Abstract: A power supply system for a battery system of a vehicle is provided. The power supply system includes: a switch control unit configured to control a power switch to switch an external load; an electronic unit; a first power supply electrically connected to the switch control unit and electrically connected to the electronic unit; a second power supply; and a switching unit. In a normal mode, the first power supply electrically supplies the electronic unit. The switching unit is configured to, in a cold crank mode: electrically disconnect the first power supply from the electronic unit when a voltage of the first power supply drops below a threshold voltage; and electrically connect the second power supply to the electronic unit when the voltage of the first power supply drops below the threshold voltage such that the second power supply powers the electronic unit in the cold crank mode.

Abstract: A fuel cell system in which a fuel cell is coupled to a motor driving battery and a vehicular auxiliary machine is coupled to the motor driving battery via a first voltage converter, the fuel cell system including a fuel cell auxiliary machine coupled to the first voltage converter; and a second voltage converter that couples the fuel cell auxiliary machine to the fuel cell.

Abstract: Electrochemical models for the lithium-ion battery are useful in predicting and controlling its performance. The values of the parameters in these models are vital to their accuracy. However, not all parameters can be measured precisely, especially when destructive methods are prohibited. In some embodiments of the present disclosure, a parameter estimation approach is used to estimate the open circuit potential of the positive electrode (Up) using piecewise linear approximation together with all the other parameters of a single particle model. Up and 10 more parameters may be estimated from a single discharge curve without knowledge of the electrode chemistry using a technique such as a genetic algorithm. Different case studies were presented for estimating Up with different types of parameters of the battery model. The estimated parameters were then validated by comparing simulations at different discharge rates with experimental data.

Abstract: A system for providing a multifunctional utility box includes a utility box for housing and providing access to utility equipment and an electronic display disposed on a first surface from among one or more external surfaces of the utility box. The utility box is fixed at an outdoor location and the one or more external surfaces enclose an interior cavity containing the utility equipment. The system further includes a wireless router configured to provide a WiFi hotspot centered at the utility box. The system further uses the power provided to utility boxes to power a charging rack for vehicles separately or in combination with the electronic display.

Abstract: A method to control an output voltage of a DC-DC converter, and voltage control logic operable to generate a voltage command to implement the control method, the method including sensing a voltage of a bus of an electric-drive vehicle; increasing a command voltage signal from the sensed voltage to a nominal voltage during a first time period; increasing the command voltage signal from the nominal voltage to a desired voltage during a second time period greater than the first time period; and generating a voltage output based on the command voltage signal.

Abstract: Aspects of the present invention pertain to apparatuses, systems, and methods to provide power for electric power devices such as electric power tools.

Abstract: The present invention discloses a system for managing rechargeable batteries to provide power to electrical vehicles. The system comprises a plurality of charging stations each if the intelligent charger includes at least an intelligent battery charger for charging the rechargeable batteries. The intelligent battery chargers further comprises a battery diagnostic detector for detecting and storing data of designated battery health management parameters. The intelligent battery chargers further comprises a transmitter for transmitting the data of the designated battery health management parameters as wireless signals to a networked server in a battery management center.

Abstract: In a battery heating system an inverter includes a first-phase bridge arm, a second-phase bridge arm and a third-phase bridge arm connected in parallel, each of a upper bridge arm and a lower bridge arm is provided with a switch module, the switch module is connected in parallel with a buffer module; and a motor controller in the inverter is provided for providing driving signals to the switch module of a target upper bridge arm and the switch module of a target lower bridge arm to control the switch module of the upper bridge arm of any bridge arm among the three phases of bridge arms and the switch module of the lower bridge arm of at least one bridge arm among the bridge arms except the bridge arm where the switch module of the target upper bridge arm is located to be periodically turned on and off.

