising:an electronic solid-state switch including a first power terminal and a second power terminal; an isolated bias power circuit configured to output a direct current voltage of at least fifteen volts;', 'a current buffer circuit electrically connected between the isolated bias power circuit and the electronic solid-state switch; and', 'a snubber circuit electrically connected to the first power terminal and the second power terminal., 'a driver and switch protection system electrically connected to the electronic solid-state switch, wherein the driver and switch protection system includes2. The circuitry of claim 1 , wherein the current buffer circuit is configured to source and sink at least one ampere output current.3. The circuitry of claim 2 , wherein the current buffer circuit has an output resistance that is less than two Ohms.4. The circuitry of claim 3 , wherein the isolated bias power circuit is configured as a printed circuit board.5. The circuitry of claim 3 , wherein the isolated bias power circuit is as an on-chip integrated transformer-based power supply with one-watt +/−0.5 watt output power claim 3 , and the on-chip integrated transformer-based power supply includes a plurality of transformer windings.6. The circuitry of claim 1 , further comprising a signal processing and diagnostic controller and an external controller each ...

APPARATUS FOR MOBILE POWER SOURCE

A mobile power source apparatus includes a mobile unit having a platform structure, a frame connected to the platform structure and multiple wheels rotatably connected to the platform structure to promote moving the mobile unit. An electronics power module is connected to a DC power source defining a high voltage DC battery. The electronics power module converts DC energy of the DC battery to at least one of an alternating current (AC) power and a direct current (DC) power. A wireless communication device promotes wireless communication of a battery state-of-charge (SOC) of the high voltage DC battery. A liquid cooling thermal system provides positive cooling of the electronics power module. 1. A mobile power source , comprising:a mobile unit having a platform structure, a frame connected to the platform structure supporting a towing adapter to move the mobile unit, and multiple wheels rotatably connected to the platform structure to promote moving the mobile unit;an electronics power module connected to a DC power source defining a high voltage DC battery, the electronics power module converting DC energy of the DC battery to at least one of an alternating current (AC) power and a direct current (DC) power, wherein the electronics power module also controls recharging of the high voltage DC battery;an AC Power Module (ACPM) accepting a battery voltage at input terminals (BAT+, BAT−) and providing a galvanically isolated and regulated nominal 3-phase 400 Hz AC output that is selected to be one of a nominal 120V/200 VAC and 240V/400 VAC rms, wherein the ACPM includes multiple disconnect relays and inrush-current limiting through a pre-charge circuit including an EMI and battery current ripple filter input; anda PWM inverter and a high frequency transformer followed by a rectifier and a DC ripple filter to generate a galvanically isolated and regulated DC voltage, the DC voltage converted to a nominal 3-phase 400 Hz AC voltage by a space vector PWM inverter, wherein ...

VEHICLE ELECTRICAL SYSTEM HAVING A POWER INVERTER AND ELECTRIC MOTOR FOR STEPPING DOWN VOLTAGE

An example of a vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and a power inverter electrically connected to the RESS. The system further includes an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter. The electric motor further includes a neutral terminal separate from the polyphase terminals. The system further includes an accessory load electrically connected to the power inverter and the neutral terminal of the electric motor, with the accessory load requiring a second voltage that is below the first voltage. A current flows through the machine windings to step down the first voltage to the second voltage. The power inverter is configured to cycle between first and second operational states, such that the power inverter steps down the first voltage to the second voltage. 1. A vehicle electrical system , comprising:a rechargeable energy storage system (RESS) having a first voltage;a power inverter electrically connected to the RESS;an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter, and the electric motor further having a neutral terminal separate from the polyphase terminals; andan accessory load selectively connected to one of the RESS and the neutral terminal of the electric motor, with the accessory load requiring a second voltage that is below the first voltage;wherein the power inverter is configured to cycle between a first operational state where the power inverter connects the RESS to the plurality of machine windings of the electric motor and a second operational state where the power inverter disconnects the RESS from the plurality of machine windings of the electric motor and interrupts current to the machine windings, such that the power inverter steps down the first ...

VEHICLE ELECTRICAL SYSTEM HAVING A POWER INVERTER AND AN ELECTRIC MOTOR FOR STEPPING UP VOLTAGE

An example of a vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and a power inverter selectively connected to the RESS. The system further includes an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter. The machine windings further include a neutral terminal separate from the polyphase terminals and configured to electrically connect to an off-board power source having a second voltage that is below the first voltage of the RESS. The power inverter is configured to cycle between first and second operational states, such that the power inverter and the electric motor steps up the first voltage to the second voltage. 1. A vehicle electrical system , comprising:a rechargeable energy storage system (RESS) having a first voltage;a power inverter selectively connected to the RESS; andan electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter, and the electric motor further having a neutral terminal separate from the polyphase terminal and adapted to electrically connect to an off-board power source that generates a second voltage that is below the first voltage;wherein the power inverter is configured to cycle between a first operational state where the power inverter electrically disconnects the RESS from the machine windings and a second operational state where the power inverter electrically connects the RESS to the machine windings, such that the power inverter and the electric motor steps up the second voltage of the off-board power source to the first voltage of the RESS.2. The vehicle electrical system of claim 1 , further comprising at least one charger switch disposed between the neutral terminal of the electric motor and the off-board power source claim 1 , wherein the at least one charger ...

ELECTRICAL SYSTEM HAVING BUCK CONVERTER FUNCTIONALITY

An example electrical system is disclosed. The electrical system can include a rechargeable energy storage system (RESS) and a power inverter connected to the RESS. The power inverter can be configured to provide electrical power to an electric machine. A switch can be disposed between the plurality of machine windings and an output load. The switch is configured to transition between a closed state to allow current flow from the RESS through the inverter and the plurality of machine windings to the output load and an open state to prevent current flow to the output load. 1. An electrical system , comprising:a rechargeable energy storage system (RESS);a power inverter connected to the RESS, the power inverter configured to provide electrical power to a traction motor;a plurality of machine windings of the traction motor; anda switch disposed between the plurality of machine windings and an output load, wherein the switch is configured to transition between a closed state to allow current flow from the RESS through the plurality of machine windings to the output load and an open state to prevent current flow to the output load.2. The electrical system of claim 1 , further comprising an inductor connected in series between the plurality of machine windings and the output load claim 1 , wherein the inductor is configured to mitigate at least one of current ripple or torque ripple.3. The electrical system of claim 1 , wherein the power inverter comprises a set of semiconductor switches that are configured to convert direct current (DC) power to alternating current (AC) power.4. The electrical system of claim 3 , wherein each semiconductor switch of the set of semiconductor switches comprises a voltage-controlled switching device.5. The electrical system of claim 4 , wherein the voltage-controlled switching device comprises at least one of a silicon insulated gate bipolar transistor (IGBT) claim 4 , a silicon carbide metal-oxide semiconductor field effect transistor ( ...

ELECTRICAL SYSTEM HAVING BOOST CONVERTER FUNCTIONALITY

An example electrical system is disclosed. The electrical system can include a rechargeable energy storage system (RESS) and a power inverter connected to the RESS. The power inverter can be configured to provide electrical power to a traction motor. The electrical system can include a plurality of machine windings connected between the power inverter and a switch. The switch can be configured to transition between a closed state to allow current flow from an off-board power source through the plurality of machine windings to the RESS and an open state to prevent current flow between the off-board power source and the plurality of machine windings. 1. An electrical system , comprising:a rechargeable energy storage system (RESS);a power inverter connected to the RESS, the power inverter configured to provide electrical power to a traction motor;a plurality of machine windings of the traction motor connected between the power inverter and a switch; andthe switch configured to transition between a closed state to allow current flow from an off-board power source through the plurality of machine windings to the RESS and an open state to prevent current flow between the off-board power source and the plurality of machine windings.2. The electrical system of claim 1 , further comprising an inductor connected in series between the plurality of machine windings and the off-board power source claim 1 , wherein the inductor is configured to mitigate at least one of current ripple or torque ripple.3. The electrical system of claim 1 , wherein the power inverter comprises a set of semiconductor switches that are configured to convert direct current (DC) power to alternating current (AC) power.4. The electrical system of claim 4 , wherein each semiconductor switch of the set of semiconductor switches comprises a voltage-controlled switching device.5. The electrical system of claim 5 , wherein the voltage-controlled switching device comprises at least one of a silicon insulated ...