Abstract: A switching arrangement includes a switching unit, which is designed to couple at least one phase of an electric machine of a vehicle in different configurations to a DC onboard power voltage of the vehicle in order to generate an AC phase voltage for the phase of the electric machine. In addition, the switching arrangement has a coil and circuit breakers, wherein the circuit breakers are designed to couple the switching unit via the coil to a DC charging voltage or to decouple same from the charging voltage. The switching arrangement also has a controller which is designed to operate the switching arrangement in a converter mode or in a power inverter mode.

Abstract: Disclosed herein are battery management systems and methods for activating battery override logic for a battery management system to provide a power path to a battery pack. A method of activating battery override logic for a battery management system may comprise detecting a predetermined key toggle sequence performed in a predetermined amount of time or detecting an override message received from a CAN bus. The method may further comprise determining if the last override turn-on sequence was requested more than a predetermined amount of time ago, confirming that the override is configured for the contactor, and turning on the contactor to provide a power path to the battery pack for a limited predetermined amount of time. An exemplary predetermined toggle sequence may comprise on-off-on-off-on performed within 10 seconds. An exemplary override message from the CAN bus may be initiated by a user having a key, code, or access card.

Abstract: A battery control apparatus, a battery control method and an energy storage system including the battery control apparatus are disclosed. The disclosed battery control apparatus includes a first battery pack, a second battery pack, a first switch connected in series to the first battery pack between the first terminal and the second terminal, a second switch connected in series to the second battery pack between the first terminal and the second terminal, and a control unit. The control unit is configured to turn on both the first switch and the second switch when a voltage difference between the first battery pack and the second battery pack at a time point at which both the first switch and the second switch are turned off is less than a threshold voltage.

Abstract: A vehicle battery jump starter including a battery pack interface configured to receive at least one of a first rechargeable battery pack having a first nominal voltage and a second rechargeable battery pack having a second nominal voltage different from the first nominal voltage, a power boost module including one or more energy storage devices, and terminal clamps configured to electrically connect the vehicle battery jump starter to a vehicle battery. The jump starter further includes a controller having an electronic processor configured to close a jump start switch in response to detecting an attempted vehicle start, close a first bypass switch when the voltage of the battery pack is greater than the voltage threshold, and close the second bypass switch when the voltage of the battery pack is less than the voltage threshold.

Abstract: An electrically powered vehicle system includes a DC/DC converter stage with a rectified input terminal which receives a rectified input from an AC power input. The system also includes a vehicle battery which receives power output from the DC/DC converter stage, via a first link between the rectified input terminal and the DC/DC converter stage. A second link is connected to the first link and to a vehicle device.

Abstract: In a battery heating system an inverter includes a first-phase bridge arm, a second-phase bridge arm and a third-phase bridge arm connected in parallel, each of a upper bridge arm and a lower bridge arm is provided with a switch module, the switch module is connected in parallel with a buffer module; and a motor controller in the inverter is provided for providing driving signals to the switch module of a target upper bridge arm and the switch module of a target lower bridge arm to control the switch module of the upper bridge arm of any bridge arm among the three phases of bridge arms and the switch module of the lower bridge arm of at least one bridge arm among the bridge arms except the bridge arm where the switch module of the target upper bridge arm is located to be periodically turned on and off.

Abstract: A vehicle terminal may include: a communicator configured to perform communication with a personal mobility device; a processor configured to estimate a state of charge of a battery of the personal mobility device when a vehicle arrives at a set location based on whether the battery is being charged and to determine a travelable area of the personal mobility device based on the state of charge of the battery; and a display device operatively coupled to the processor, the display device configured to display the travelable area.

Abstract: A method of controlling a fluid heater control system for a locomotive, the fluid heater control system including a heater assembly including a water pump and a heating element, the method including determining if a fuel pump of the locomotive is on, if the fuel pump is off, activating the heater assembly, running the water pump for a first predetermined period of time, determining if a temperature of the fluid is greater than a first predetermined threshold, and if the temperature of the fluid is greater than the first predetermined threshold, deactivating the water pump for a second predetermined time period.

Abstract: A multi-voltage charging terminal access port includes at least one housing, a first charging terminal within the housing and configured to receive a first charging voltage, a second charging terminal within the housing and configured to receive a second charging voltage that is different from the first charging voltage, a first movable cover plate mounted within the housing, the first movable cover plate including a first access hole and being movable between a first position in which the first access hole is laterally offset from the first charging terminal to obstruct access to the first charging terminal and a second position in which the first access hole is aligned with the first charging terminal to allow access to the first charging terminal.

Abstract: A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch.

Abstract: Techniques are provided for operating a vehicle in a first vehicle mode; operating at least one component of the vehicle in a first component mode; detecting a first change in operation of the vehicle from the first vehicle mode to a second vehicle mode different from the first vehicle mode; based on the detected the first change in the operation of the vehicle, predicting a second change in operation of the vehicle; in response to predicting the second change in operation of the vehicle, operating the at least one component in a second component mode different from the first component mode prior to the predicted second change in operation of the vehicle.

Abstract: The invention relates to a method for operating an on-board electrical network (4) of a motor vehicle (2), with a first voltage circuit (I) and a second voltage circuit (II), the first voltage circuit (I) having a first operating voltage which is higher than a second operating voltage in the second voltage circuit (II), the first voltage circuit (I) being connected to the second voltage circuit (II) via a DC-DC converter (8), and the first voltage circuit (I) having a battery (10) and the second voltage circuit (II) having a main battery (12), characterized in that the second voltage circuit (II) has an additional third auxiliary battery (14), and wherein by means of a changeover switch assembly (18) components of the motor vehicle (2) are supplied with electrical energy from the main battery (12) and/or the auxiliary battery (14), and in that the main battery (12) is disconnected from the second voltage circuit (II) by means of an isolating switch (66) during a startup mode.

Abstract: Provided is a vehicle front body structure comprising a port device (30) received in a housing (36) and mounted to a vehicle body under a front hood (7). A lid (58) is provided on the housing to selectively close a port opening (21) in the front hood, the lid being provided with a lid plate (59) that selectively closes the port opening, and a hinge arm (61) extending from the lid plate into the housing and rotatably connected to the housing via a hinge shaft (75) extending laterally.

Abstract: A security system for a programmable electronic device of a vehicle, the electronic device including an interface that can be used for accessing and/or programming the electronic device by means of an external access. The security system includes a sensor configured to detect a position and/or orientation of the electronic device with respect to the vehicle, and a security module. The security module is configured to determine coincidence based on of the position and/or orientation of the electronic device with respect to the vehicle detected by the sensor and an expected position and/or orientation of the electronic device with respect to the vehicle, and in the event of a detected coincidence prevent access and/or programming of the electronic device.

Abstract: A battery arrangement for the load-bearing structural integration of batteries into a vehicle, in particular an aircraft or spacecraft, includes two cover plates having battery holders and batteries, which are held on both sides between the cover plates by the battery holders, wherein the batteries are arranged in battery rows along the cover plates, wherein the batteries in the battery rows are each aligned at a slope angle relative to the cover plates in order to absorb and transmit loads, and wherein the slope angle in the battery rows has positive and negative values.

Abstract: A system of increasing a temperature of a battery for a vehicle includes: an on-board charger having a capacitor and a bidirectional direct current (DC) converter having first input/output terminals connected to the capacitor and second input/output terminals connected to a battery and configured to perform a bidirectional power transfer between the first input/output terminals and the second input/output terminals; and a controller to drive, when temperature rising of the battery is required, the bidirectional DC converter such that a direction of a power transfer alternates and supply an alternating current (AC) current having a predetermined frequency to the battery.

Abstract: A battery system is electrically connected to a power bus that is arranged to supply electric power to an on-vehicle actuator such as an electric traction machine. Controlling electric power flow in the battery pack includes determining states of charge for the plurality of battery packs, identifying one of the battery packs as a weakest battery pack based upon the states of charge, and determining an internal circulating current being transferred via the wiring harness that is associated with charging of the weakest battery pack. Electric power transfer through the wiring harness and the power bus is controlled such that the internal circulating current is less than an internal circulating current limit. In one embodiment, the internal circulating current limit is determined in relation to battery temperature.