ELECTRICAL SYSTEM HAVING BOOST CONVERTER FUNCTIONALITY

An electrical system can include a rechargeable energy storage system (RESS) and a power inverter connected to the RESS. The power inverter can be configured to provide electrical power to a traction motor. The electrical system includes a plurality of machine windings connected between a plurality of first switches and the traction motor. Each switch of the plurality of first switches is configured to transition between a closed state to allow current flow between the power inverter and the traction motor. The electrical system includes a plurality of inductor windings connected between a plurality of second switches and an off-board power source. Each switch of the plurality of second switches is configured to transition between a closed state to allow current flow between the off-board power source and the power inverter to charge the RESS. 1. An electrical system , comprising:a rechargeable energy storage system (RESS);a power inverter connected to the RESS, the power inverter configured to provide electrical power to a traction motor;a plurality of machine windings connected between a plurality of first switches and the traction motor, wherein each switch of the plurality of first switches is configured to transition between a closed state to allow current flow between the power inverter and the traction motor and an open state to prevent current flow between the power inverter and the traction motor; anda plurality of inductor windings connected between a plurality of second switches and an off-board power source, wherein each switch of the plurality of second switches is configured to transition between a closed state to allow current flow between the off-board power source and the power inverter to charge the RESS and an open state to prevent current flow between the off-board power source and the power inverter.2. The electrical system of claim 1 , wherein each winding of the plurality of machine windings comprise windings of the traction motor.3. The ...

SYSTEM AND METHOD FOR DATABASE SHARDING USING DYNAMIC IDs

Aspects of the present disclosure involve systems, methods, devices, and the like for database sharding. In one embodiment, a system and method are introduced which enable the use of dynamic IDs for use with database sharding. The dynamic ID enables the use of a hierarchical structure such that original and trailing transactional data are identically labeled. To enable the use and labeling two or more unshared tables may be used. 1. A system , comprising:a non-transitory memory storing instructions; receive, from an application, a request to store data associated with a transaction;', 'determine, by a mapping module, that the data is associated with an original transaction;', 'determine, from a first unshared reference table, a reference ID for the data;', 'map, by the mapping module, the reference ID to the data to a second unshared reference table., 'a processor configured to execute the instructions to cause the system to2. The system of claim 1 , executing instructions further causes the system to:determine, by a mapping module, that the data is child activity associated with the original transaction;determine, from the second unshared reference table, a reference ID for the original transaction; andmap the reference ID to the child activity.3. The system of claim 1 , executing instructions further causes the system to:transfer the mapped child activity to a corresponding shard at a database.4. The system of claim 1 , wherein the original transaction includes activity associated with a transaction and the activity is parent activity.5. The system of claim 4 , wherein the parent activity includes a plurality of records and identifiers associated corresponding to the transaction.6. The system of claim 1 , wherein the reference ID is a dynamic root ID maintained in the first unshared reference table.7. The system of claim 1 , wherein the dynamic root ID creates a hierarchical model with the parent and child activity using the same dynamic root ID.8. A method claim ...

Busbar assembly for current sensing

A busbar assembly includes a base having a width and a length. The base has a first surface and a second surface and has a first side and a second side. A distance between the first side and the second side comprises the width, and the base defines a slot centered between approximately 75% and approximately 79% of the width.

3-D POWER MODULES WITH DOUBLE SIDED COOLING PER SEMICONDUCTOR DIE

A power module is provided and includes first stack, second stack, and third stacks of layers, a heat pipe, and at least one cold plate or heat sink. The third stack of layers is disposed between the first stack of layers and the second stack of layers and includes a first semiconductor die, a second semiconductor die and a center spacer layer disposed between the first semiconductor die and the second semiconductor die. The heat pipe extends at least partially into the center spacer layer. The at least one cold plate or heat sink receives thermal energy from the first stack of layers and the second stack of layers. The second stack of layers, the third stack of layers, the heat pipe and the at least one cold plate or heat sink facilitate dual sided cooling of each of the first semiconductor die and the second semiconductor die. 1. A power module comprising:a first stack of layers;a second stack of layers;a third stack of layers disposed between the first stack of layers and the second stack of layers and comprising a first semiconductor die, a second semiconductor die and a first center spacer layer disposed between the first semiconductor die and the second semiconductor die;a first heat pipe extending at least partially into the first center spacer layer; andat least one cold plate or heat sink receiving thermal energy from the first stack of layers and the second stack of layers,wherein the second stack of layers, the third stack of layers, the first heat pipe and the at least one cold plate or heat sink facilitate dual sided cooling of each of the first semiconductor die and the second semiconductor die.2. The power module of claim 1 , wherein:the first stack of layers comprises a first conductive layer, a second conductive layer, and a first dielectric layer disposed between the first conductive layer and the second conductive layer; andthe second stack of layers comprises a third conductive layer, a fourth conductive layer, and a second dielectric layer ...

INTELLIGENT VEHICLES WITH ADVANCED VEHICLE CAMERA SYSTEMS FOR UNDERBODY HAZARD AND FOREIGN OBJECT DETECTION

A method for operating an advanced driver assistance (ADAS) system of a motor vehicle includes a vehicle controller receiving, from side and end cameras mounted to the vehicle, camera signals indicative of real-time images of outboard-facing side and end views of the vehicle. The controller determines a region of interest (ROI) inset within each end/side view within which is expected foreign objects and/or hazards. These ROIs are analyzed to detect if a foreign object/hazard is present in the vehicle's end and/or side views. Responsive to detecting the foreign object/hazard, movement of the foreign object/hazard is tracked to determine if the foreign object/hazard moves towards or away from the vehicle's underbody region. If the foreign object/hazard moves to the underbody region, control signals are transmitted to the vehicle's propulsion and/or steering system to automate preventative action that prevents collision of the vehicle with and/or removes the foreign object/hazard from the underbody. 1. An advanced driver assistance (ADAS) system for a vehicle , the vehicle having a vehicle body with opposing front and rear ends , opposing left and right sides , a steering system , and a propulsion system , the ADAS system comprising:an end camera configured to mount proximate one of the ends of the vehicle body, capture an outboard-facing end view of the vehicle, and generate signals indicative thereof;a side camera configured to mount proximate one of the sides of the vehicle body, capture an outboard-facing side view of the vehicle, and generate signals indicative thereof; and receive, from the end and side cameras, camera signals indicative of real-time images of the outboard-facing end and side views of the vehicle, the end and side cameras each having a respective full-frame area;', 'define a respective region of interest (ROI) inset within each of the outboard-facing end and side views within which is expected a foreign object and/or a hazard, the ROIs each ...

INTELLIGENT VEHICLES, CONTROL LOGIC, AND ADVANCED PARK ASSIST SYSTEMS WITH CAMERA-BASED AUTOMATED VEHICLE ALIGNMENT

A method for operating an advanced park assist system of a vehicle includes a vehicle controller receiving, from front and side cameras mounted proximate front and side sections of the vehicle, real-time images of the vehicle's forward-facing and side-facing views. These images are analyzed to detect target elements present in the vehicle's forward-facing and/or side-facing views. Responsive to detecting a target element, heading control signals are transmitted to the vehicle's steering system to reposition the vehicle and thereby locate the target element at the center of the forward-facing view and at the top of the side-facing view. Speed control signals are transmitted to the vehicle's propulsion system to propel the vehicle such that the target element disappears from the side-facing view and moves to a calibrated distance from the vehicle body's front end. The control signals are modulated to align the vehicle with a target marker of the target element. 1. An advanced park assist (APA) system for a motor vehicle , the motor vehicle having a vehicle body with opposing front and rear ends , a steering system , and a propulsion system , the APA system comprising:a front camera configured to mount to the vehicle body proximate the front end thereof, capture forward-facing views of the motor vehicle, and generate signals indicative thereof;a side camera configured to mount to the vehicle body proximate a lateral side thereof, capture side-facing views of the motor vehicle, and generate signals indicative thereof; and receive, from the front camera, camera signals indicative of real-time images of a forward-facing view of the motor vehicle;', 'receive, from the side camera, camera signals indicative of real-time images of a side-facing view of the motor vehicle;', 'analyze the real-time images to detect if a target element is present in the forward-facing view and/or the side-facing view of the motor vehicle;', 'responsive to detecting the target element, transmit ...

Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports

A system for use with a direct current fast-charging (DCFC) station includes a controller and battery system. The battery system includes first and second battery packs, and first, second, and third switches. The switches have ON/OFF conductive states commanded by the controller to connect the battery packs in a parallel-connected (P-connected) or series-connected (S-connected) configuration. An electric powertrain with one or more electric machines is powered via the battery system. First and second charge ports of the system are connectable to the station via a corresponding charging cable. The first charge port receives a low or high charging voltage from the station. The second charge port receives a low charging voltage. When the station can supply the high charging voltage to the first charge port, the controller establishes the S-connected configuration via the switches, and thereafter charges the battery system solely via the first charge port.