Abstract: A battery terminal which implements an electronically controlled vehicle electrical system coupling-disconnecting functionality including an electronically controlled power distribution, the battery terminal including a number of switching elements, of which at least some are connected to one another in a star point shape, the star-point connection being provided to be connected to a positive pole of a voltage source.

Abstract: A vehicle includes an electric machine, a traction battery, a low-voltage power system, a DC to DC converter, and a controller. The electric machine is configured to accelerate the vehicle and to slow the vehicle. The traction battery is configured to deliver electrical power to the electric machine and to receive electrical power from the electric machine via a high-voltage bus. The low-voltage power system has vehicle accessories, an accessory battery, and a low-voltage bus. The DC to DC converter is configured to transfer electrical power between the high-voltage bus and the low-voltage bus. The accessory battery is configured to deliver electrical power to the vehicle accessories and to receive or deliver power from or to DC to DC converter via the low-voltage bus. The controller is configured to controller the transfer of electrical power between the high-voltage bus and the low-voltage bus.

Abstract: A method for charging a battery at a low temperature in a battery system is provided. The system includes a charger that provides power for charging the battery and a temperature-increasing device that generates heat using the power provided from the charger to increase a temperature of the battery.

Abstract: A charging system for an electric vehicle is capable of simultaneously satisfying unidirectional charging and bidirectional charging with protocol standards that allow a communication interface with AC slow charging equipment and DC fast charging equipment. The charging system for an electric vehicle, comprises: a bidirectional charging unit provided with a first communication unit and a second communication unit, wherein, when an inlet connector of fast charging equipment or slow charging equipment is connected to the bidirectional charging unit.

Abstract: A novel electric vehicle that is preferably powered with two battery packs to extend the range of the vehicle before recharging is required. The vehicle can be provided with a customized onboard generator or turbocharged generator that can operate on regular unleaded gasoline which is used for charging the battery packs while the car is in motion. The generator charges one battery pack while the car is operating on the other and can be preferably controlled in the cockpit of the vehicle. The vehicle can also still be charged through a conventional charging outlet, which also eliminates need to burn gas by the generator during conventional charging.

Abstract: The present disclosure provides a smart connection device, a jump starter and a battery clamp. The smart connection device includes a power connection terminal, a load connection terminal, a switch circuit, and a reverse connection detection module. The power connection terminal and the load connection terminal are respectively electrically coupled to the battery assembly and the external load. The reverse connection detection module outputs, when it detects that the external load is reversely coupled to the load connection end, a first control signal to control the switch circuit to disconnect an electrical connection between the battery assembly and the external load, so as to prevent the battery assembly from providing a discharge output to the external load.

Abstract: A charging method (10) for an electrically operated motor vehicle (30) designed for autonomous driving is provided, in which, in a first exercise, the motor vehicle (30) is charged in a charging procedure (22) within a time window at a charging station (4). According to the invention, the motor vehicle (30) is commanded in an approach command delivery (19) to approach (6) the charging station (4) or in a departure command delivery (24) to depart (7) from the charging station (4). Moreover, a motor vehicle (30) is claimed.

Abstract: A charge calculation apparatus, system and method allow for a controller to administer an electric power charging operation to one or more client devices, such as an electric vehicle. The vehicle provides its ID to the controller, which in turn calculates a tax according to the vehicle making the request, and other factors such as taxing jurisdiction, amount of electricity used, timing, etc. By controlling the charging operation in this way, the taxing authorities are able to collect tax revenue for use in maintaining roads from the users of those roads by monitoring which vehicles are using electricity to operate the vehicles on the roads. By keeping track of the vehicle's movement within different tax jurisdictions, the tax may be apportioned amongst the different taxing authorities.

Abstract: An over-discharge diagnosing method includes, among other things, evaluating concurrently, a voltage behavior of a battery pack, a current behavior of the battery pack, and a temperature behavior of the battery pack. The method further includes detecting an over-discharge based on the evaluating, and communicating an over-discharge notification in response to the detecting.