ACTIVE DISCONNECT DEVICE

A disconnect device includes a mounting plate having a thermally conductive substrate applied onto the mounting plate. A first layer of an electrically conductive material is applied onto the substrate. A semiconductor switch supported on the first layer connects or disconnects an input power source to or from a load. A second layer of an electrically conductive material applied onto the substrate is electrically isolated from the first layer. An electronic sensing, control and protection circuit is supported on the second layer and is connected to the semiconductor switch to control operation of the semiconductor switch. A control unit in communication with the electronic sensing, control and protection circuit via an electrically isolated control path provides control and communication between the electronic sensing, control and protection circuit and the semiconductor switch.

VASCULAR POLYMERIC ASSEMBLY

A vascular polymeric assembly is provided which includes a heat source, a polymeric substrate configured to enclose and protect at least a portion of the heat source; and a channel defined in the polymeric substrate configured to transfer a heat flow away from the heat source via a channel coolant flow. 1. A vascular polymeric assembly comprising:a heat source;a polymeric substrate configured to enclose and protect at least a portion of the heat source; anda channel defined in the polymeric substrate configured to transfer a heat flow away from the heat source via a channel coolant flow.2. The vascular polymeric assembly as defined in wherein the channel is in fluid communication with heat source.3. The vascular polymeric assembly as defined in wherein the channel is in fluid communication with the heat source and defines an increased cross-section in a region where the channel intersects with the heat source.4. The vascular polymeric assembly as defined in further comprising:a plate defining a plate coolant channel; anda structural case disposed on the plate;wherein the structural case is configured to support the polymeric substrate and the heat source.5. The vascular polymeric assembly as defined in wherein the plate and the coolant channel are configured to transfer heat away from a lower side of the heat source via a plate coolant flow while the channel in the polymeric substrate are configured to transfer heat away from an upper side of the heat source via the channel coolant flow.6. The vascular polymeric assembly as defined in wherein the polymeric substrate is a flexible polymer such that the polymeric substrate is less rigid relative to the structural case.7. The vascular polymeric assembly as defined in further comprising:a structural polymeric case supporting the heat source and the polymeric substrate, the structural polymeric case defining a lower coolant channel configured to transfer heat away from a lower side of the heat source via a lower coolant ...

Vascular structures and methods for heat management

Systems and methods are provided for heat management using vascular channels. Vascular channels are incorporated in a network within a component. The component is a part of a manufactured product and defines an exterior panel. A fluid circuit is connected with the vascular channels and circulates a fluid through the component to collect heat from the product and to dissipate heat through the exterior panel.

VEHICLE ELECTRICAL SYSTEM WITH AN INVERTER AND ELECTRIC MOTOR FOR VOLTAGE REDUCTION

Ein Beispiel für ein elektrisches Fahrzeugsystem umfasst ein wiederaufladbares Energiespeichersystem (RESS) mit einer ersten Spannung und einen Wechselrichter, der elektrisch mit dem RESS verbunden ist. Das System umfasst ferner einen Elektromotor mit einer Vielzahl von Maschinenwicklungen, wobei jede der Maschinenwicklungen einen mehrphasigen Anschluss aufweist, der elektrisch mit dem Wechselrichter verbunden ist. Der Elektromotor umfasst außerdem einen von den mehrphasigen Anschlüssen getrennten Nullleiter. Das System umfasst außerdem eine Zusatzlast, die elektrisch mit dem Wechselrichter und dem Nullleiter des Elektromotors verbunden ist, wobei die Zusatzlast eine zweite Spannung benötigt, die unter der ersten Spannung liegt. Ein Strom fließt durch die Maschinenwicklungen, um die erste Spannung auf die zweite Spannung herabzusetzen. Der Wechselrichter ist so konfiguriert, dass er zwischen einem ersten und einem zweiten Betriebszustand zyklisch wechselt, so dass der Wechselrichter die erste Spannung auf die zweite Spannung herabsetzt. An example vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and an inverter electrically connected to the RESS. The system further includes an electric motor having a plurality of machine windings, each of the machine windings having a multi-phase terminal electrically connected to the inverter. The electric motor also includes a neutral wire separate from the polyphase connections. The system also includes a supplemental load electrically connected to the inverter and the neutral of the electric motor, the supplemental load requiring a second voltage lower than the first voltage. A current flows through the machine windings to step down the first voltage to the second voltage. The inverter is configured to cycle between first and second operating states such that the inverter steps down the first voltage to the second voltage.

Method and apparatus for determining magnetic flux and magnetic force in a solenoid assembly

A solenoid assembly includes a solenoid actuator having a core. A coil is configured to be wound at least partially around the core such that a magnetic flux (ϕ) is generated when an electric current flows through the coil. An armature is configured to be movable based on the magnetic flux (ϕ). A controller has a processor and tangible, non-transitory memory on which is recorded instructions for controlling the solenoid assembly. The controller is configured to obtain a plurality of model matrices, a coil current (i 1 ) and an eddy current (i 2 ). The magnetic flux (ϕ) is obtained based at least partially on a third model matrix (C 0 ), the coil current (i 1 ) and the eddy current (i 2 ). Operation of the solenoid actuator is controlled based at least partially on the magnetic flux (ϕ). In one example, the solenoid actuator is an injector.

Electric drive system with reconfigurable machine windings

An electric drive system includes a battery pack, a power inverter module (“PIM”), an electric machine, a switching circuit, and a controller. The electric machine has three or more phase legs. The PIM has a DC-side connected to the battery pack, and an alternating current (“AC”)-side connected to the electric machine. The switching circuit includes AC switches, and for each phase leg also includes three or more winding sections each electrically connectable to or disconnectable from the battery pack and PIM via the AC switches. The controller commands a binary switching state of each respective AC switch based on the rotary speed to implement one of three different speed-based operating modes of the electric machine, and to thereby vary a conductive path from the PIM to the electric machine through one or more of the connected winding sections.

Gate driver and protection system for a solid-state switch

A circuitry includes an electronic solid-state switch including a first power terminal and a second power terminal and a driver and switch protection system electrically connected to the electronic solid-state switch. The driver and switch protection system includes an isolated bias power circuit configured to output a direct current voltage of at least fifteen volts, a current buffer circuit electrically connected between the isolated bias power circuit and the electronic solid-state switch, and a snubber circuit electrically connected to the first power terminal and the second power terminal.

Stabilized pharmaceutical composition containing gaba analog and hydrogenated disaccharide and/or polyol

3-D power modules with double sided cooling per semiconductor die

A power module is provided and includes first stack, second stack, and third stacks of layers, a heat pipe, and at least one cold plate or heat sink. The third stack of layers is disposed between the first and second stacks of layers and includes a first semiconductor die, a second semiconductor die and a center spacer layer disposed between the first semiconductor die and the second semiconductor die. The heat pipe extends at least partially into the center spacer layer. The at least one cold plate or heat sink receives thermal energy from the first stack of layers and the second stack of layers. The first stack of layers, the second stack of layers, the third stack of layers, the heat pipe and the at least one cold plate or heat sink facilitate dual sided cooling of each of the first semiconductor die and the second semiconductor die.

Tizanidine liquid preparation and use thereof

A tizanidine liquid preparation and a use thereof in preparation of drugs for treating muscle spasm. The tizanidine liquid preparation comprises an active ingredient, EDTA disodium, and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Multifunctional charging topology for electric vehicle

A system in a vehicle includes a first winding section including first two or more windings and a second winding section including second two or more windings. Each of the second two or more windings corresponds to one of the first two or more windings of the first winding section. The system also includes an inverter including a high side switch and a low side switch corresponding to each of the first two or more windings. The inverter is coupled to a battery of the vehicle and boosts a voltage of a direct current (DC) charger during charging of the battery with the DC charger, converts alternating current (AC) from an AC grid to DC during charging of the battery with the AC grid, and converts DC to AC during supply of the AC grid by the battery.

Vorrichtung und Verfahren zum Laden einer Fahrzeugbatterie aus dem Stromnetz

Ladesystem zur Verwendung beim Bereitstellen von Leistung zum Laden einer Batterie, umfassend:eine erste Wechselstrom/Gleichstrom-Stufe (204, 804, 1504), umfassend:einen einphasigen Diodengleichrichter (214) zum Gleichrichten einer eingegebenen Eingangswechselspannung (812, 1512); undeine Leistungsfaktorkorrektur-Teilschaltung (224), die einen Schalter (228) enthält;eine zweite Gleichstrom/Gleichstrom-Stufe (206, 806, 1506), die mehrere Schalter (232, 234, 236, 238; 824, 826, 828, 830; 1526, 1528, 1530, 1532) umfasst;einen Hochfrequenzkondensator (208, 808), der zwischen der ersten Stufe (204, 804, 1504) und der zweiten Stufe (206, 806, 1506) verbunden ist; undeinen Controller (210, 810, 1510, 1704), der mit den Schaltern (228; 232, 234, 236, 238; 824, 826, 828, 830; 1526, 1528, 1530, 1532) der ersten und zweiten Stufe verbunden ist und ausgestaltet ist, um mithilfe der Schalter (228; 232, 234, 236, 238; 824, 826, 828, 830; 1526, 1528, 1530, 1532) den Zeitverlauf eines Verstärkungsinduktivitätenstroms zu steuern, der durch das Ladesystem hindurch fließt.

Busbar assembly for current sensing

A busbar assembly includes a base having a width and a length. The base has a first surface and a second surface and has a first side and a second side. A distance between the first side and the second side comprises the width, and the base defines a slot centered between approximately 75% and approximately 79% of the width.

High voltage switching for charging an electric vehicle

Examples described herein provide a method that includes determining whether a charging station for charging a battery of a vehicle is operating in a first high voltage mode or a second high voltage mode. The method further includes, responsive to determining that the charging station is operating in the first high voltage mode: enabling an electric motor and a traction power inverter of the vehicle to operate as a boost converter to boost an accessory bus voltage of the vehicle while charging in the first high voltage mode, and charging the battery of the vehicle by supplying electric power, at a first high voltage, from the charging station to the battery.

Rechargeable energy storage system balancing apparatus

A rechargeable energy storage system may include a series arrangement of a plurality of batteries coupled to a first DC bus at a first DC voltage. A DC to DC converter may include a multi-input DC input stage coupled to a multi-output DC output stage. The multi-input DC input stage may include multiple distributed DC inputs, each distributed DC input being coupled to a respective one of the plurality of batteries. The multi-output DC output stage may include multiple aggregated DC outputs. At least one controllable switch may couple one or more of the multiple aggregated DC outputs to one or more other DC buses.

Detection system for detecting capacitance degradation in inverters

A detection system for a capacitor of a power inverter of an electric vehicle includes a protection circuit including a current sensor and a power switch having a first terminal in communication with a battery system of the electric vehicle. The protection circuit is configured to selectively generate a pulse and to sense a measured current flowing through the power switch. A voltage sensor configured to sense a measured voltage across the capacitor. A controller in communication with the voltage sensor and the protection circuit is configured to estimate a capacitance value of the capacitor based on the measured current and the measured voltage.

Slew rate controllable system for powering electric machine

A slew rate controllable system for powering an electric machine. The system may include a plurality of power transistors operable for converting a direct current (DC) input into an alternating current (AC) output suitable for electrically powering the electric machine. The system may further include a gate drive system operable for controlling a slew rate associated with transitioning the power transistors between the opened and closed states.

Rechargable energy storage system balancing

A method and apparatus for electrical energy transfer between a pair of series connected batteries coupled between positive and negative DC rails of a power inverter operatively connected to a plurality of stator phase windings of a stator winding of a motor may include coupling a midpoint of the pair of series connected batteries to the stator winding of the motor, and controlling the power inverter to operate the power inverter and the stator winding as a switched-mode power converter to charge at least one of the stator phase windings from one of the pair of series connected batteries and to discharge the at least one of the stator phase windings to the other of the pair of series connected batteries.

Propulsion systems with power sources compatible with different charging stations and dynamically scalable for different vehicle speed and torque modes

A charging system includes a scalable power source for powering a motor of a vehicle and telematics and battery management modules. The scalable power source includes: N battery packs, where N is an integer greater than or equal to 3; and multiple switches connected to the N battery packs including N−1 switches for serially connecting the N battery packs between supply and return lines and a multiple of N switches for parallel connecting the N battery packs to the supply and return lines. The telematics module requests capability of a charging station and receives a response signal from a device indicating the capability of the charging station. The battery management module: based on the capability of the charging station, selects one of the available arrangements in which to connect the N battery packs, sets states of the multiple switches; and then charges the N battery packs based on the states.

Vehicle with integrated dc-dc converter

A battery charging system includes: an electric motor including stator coils; a battery; a charge port configured to receive power from charging stations by wire; first and second electrical conductors connected between the battery and the charge port; an inverter module including (a) inputs connected to receive power from the battery and (b) outputs connected to the electric motor; a third electrical conductor; and a switch configured to electrically connect and disconnect a first end of the third electrical conductor to and from the first electrical conductor, where the third electrical conductor includes a second end that is connected to at least one of the stator coils via one of the outputs of the inverter module.

Electronic gear changing multifunction inverter

A method includes: selectively actuating switches of an inverter module and first, second, third, and fourth switches of a motor; and charging a battery with power from a charger using at least one of first, second, and third stator windings of the motor, the battery having a first voltage and being electrically connected in parallel with the inverter module, and the charger having a second voltage that is less than the first voltage.

Operator-selected operation of electric propulsion system having reconfigurable series/parallel voltage source

An electric propulsion system includes a rotary electric machine having an output member, a rechargeable energy storage system (“RESS”) connected to the electric machine, a user interface device, and a controller. The RESS includes multiple battery modules and a switching circuit, the latter being configured, in response to electronic switching control signals, to connect the battery modules in a parallel-connected configuration or a series-connected configuration, as a selected battery configuration. The user interface device receives an operator-requested drive mode request as an electrical signal indicative of a desired drive mode of the electric propulsion system. The controller, which is programmed with mode-specific electrical loss information associated with the desired drive mode, establishes the selected battery configuration in response to the drive mode request, and presents a drive mode recommendation via the user interface device when the loss information associated with the desired drive mode exceeds a calibrated loss threshold.

Batterieelektrisches System mit schaltbarer Architektur mit thermischem Durchgehschutz

Ein wiederaufladbares Energiespeichersystem (RESS) umfasst eine Batteriesteuerung und Batteriemodule, wobei jedes Modul Batteriezellen, eine Zellenerfassungsplatine und einen Halbleiterschalter aufweist. Der Schalter ist parallel zu den Zellen innerhalb des jeweiligen Moduls geschaltet und konfiguriert, während eines thermischen Durchgehungs-Ausbreitungsereignisses (TRP), bei dem sich eine oder mehrere Zellen in einem Zustand mit offenem Schaltkreis befinden, einen elektrischen Strom leitet. Dadurch wird das Modul umgangen und die Stromversorgung der elektrischen Komponenten durch das RESS während des TRP-Ereignisses ermöglicht. Ein batteriebetriebenes elektrisches System umfasst einen Gleichstrom-Spannungsbus (DC-Spannungsbus), eine daran angeschlossene elektrische Komponente, die Batteriesteuerung und das RESS. Ein Verfahren zum Aufbauen des RESS umfasst das Parallelschalten eines jeweiligen Halbleiterschalters mit der mindestens einen Batteriezelle jedes jeweiligen der mehreren Batteriemodule und das elektrische Verbinden der mehreren Batteriemodule miteinander, um das RESS aufzubauen.

Charging architecture for reconfigurable battery pack using solid-state and contactor switches

A battery system includes first and second battery packs connected to positive and negative DC voltage bus rails, a contactor switch connected between the battery packs, a solid-state switch in series with the contactor switch, and a controller. The controller determines characteristic values of the switches, including a respective temperature, voltage, and current value for each. The controller also detects a predetermined electrical fault condition of the contactor switch using the characteristic values, and executes a control action in response to the electrical fault condition. The control action includes opening the semi-conductor switch to thereby interrupt a flow of current between the first and second battery packs. A mobile platform includes road wheels connected to a body, a rotary electric machine configured to power the road wheels and thereby propel the mobile platform, and the battery pack, switches, and controller.

Circuit-triggered fault mitigation for battery electric system and motor vehicle having the same

A battery electric system for a motor vehicle or another electrified system includes a battery pack connected to a direct current voltage bus, and having positive and negative battery terminals, a main pyrotechnic fuse (“pyro fuse”), a high-voltage (HV) component connected to the bus via an HV channel, a current sensing element connected to the HV component on the HV channel, and a control system configured to selectively disconnect the battery pack from the bus by transmitting a voltage signal to the main pyro fuse when a measured current value from the current sensor is indicative of a short-circuit fault. A channel switch may be connected to or integral with the current sensing element, and configured to disconnect the HV component from the bus by opening in response to the measured current value.