Abstract: An electric vehicle that includes a battery pack, a direct current socket, and a controller and a charging method for charging between electric vehicles, where in a process in which the direct current socket is coupled to an alternating current socket of another electric vehicle using a charge/discharge cable, the battery pack is controlled based on a charging request of the other electric vehicle to charge the other electric vehicle. Hence, charging between electric vehicles can be conveniently implemented.

Abstract: A charging cable includes a first connector including a first proximity detection pin and a first power pin; a second connector comprising a second proximity detection pin and a second power pin; and a cable electrically connecting the first power pin of the first connector and the second power pin of the second connector, wherein the cable may not connect the first proximity detection pin and the second proximity detection pin.

Abstract: A power control device that can charge a battery by controlling an output of a conversion unit configured to convert a supplied grid electric power into an electric power for charging the battery, the power control device includes: a sensing unit configured to sense voltage and current of the supplied grid electric power; a determination unit configured to determine whether a sensed voltage sensed by the sensing unit is in an unstable state in which the sensed voltage drops relative to a rated voltage of the supplied grid electric power; a calculation unit configured to calculate an allowable power value based on the sensed voltage and a rated current of the supplied grid electric power in a case when the determination unit determines that the sensed voltage is in the unstable state; and a control unit configured to control the output of the conversion unit based on the allowable power value.

Abstract: A method for supplying power to an unmanned aerial vehicle (UAV) includes converting heat generated by at least one energy component of the UAV into electrical power and supplying the electrical power to the UAV based on a flying status of the UAV and/or a discharge status of a power battery of the UAV. The power battery is a main power source of the UAV.

Abstract: Provided is a battery pack and a power system including the same. The battery pack includes a battery module having a positive electrode terminal and a negative electrode terminal, a first connector having a first power terminal connected to the positive electrode terminal, a second power terminal connected to the negative electrode terminal and a first auxiliary terminal, a first resistor having a first end electrically connected to ground and a second end electrically connected to the first auxiliary terminal, a switching unit installed between the negative electrode terminal and the second power terminal, and a control unit. The control unit is configured to operate in any one of a wakeup state and a sleep state according to a voltage of the first resistor.

Abstract: The electrical roadside assistance vehicle is configured for use with a vehicle. The vehicle is a roadside assistance vehicle used to assist a vehicle that is in need of assistance. The electrical roadside assistance vehicle forms a source of electric energy used to assist the vehicle that is in need of assistance. The electrical roadside assistance vehicle comprises the roadside assistance vehicle, a control circuit, and a mounting structure. The mounting structure secures the control circuit to the bed of the roadside assistance vehicle. The control circuit is the source of electric energy used to assist the vehicle that is in need of assistance. The control circuit is independently powered. By independently powered is meant that control circuit operates without an electrical connection to an external power source.

Abstract: A joint control method with variable ZVS angles for dynamic efficiency optimization in a WPC system for EVs under ZVS conditions, including: adjusting a phase-shift duty cycle of a secondary active rectifier to control a charging voltage and a charging current of EV's batteries through a charging voltage closed loop and a charging current closed loop, respectively; adjusting a power angle of the secondary active rectifier to control a ZVS angle of the secondary active rectifier through a secondary ZVS angle closed loop; adjusting a phase-shift duty cycle of a primary inverter to control a ZVS angle of the primary inverter through the primary ZVS angle closed loop; determining the current operating case of the WPC system and adjusting the ZVS angles of the primary inverter and the secondary active rectifier to automatically identify an optimal operating point with a maximum charging efficiency through the P&O method.

Abstract: Systems and methods for improving operation of a vehicle are presented. In one example, a minimum battery state of charge (SOC) threshold for automatic engine stopping is adjusted responsive to a temperature of a battery. An engine of the vehicle may be automatically started responsive to a battery SOC discharge amount that is greater than a threshold. The approach may allow a battery to discharge a greater number of times so that battery life may be extended.