Architektur des elektrischen antriebssystems

Verfahren zum Steuern des schnellen Ladens mindestens eines Batteriepacks innerhalb eines elektrischen Hochspannungsantriebssystems, das das Identifizieren eines Betriebszustands umfasst, wobei der Betriebszustand entweder der Lademodus oder der Antriebsmodus ist, und, wenn das elektrische System im Lademodus ist, das Einleiten des Ladens des mindestens einen Batteriepacks, Beenden des Ladens des mindestens einen Batteriepackes und Verbinden des mindestens einen Batteriepackes mit Leistungskomponenten des elektrischen Antriebssystems, wenn es eine Anforderung gibt, das Laden des mindestens einen Batteriepackes zu beenden, und Beenden des Ladens des mindestens einen Batteriepackes und Verbinden des mindestens einen Batteriepackes mit Leistungskomponenten des elektrischen Antriebssystems, wenn es keine Anforderung gibt, das Laden des mindestens einen Batteriepackes zu beenden, und das Laden des mindestens einen Batteriepackes abgeschlossen ist.

Vehicle electrical system having a power inverter and electric motor for stepping down voltage

An example of a vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and a power inverter electrically connected to the RESS. The system further includes an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter. The electric motor further includes a neutral terminal separate from the polyphase terminals. The system further includes an accessory load electrically connected to the power inverter and the neutral terminal of the electric motor, with the accessory load requiring a second voltage that is below the first voltage. A current flows through the machine windings to step down the first voltage to the second voltage. The power inverter is configured to cycle between first and second operational states, such that the power inverter steps down the first voltage to the second voltage.

Vehicle integrated dc-dc energy transfer

Electrical energy is transferred between an on-vehicle DC power source and an off-vehicle DC power source by controlling conduction of the phase legs of a power inverter to operatively configure the power inverter and the stator phase windings of a traction motor as a switched-mode power converter including the at least one phase winding and at least one switch of one of the phase legs.

Tizanidine liquid preparation and use thereof

A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Ausgleichen von wiederaufladbaren energiespeichersystemen

Ein Verfahren und eine Vorrichtung zur elektrischen Energieübertragung zwischen einem Paar in Reihe geschalteter Batterien, die zwischen positiven und negativen Gleichstromschienen eines Wechselrichters angeschlossen sind, der betriebsbereit an eine Vielzahl von Statorphasenwicklungen einer Statorwicklung eines Motors angeschlossen ist, das Koppeln eines Mittelpunkts des Paars in Reihe geschalteter Batterien an die Statorwicklung des Motors enthalten kann, und das Steuern des Wechselrichters umfassen kann, um den Wechselrichter und die Statorwicklung als getakteten Stromrichter zu betreiben, um mindestens eine der Statorphasenwicklungen von einer der beiden in Reihe geschalteten Batterien zu laden und die mindestens eine der Statorphasenwicklungen an die andere der beiden in Reihe geschalteten Batterien zu entladen.

Fahrzeug mit integriertem Gleichstromwandler

Ein Batterieladesystem umfasst einen Elektromotor, der Statorspulen enthält; eine Batterie; einen Ladeanschluss, der dafür konfiguriert ist, über Draht Leistung von Ladestationen zu empfangen; einen ersten und einen zweiten elektrischen Leiter, die zwischen der Batterie und dem Ladeanschluss verbunden sind; ein Stromrichtermodul, das (a) zum Empfangen von Leistung von der Batterie verbundene Eingänge und (b) mit dem Elektromotor verbundene Ausgänge enthält; einen dritten elektrischen Leiter; und einen Schalter, der dafür konfiguriert ist, ein erstes Ende des dritten elektrischen Leiters mit dem ersten elektrischen Leiter elektrisch zu verbinden und von ihm zu trennen, wobei der dritte elektrische Leiter ein zweites Ende enthält, das über einen der Ausgänge des Stromrichtermoduls mit wenigstens einer der Statorspulen verbunden ist.

Power control system for switching battery configuration during driving

A power control system comprises a battery system including N battery packs. A plurality of contactors selectively connects N battery packs of a battery system in a first configuration supplying a first voltage level, a second configuration supplying a second voltage level, and a disconnected configuration. M power inverters connect the battery system to M electric machines, respectively. A controller is configured to determine when to transition between the first configuration and the second configuration. The controller is configured to transition between the first configuration and the second configuration by causing one of a positive torque transient and a negative torque transient to be generated by at least one of the M electric machines, transitioning the battery system from one of the first configuration and the second configuration to the disconnected configuration, and transitioning from the disconnected configuration to the other one of the first configuration and the second configuration.

Power control system for switching battery configuration during driving

A power control system comprises a battery system including N battery packs. A plurality of contactors selectively connects N battery packs of a battery system in a first configuration supplying a first voltage level, a second configuration supplying a second voltage level, and a disconnected configuration. M power inverters connect the battery system to M electric machines, respectively. A controller is configured to determine when to transition between the first configuration and the second configuration. The controller is configured to transition between the first configuration and the second configuration by causing one of a positive torque transient and a negative torque transient to be generated by at least one of the M electric machines, transitioning the battery system from one of the first configuration and the second configuration to the disconnected configuration, and transitioning from the disconnected configuration to the other one of the first configuration and the second configuration.

Flexible electrified vehicle power transfer

An electrified vehicle may include a plurality of electric drive units, a plurality of battery packs, a plurality of charge ports and a plurality of controllable switches. The switches may be controlled to flexibly configure power transfer into and out of the vehicle through one or more charge ports affecting one or more battery packs in parallel or individually passively or actively through inverter integrated converter charge transfer.

Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports

A system for use with a direct current fast-charging (DCFC) station includes a controller and battery system. The battery system includes first and second battery packs, and first, second, and third switches. The switches have ON/OFF conductive states commanded by the controller to connect the battery packs in a parallel-connected (P-connected) or series-connected (S-connected) configuration. An electric powertrain with one or more electric machines is powered via the battery system. First and second charge ports of the system are connectable to the station via a corresponding charging cable. The first charge port receives a low or high charging voltage from the station. The second charge port receives a low charging voltage. When the station can supply the high charging voltage to the first charge port, the controller establishes the S-connected configuration via the switches, and thereafter charges the battery system solely via the first charge port.

Hochspannungsschalten zum laden eines elektrofahrzeugs

Hier beschriebene Beispiele stellen ein Verfahren bereit, das bestimmt, ob eine Ladestation zum Laden einer Batterie eines Fahrzeugs in einer ersten Hochspannungsbetriebsart oder in einer zweiten Hochspannungsbetriebsart arbeitet. Ferner enthält das Verfahren in Ansprechen auf die Bestimmung, dass die Ladestation in der ersten Hochspannungsbetriebsart arbeitet: Aktivieren, dass ein Elektromotor und ein Traktionsleistungsstromrichter des Fahrzeugs als ein Hochsetzsteller arbeiten, um eine Zubehörbusspannung des Fahrzeugs zu erhöhen, während in der ersten Hochspannungsbetriebsart geladen wird, und Laden der Batterie des Fahrzeugs durch Zuführen elektrischer Leistung bei einer ersten Hochspannung von der Ladestation zu der Batterie.

Solid-state fuse having multiple control circuits

A solid-state fuse device includes a switch a gate driver connected to the switch and configured to transition the switch from a closed state to an open state when at least one of an overcurrent measurement exceeds a predetermined overcurrent threshold or a voltage drop across the switch exceeds a predetermined saturation voltage threshold.

Tizanidine liquid preparation and use thereof

A tizanidine liquid preparation and a use thereof in preparation of drugs for treating muscle spasm. The tizanidine liquid preparation comprises an active ingredient, EDTA disodium, and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Tizanidine liquid preparation and use thereof

A tizanidine liquid preparation and a use thereof in preparation of drugs for treating muscle spasm. The tizanidine liquid preparation comprises an active ingredient, EDTA disodium, and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Tizanidine liquid preparation and use thereof

A tizanidine liquid preparation and use of the tizanidine liquid preparation in the preparation of a medicament for treating muscle spasm, wherein the tizanidine liquid preparation comprises an active ingredient, disodium EDTA and other pharmaceutical excipients, wherein the active ingredient is one or more of tizanidine or a pharmaceutically acceptable salt, solvate and hydrate thereof.