Abstract: An electric or hybrid electric and fossil fuel vehicle includes at least one battery and a wireless device adapted to communicate electromagnetic energy to at least one component in the vehicle as the vehicle is moving.

Abstract: Systems and methods for improving operation of an automotive battery system including an automotive electrical system comprising a battery system that uses operational parameters, predicted internal resistance of a battery expected over a prediction horizon, and real-time internal resistance of a battery to increase performance and reliability. The battery system includes a battery electrically coupled to electrical devices in the automotive system, sensors coupled to the battery that determine terminal voltage of battery, and a battery control system communicatively coupled to sensors.

Abstract: A work equipment that can temporarily store an article that is collected while traveling, and includes a work equipment main body, a container device configured to store the article collected by the work equipment main body while being connected to the work equipment main body, and to travel to and back from a collected article destination by being detached from the work equipment main body, a travel drive unit configured to cause the container device to travel, a battery mounted to the container device to power the travel drive unit, a battery state of charge sensor configured to detect a remaining battery charge of the battery, and a control unit that determination whether the container device may be detached from the work equipment main body or not according to the remaining battery charge.

Abstract: A power supply system includes; a first switch connected between a main power source and loads; a second switch connected between a sub-battery and the loads; and backflow prevention circuit that prevent current backflow between the main power source and the sub-battery, and polarity of the backflow prevention circuit is devised so as to allow current passage in a direction from the sub-power source to the loads even when the second switch is in an off state. When power from the main power source is interrupted, the power source power of the sub-power source is supplied to the loads via the backflow prevention circuit even the second switch remains in the off state, so that the power supply is not interrupted.

Abstract: A battery discharge controller configured to control a hybrid system having first and second batteries includes a charged electric charge amount calculating section and a discharge controlling section. The discharge controlling section controls the DC/DC converter such that the first battery and the second battery are both discharged when a first reserve electric charge amount, which is a value obtained by subtracting a predetermined first lower limit electric charge amount from the charged electric charge amount of the first battery, has a positive value, a second reserve electric charge amount, which is a value obtained by subtracting a predetermined second lower limit electric charge amount from the charged electric charge amount of the second battery, has a positive value, and an absolute value of a difference between the first reserve electric charge amount and the second reserve electric charge amount is less than a predetermined threshold.

Abstract: An electrical vehicle (EV) rescue vehicle includes a mobile platform, which further includes a winch and a ramp. The mobile platform of the EV rescue vehicle is deployable for retrieving a disabled EV (a “rescued vehicle”) thereon with the winch and the ramp and for transportation of the disabled EV. A charging unit is associated with the mobile platform for connecting and charging of the disabled EV, either on a fixed location or during transport. A systems analysis module can be included with a system for testing a functionality of systems and components of the disabled EV and providing results of the resting EV to customers. The mobile platform can be provided as an EV rescue vehicle in a form of a trailer pulled by another vehicle or integrated with another vehicle (e.g., a truck). The EV rescue vehicle can also carry passengers associated with the disabled EV when the disabled EV is being transported, charged, and/or analyzed by the EV rescue vehicle.

Abstract: A first controller can be coupled to a main power supply and deliver a first charging current to an electric vehicle (EV) at a first charging station. The first controller can also deliver power to a second controller that can provide a second charging current to an EV at a second charging station. The first controller turns off the power to the second controller in response to determining that there is an EV charging at the first charging station, and turns on the power to the second controller only in response to determining that an EV is not charging at the first charging station.

Abstract: A system for maintaining a fleet of aircraft batteries located at multiple airports. The system may be configured to obtain charge information and battery health information for individual batteries within the fleet of aircraft batteries from charging containers located at individuals ones of the multiple airports. The charge information may include charge statuses of the individual batteries and/or the battery health information may characterize the degradation of the individual batteries over time. The system may determine predictions of one or more batteries to be re-allocated and/or to receive maintenance based on the battery health information. The system may generate a battery management plan including the one or more predictions recommending one or more batteries to be re-allocated and/or to receive maintenance.