Multifunktionale ladetopologie für elektrofahrzeug

Ein System in einem Fahrzeug enthält einen ersten Wicklungsabschnitt, der zwei oder mehr erste Wicklungen enthält, und einen zweiten Wicklungsabschnitt, der zwei oder mehr zweite Wicklungen enthält. Jede der zwei oder mehr zweiten Wicklungen entspricht einer der zwei oder mehr ersten Wicklungen des ersten Wicklungsabschnitts. Außerdem enthält das System einen Stromrichter, der einen Schalter der hohen Seite und einen Schalter der tiefen Seite, die jeder den zwei oder mehr ersten Wicklungen entsprechen, enthält. Der Stromrichter ist mit einer Batterie des Fahrzeugs gekoppelt und erhöht während des Ladens der Batterie mit dem DC-Ladegerät eine Spannung eines Gleichstrom-Ladegeräts (DC-Ladegeräts), wandelt während des Ladens der Batterie mit dem AC-Netz Wechselstrom (AC) von einem AC-Netz in DC um und wandelt während der Versorgung des AC-Netzes durch die Batterie DC in AC um.

Multifunctional charging topology for electric vehicle

A system in a vehicle includes a first winding section including first two or more windings and a second winding section including second two or more windings. Each of the second two or more windings corresponds to one of the first two or more windings of the first winding section. The system also includes an inverter including a high side switch and a low side switch corresponding to each of the first two or more windings. The inverter is coupled to a battery of the vehicle and boosts a voltage of a direct current (DC) charger during charging of the battery with the DC charger, converts alternating current (AC) from an AC grid to DC during charging of the battery with the AC grid, and converts DC to AC during supply of the AC grid by the battery.

Halbleiterrelais für wechselstrom

Ein Wechselstrom (AC)-Festkörperrelais enthält ein Gehäuse, mindestens ein Silizium (Si)-Halbleiterbauelement und mindestens ein Breitbandlücken (WBG)-Halbleiterbauelement, das elektrisch mit dem mindestens einen Si-Halbleiterbauelement verbunden ist. Sowohl das Si-Halbleiterbauelement als auch das WBG-Halbleiterbauelement sind vollständig innerhalb des Gehäuses angeordnet, um den vom AC-Festkörperrelais eingenommenen Raum zu minimieren. Jedes der Si-Halbleiterbauelemente und der WBG-Halbleiterbauelemente ist innerhalb des Gehäuses elektrisch miteinander verbunden, um die Kosten zu minimieren und den Lastwirkungsgrad zu maximieren, während eine vorbestimmte Nennstromfähigkeit für das AC-Festkörperrelais erreicht wird.

Busbar assembly for current sensing

A busbar assembly includes a base having a width and a length. The base has a first surface and a second surface and has a first side and a second side. A distance between the first side and the second side comprises the width, and the base defines a slot centered between approximately 75% and approximately 79% of the width.

Sammelschienenanordnung für die stromerfassung

Eine Sammelschienenanordnung umfasst eine Basis mit einer Breite und einer Länge. Die Basis hat eine erste Oberfläche und eine zweite Oberfläche und eine erste Seite und eine zweite Seite. Ein Abstand zwischen der ersten Seite und der zweiten Seite umfasst die Breite, und die Basis definiert einen Schlitz, der zwischen ungefähr 75% und ungefähr 79% der Breite zentriert ist.

Vaskuläre strukturen und verfahren zur thermischen kontrolle

Es sind Systeme und Verfahren zur thermischen Kontrolle mittels vaskulärer Kanäle vorgesehen. Vaskuläre Kanäle sind in ein Netzwerk innerhalb einer Komponente integriert. Die Komponente ist Teil einer für Insassen konfigurierten hergestellten Umgebung. Ein Fluidkreislauf ist mit den vaskulären Kanälen verbunden und zirkuliert ein Fluid durch die Komponente, um einen thermischen Zustand der Komponente zu verändern.

Vaskuläre polymeranordnung

Es ist eine vaskuläre Polymeranordnung vorgesehen, die eine Wärmequelle und ein Polymersubstrat beinhaltet, das konfiguriert ist, um mindestens einen Teil der Wärmequelle zu umschließen und zu schützen; und einen Kanal, der in dem Polymersubstrat definiert ist, das konfiguriert ist, um einen Wärmestrom von der Wärmequelle weg über einen Kanalkühlmittelstrom zu übertragen.

Battery switch control systems and methods

A battery system includes a plurality of battery modules electrically connected in series. Each of the battery modules includes: one or more battery cells; a first switch connected between a positive reference potential of the one or more battery cells and a first node; and a second switch connected between the first node and a second node, where a negative reference potential of the one or more battery cells is connected to the second node. A management module is configured to: selectively close the first switches of the battery modules while the second switches are open; and selectively close the second switch of one of the battery modules while the first switch of the one of the battery modules is open.

Ausgleichseinrichtung eines wiederaufladbaren Energiespeichersystems

Ein wiederaufladbares Energiespeichersystem kann eine Reihenanordnung von mehreren Batterien, die mit einem ersten DC-Bus auf einer ersten DC-Spannung gekoppelt sind, umfassen. Ein DC/DC-Umsetzer kann eine DC-Eingangsstufe mit mehreren Eingängen, die mit einer DC-Ausgangsstufe mit mehreren Ausgängen gekoppelt ist, umfassen. Die DC-Eingangsstufe mit mehreren Eingängen kann mehrere verteilte DC-Eingänge umfassen, wobei jeder verteilte DC-Eingang mit einer jeweiligen der mehreren Batterien gekoppelt ist. Die DC-Ausgangsstufe mit mehreren Ausgängen kann mehrere aggregierte DC-Ausgänge umfassen. Mindestens ein steuerbarer Schalter kann einen oder mehrere der mehreren aggregierten DC-Ausgänge mit einem oder mehreren anderen DC-Bussen koppeln.

Rechargable energy storage system balancing apparatus

A rechargeable energy storage system may include a series arrangement of a plurality of batteries coupled to a first DC bus at a first DC voltage. A DC to DC converter may include a multi-input DC input stage coupled to a multi-output DC output stage. The multi-input DC input stage may include multiple distributed DC inputs, each distributed DC input being coupled to a respective one of the plurality of batteries. The multi-output DC output stage may include multiple aggregated DC outputs. At least one controllable switch may couple one or more of the multiple aggregated DC outputs to one or more other DC buses.

Vehicle charging using a multi-drive system

A charging system of a vehicle includes a first conversion device of a first drive system of the vehicle, the first conversion device connected to a first electric motor. The system also includes a second conversion device of a second drive system of the vehicle, the second conversion device connected to a second electric motor. The first drive system and the second drive system are connected to a battery system of the vehicle. The system also includes a switching assembly including a plurality of switches configured to selectively connect the first electric motor and/or the second electric motor to a charge port of the vehicle, and a controller configured to control the switching assembly to define a conversion circuit that includes components of the first drive system and/or the second drive system, and control the conversion circuit to regulate an output voltage and supply power to an energy storage system.

Vehicle charging using a multi-functional inverter system

A charging system of a vehicle includes an inverter of a propulsion system, the inverter connected to an electric motor and a battery system of the vehicle, and a switching assembly including a plurality of switches. The charging system also includes a controller configured to control the switching assembly to connect the inverter and the electric motor to a charge port of the vehicle and define a conversion circuit including one or more inverter switches and the electric motor by selectively connecting the charge port to the inverter or the electric motor and selectively connecting the battery system to the electric motor by the switching assembly. The controller is configured to operate the conversion circuit to adjust at least one of an input voltage for charging the battery system from a power source, and an output voltage for discharging the battery system to charge an external energy storage system.

Solid-state multi-switch device

A solid-state switch assembly includes a base plate and an electrically insulating layer affixed to the base plate. First, second, third, and fourth power traces are affixed to the electrically insulating layer. First semiconductor devices are arranged on the first power trace to control power flow between the first power trace and the second power trace, second semiconductor devices are arranged on the second power trace to control power flow between the second power trace and the third power trace, and third semiconductor devices are arranged on the third power trace to control power flow between the third and fourth power traces. A first signal conductor communicates with the first semiconductor devices. A second signal conductor communicates with the second semiconductor devices. A third signal conductor communicates with the third semiconductor devices.

Electronic gear changing multifunction inverter

A method includes: selectively actuating switches of an inverter module and first, second, third, and fourth switches of a motor; and charging a battery with power from a charger using at least one of first, second, and third stator windings of the motor, the battery having a first voltage and being electrically connected in parallel with the inverter module, and the charger having a second voltage that is less than the first voltage.

Vehicle with integrated DC-DC converter

A battery charging system includes: an electric motor including stator coils; a battery; a charge port configured to receive power from charging stations by wire; first and second electrical conductors connected between the battery and the charge port; an inverter module including (a) inputs connected to receive power from the battery and (b) outputs connected to the electric motor; a third electrical conductor; and a switch configured to electrically connect and disconnect a first end of the third electrical conductor to and from the first electrical conductor, where the third electrical conductor includes a second end that is connected to at least one of the stator coils via one of the outputs of the inverter module.

Elektronischer gangwechselmultifunktionswechselrichter

Ein Verfahren umfasst: wahlweises Betätigen von Schaltern eines Wechselrichtermoduls und eines ersten, eines zweiten, eines dritten und eines vierten Schalters eines Motors; und Aufladen einer Batterie mit Leistung von einer Aufladungseinrichtung unter Verwendung der ersten, der zweiten und/oder der dritten Statorwicklung des Motors, wobei die Batterie eine erste Spannung aufweist und mit dem Wechselrichtermodul elektrisch parallel geschaltet ist, und die Aufladungseinrichtung eine zweite Spannung aufweist, die geringer ist als die erste Spannung.

Antriebssysteme mit Leistungsquellen, die mit verschiedenen Ladestationen kompatibel sind und für verschiedene Fahrzeuggeschwindigkeits- und Drehmomentbetriebsarten dynamisch skalierbar sind

Ein Ladesystem enthält eine skalierbare Leistungsquelle zum Versorgen eines Motors eines Fahrzeugs mit Leistung und Telematik- und Batteriemanagementmodule. Die skalierbare Leistungsquelle enthält: N Batteriebaugruppen, wobei N eine ganze Zahl größer als oder gleich 3 ist; und mehrere Schalter, die mit den N Batteriebaugruppen verbunden sind, einschließlich N - 1 Schaltern zum Reihenschalten der N Batteriebaugruppen zwischen Versorgungs- und Rückleitungen und mehrfach vorhandenen N Schaltern zum Parallelschalten der N Batteriebaugruppen zu den Versorgungs- und Rückleitungen. Das Telematikmodul fordert die Fähigkeit einer Ladestation an und empfängt ein Antwortsignal von einer Vorrichtung, das die Fähigkeit der Ladestation angibt. Das Batteriemanagementmodul: wählt basierend auf der Fähigkeit der Ladestation eine der verfügbaren Anordnungen aus, in der die N Batteriebaugruppen zu verbinden sind, legt die Zustände der mehreren Schalter fest; und lädt dann basierend auf den Zuständen die N Batteriebaugruppen.

Vom bediener gewählter betrieb eines elektrischen antriebssystems mit rekonfigurierbarer serieller/paralleler spannungsquelle

Ein elektrisches Antriebssystem umfasst eine rotierende elektrische Maschine mit einem Ausgangselement, ein wiederaufladbares Energiespeichersystem („RESS“), das mit der elektrischen Maschine verbunden ist, eine Benutzerschnittstellenvorrichtung und ein Steuergerät. Das RESS umfasst mehrere Batteriemodule und einen Schaltkreis, wobei letzterer so konfiguriert ist, dass er als Reaktion auf elektronische Schaltsteuersignale die Batteriemodule in einer parallel geschalteten („P-geschalteten“) Konfiguration oder einer in Reihe geschalteten („S-geschalteten“) Konfiguration als ausgewählte Batteriekonfiguration verbindet. Die Benutzerschnittstelle empfängt ein vom Bediener angefordertes Fahrmodus-Signal, das einen gewünschten Fahrmodus des elektrischen Antriebssystems angibt. Das Steuergerät, das mit modusspezifischen elektrischen Verlusten programmiert ist, die mit dem gewünschten Antriebsmodus verbunden sind, stellt die ausgewählte Batteriekonfiguration als Reaktion auf das Antriebsmodussignal ein und gibt eine Antriebsmodusempfehlung über die Benutzerschnittstellenvorrichtung aus, wenn die mit dem gewünschten Antriebsmodus verbundenen Verluste einen kalibrierten Verlustschwellenwert überschreiten.

Schaltungsgetriggerte fehlerabschwächung für ein batterieelektrisches system und ein kraftfahrzeug, das dasselbe aufweist

Ein batterieelektrisches System für ein Kraftfahrzeug oder ein anderes elektrifiziertes System schließt einen Batteriesatz, der mit einem Gleichstrom-Spannungsbus verbunden ist, und positive und negative Batteriepole aufweist, eine Haupt-Pyro-Sicherung („Pyro-Sicherung“), eine Hochspannungs- (HV) Komponente, die mit dem Bus über einen HV-Kanal verbunden ist, ein Stromsensorelement, das mit der HV-Komponente auf dem HV-Kanal verbunden ist, und ein Steuersystem, das so konfiguriert ist, dass es den Batteriesatz selektiv vom Bus trennt, indem es ein Spannungssignal an die Haupt-Pyro-Sicherung überträgt, wenn ein gemessener Stromwert vom Stromsensor einen Kurzschlussfehler angibt. Ein Kanalschalter kann mit dem Stromsensorelement verbunden oder darin integriert, und so konfiguriert sein, dass er die Hochspannungs-HV Komponente durch Öffnen als Reaktion auf den gemessenen Stromwert vom Bus trennt.

Schnelles gleichstromladen durch regelung eines multifunktionalen inverterbasierten aufwärtswandlers mit geschlossenem regelkreis

Ein Verfahren zum Laden eines Batteriesatzes über eine Bordunabhängigen Energiequelle verwendet einen verschachtelten Aufwärtswandler und eine geschlossene Regelschleife. Die Energiequelle liefert einen Ladestrom über einen Gleichstrom-Ladeanschluss während eines Gleichstrom-Schnellladevorgangs (DCFC). Eine Steuerung erkennt eine Spannungsdiskrepanz, bei der die Spannungsfähigkeit des Akkupacks die Spannungsfähigkeit der Energiequelle übersteigt. Als Reaktion auf diese Bedingung wird ein Anstieg des Ladestroms über die Zeit als Stromkurve aufgezeichnet, und aus der Stromkurve wird eine äquivalente Zeitkonstante im offenen Regelkreis extrahiert. Eine Zeitkonstante des PI-Regelblocks wird im Wesentlichen gleich der äquivalenten Zeitkonstante gesetzt. Der PIM wird im geschlossenen Regelkreis mit einer Proportional-Integral-Regelung gesteuert. Der Ladestrom wird während des DCFC-Prozesses in einem kontinuierlichen Stromführungsmodus geregelt.

Fahrzeugintegrierte dc-dc-energieübertragung

Zwischen einer fahrzeuginternen DC-Leistungsquelle und einer fahrzeugexternen DC-Leistungsquelle wird elektrische Energie durch Steuern der Leitung der Phasenzweige eines Leistungswechselrichters, um den Leistungswechselrichter und die Statorphasenwicklungen eines Fahrmotors betriebstechnisch als einen Leistungsumsetzer mit geschalteter Betriebsart zu konfigurieren, der die wenigstens eine Phasenwicklung und wenigstens einen Schalter eines der Phasenzweige enthält, übertragen.

System und verfahren zur steuerung eines multifunktionalen elektrischen antriebsstrangs

Ein System zur Steuerung eines elektrischen Antriebsstrangs ist vorgesehen. Der Antriebsstrang umfasst eine Batterie, die so konfiguriert ist, dass sie elektrische Energie mit einer ersten, relativ höheren Gleichstromspannung bereitstellt. Der Antriebsstrang umfasst ferner einen Wechselrichter mit einer ersten Phasenschaltung, einer zweiten Phasenschaltung mit ersten und zweiten Schaltern, und einer dritten Phasenschaltung mit dritten und vierten Schaltern. Der Antriebsstrang umfasst ferner einen Motor, der so konfiguriert ist, dass er elektrische Wechselstromenergie vom Wechselrichter empfängt. Das System umfasst ferner eine rechnergestützte Steuerung, die einen Ladezyklus durchführt. Der Ladezyklus umfasst das Deaktivieren der ersten Phasenschaltung des Wechselrichters und das selektive zyklische Aktivieren des ersten Schalters, des zweiten Schalters, des dritten Schalters und des vierten Schalters, um elektrische Energie, die mit einer zweiten, relativ niedrigeren Spannung bereitgestellt wird, als Gleichstrom durch den Motor zu leiten, um einen Fluss an elektrischer Energie mit der ersten Spannung zur Batterie bereitzustellen.

Flexible leistungsübertragung eines elektrifizierten fahrzeugs

Ein elektrifiziertes Fahrzeug kann mehrere elektrische Antriebseinheiten, mehrere Batteriebaugruppen, mehrere Ladeports und mehrere steuerbare Schalter umfassen. Die Schalter können gesteuert werden, um die Leistungsübertragung in das und aus dem Fahrzeug durch einen oder mehrere Ladeports, die sich auf eine oder mehrere Batteriebaugruppen auswirken, parallel oder individuell passiv oder aktiv durch eine Ladungsübertragung eines integrierten Umsetzers des Wechselrichters flexibel zu konfigurieren.

Circuit-triggered fault mitigation for battery electric system and motor vehicle having the same

A battery electric system for a motor vehicle or another electrified system includes a battery pack connected to a direct current voltage bus, and having positive and negative battery terminals, a main pyrotechnic fuse (“pyro fuse”), a high-voltage (HV) component connected to the bus via an HV channel, a current sensing element connected to the HV component on the HV channel, and a control system configured to selectively disconnect the battery pack from the bus by transmitting a voltage signal to the main pyro fuse when a measured current value from the current sensor is indicative of a short-circuit fault. A channel switch may be connected to or integral with the current sensing element, and configured to disconnect the HV component from the bus by opening in response to the measured current value.

Batterieschaltersteuersysteme und -verfahren

Ein Batteriesystem enthält mehrere Batteriemodule, die elektrisch in Reihe geschaltet sind. Jedes der Batteriemodule enthält: eine oder mehrere Batteriezellen; einen ersten Schalter, der zwischen ein positives Bezugspotential der einen oder mehreren Batteriezellen und einen ersten Knoten geschaltet ist; und einen zweiten Schalter, der zwischen den ersten Knoten und einen zweiten Knoten geschaltet ist, wobei ein negatives Bezugspotential der einen oder mehreren Batteriezellen mit dem zweiten Knoten verbunden ist. Ein Managementmodul ist konfiguriert zum: wahlweisen Schließen der ersten Schalter der Batteriemodule, während die zweiten Schalter geöffnet sind; und wahlweisen Schließen des zweiten Schalters eines der Batteriemodule, während der erste Schalter des einen der Batteriemodule geöffnet ist.

Solid-state multi-switch device

An electronic solid-state switch assembly includes a base plate and a heat exchanger; an electrically insulating layer and a direct bonded substrate affixed to the base plate; a first terminal and a second terminal; a plurality of power transistors; a plurality of gate drivers; a communication interface, a current sensor, and a snubber circuit; and a controller. The plurality of gate drivers are operatively coupled to the plurality of power transistors. The plurality of power transistors are arranged in parallel on the direct bonded substrate between the first terminal and the second terminal. The plurality of power transistors are electrically connected to the first terminal and to the second terminal. The controller is in communication with the plurality of gate drivers, the current sensor, and the communication interface. The controller is configured to control, via the plurality of gate drivers, the plurality of power transistors.

Vehicle battery systems including DC-DC converters

A battery system for a vehicle includes multiple battery cells each configured to store charge for powering an electric vehicle, a high voltage bus electrically coupled with the multiple battery cells to provide power to an electric motor, and multiple cell monitoring modules each coupled with a corresponding one of the multiple battery cells, each cell monitoring module including a controller configured to monitor operation parameters of the corresponding one of the multiple battery cells. The system includes multiple DC-DC converters in a converter housing, each DC-DC converter electrically coupled with a corresponding one of the multiple battery cells outside of the converter housing, and a low voltage bus electrically connected between the multiple DC-DC converters in the converter housing and at least one vehicle electrical component outside of the converter housing. The low voltage bus is configured to provide low voltage power to at least one vehicle electrical component.

Battery disconnect mechanization for direct current fast charging

A battery system includes a battery pack configured to be selectively connected to an output terminal of the battery system and a DCFC receptacle, a first contactor that is connected between the DCFC receptacle and a first terminal of the battery pack, and a first SSR connected in series with the first contactor between the DCFC receptacle and the first terminal of the battery pack. The first SSR has an open state where current from the DCFC receptacle to the battery pack is interrupted and a dosed state where current flows from the DCFC receptacle to the battery pack, the first SSR is configured to transition from the dosed state to the open state prior to the first contactor, and current only flows from the DCFC receptacle to the battery pack when both the first contactor and the first SSR are in the closed state.

Stromsteuerungssystem zum schalten der batteriekonfiguration während des fahrens

Ein Stromsteuerungssystem umfasst ein Batteriesystem, das N Batteriesätze einschließt. Eine Mehrzahl von Schützen verbindet selektiv N Batteriesätze eines Batteriesystems in einer ersten Konfiguration, die einen ersten Spannungspegel abgibt, einer zweiten Konfiguration, die einen zweiten Spannungspegel abgibt, und einer getrennten Konfiguration. M Wechselrichter verbinden das Batteriesystem jeweils mit M elektrischen Maschinen. Eine Steuerung ist konfiguriert, um zu bestimmen, wann der Wechsel zwischen der ersten Konfiguration und der zweiten Konfiguration erfolgen soll. Die Steuerung ist konfiguriert, um zwischen der ersten Konfiguration und der zweiten Konfiguration zu wechseln, durch Veranlassen, dass eine von einer positiven Drehmomenttransiente und einer negativen Drehmomenttransiente durch mindestens eine der M elektrischen Maschinen erzeugt wird, Wechseln des Batteriesystems von der ersten Konfiguration oder der zweiten Konfiguration zur getrennten Konfiguration und Wechseln von der getrennten Konfiguration zur anderen von der ersten Konfiguration und der zweiten Konfiguration.

Charging to and/or from a vehicle using a scalable buck-boost system

A charging system for a vehicle includes a conversion device configured to transfer an electric charge between a battery assembly of the vehicle and an energy storage system, the battery assembly having a first voltage and the energy storage system having a second voltage, the conversion device including a scalable buck-boost system having a plurality of buck-boost modules. Each buck-boost module of the plurality of buck-boost modules includes a set of switches and an inductor. The charging system also includes a controller configured to operate one or more buck-boost modules of the plurality of buck-boost modules during transfer of charge between the battery assembly and the energy storage system.

Flexible electrified vehicle power transfer

An electrified vehicle may include a plurality of electric drive units, a plurality of battery packs, a plurality of charge ports and a plurality of controllable switches. The switches may be controlled to flexibly configure power transfer into and out of the vehicle through one or more charge ports affecting one or more battery packs in parallel or individually passively or actively through inverter integrated converter charge transfer.

Batterietrennmechanisierung für gleichstrom-schnellladen

Ein Batteriesystem enthält eine Batteriebaugruppe, die konfiguriert ist, mit einem Ausgangsanschluss des Batteriesystems und einer DCFC-Buchse selektiv verbunden zu werden, ein erstes Schütz, das zwischen die DCFC-Buchse und einen ersten Anschluss der Batteriebaugruppe geschaltet ist, und ein erstes SSR, das zwischen der DCFC-Buchse und dem ersten Anschluss der Batteriebaugruppe mit dem ersten Schütz in Reihe geschaltet ist. Das erste SSR weist einen geöffneten Zustand, in dem der Strom von der DCFC-Buchse zu der Batteriebaugruppe unterbrochen ist, und einen geschlossenen Zustand, in dem Strom von der DCFC-Buchse zu der Batteriebaugruppe fließt, auf, wobei das erste SSR konfiguriert ist, vor dem ersten Schütz aus dem geschlossenen Zustand in den geöffneten Zustand überzugehen, und Strom nur von der DCFC-Buchse zur Batteriebaugruppe fließt, wenn sich sowohl das erste Schütz als auch das erste SSR im geschlossenen Zustand befinden.

Wechselstrom-festkörperschalter

Ein elektronischer Wechselstrom-Festkörperschalter enthält eine elektrisch isolierende und thermisch leitende Schicht, eine erste elektrisch leitende Leiterbahn, eine zweite elektrisch leitende Leiterbahn und eine Vielzahl von Halbleiterchips, die jeweils elektrisch mit der ersten elektrisch leitenden Leiterbahn und der zweiten elektrisch leitenden Leiterbahn verbunden sind. Jeder der mehreren Halbleiterchips bildet einen MOSFET, IGBT oder andere Arten von elektronisch steuerbaren Schaltern. Der elektronische Wechselstrom-Festkörperschalter enthält ferner einen gemeinsamen Drain-Leiter, der elektrisch mit jedem Drain-Anschluss der Mehrzahl von Halbleiterchips verbunden ist. Der elektronische Wechselstrom-Festkörperschalter ist so eingerichtet, dass er im Aus-Zustand zwischen 650 Volt und 1700 Volt in einer ersten Richtung und einer zweiten Richtung blockiert, wobei die zweite Richtung der ersten Richtung entgegengesetzt ist, und der elektronische Wechselstrom-Festkörperschalter ist so eingerichtet, dass er im Ein-Zustand bei einem Spannungsabfall von weniger als 2 V kontinuierlich mindestens 500 A führt.