Patent classifications
B60L2240/549
Equalization circuit, a charging device and an energy storage device
The present invention relates to an equalization circuit, a charging device, and an energy storage device connected between a battery pack and a charger. The battery pack comprises a plurality of cells connected in series. The equalization circuit comprises: a detection module used for detecting a voltage, temperature, and/or current of each cell; an auxiliary charging module used for providing a second charging current to the battery pack, wherein the second charging current is less than a first charging current provided by the charger to the battery pack; and a control module used for controlling the detection module and the auxiliary charging module.
Charging control apparatus, transport device, and non-temporary computer-readable storage medium
A charging control apparatus includes: a prediction unit configured to predict a change in temperature of a battery over time during charging; a calculation unit configured to calculate, based on the change in temperature over time predicted by the prediction unit, a degree of influence that the battery receives from the temperature of the battery exceeding a predetermined upper-limit temperature control value; and a charging control unit configured to allow the temperature of the battery to exceed the upper-limit temperature and charge the battery when the degree of influence is less than a predetermined reference value.
Demand and supply control system for vehicle
A control device that controls an in-vehicle battery and a charger in a demand and supply control system is configured to obtain total demand for electric power or the like generated in in-vehicle equipment, determine whether or not the total demand is able to be satisfied with electric power or the like suppliable from the in-vehicle battery, when the total demand is not able to be satisfied solely with the in-vehicle battery, and bring the charger into a drive state in a case where the total demand is able to be satisfied with total electric power or the like suppliable from the in-vehicle battery and the charger.
Power-supply control device for secondary battery and load via reply, and movable body
A power-supply control device includes a processor that performs a battery abnormality recognizing process and a control process. In the control process, the processor performs a first power-supply control operation of enabling supply of electric power from a secondary battery to a first load by a first connection circuit and supply of electric power from a secondary battery to a second load by a second connection circuit and, when an abnormality of the secondary battery is recognized in the battery abnormality recognizing process, performs a second power-supply control operation of controlling the first relay into a disconnected state to stop the supply of electric power from the secondary battery to the first load by the first connection circuit and maintain the supply of electric power from the secondary battery to the second load by the second connection circuit.
ELECTROMAGNETIC SHIELD DESIGNS FOR HIGH POWER WIRELESS CHARGING OF ELECTRIC VEHICLES AND RELATED SHIELDS, VEHICLES, SYSTEMS, AND METHODS
Electromagnetic shields, vehicles, wireless charging systems, and related methods are disclosed. An electromagnetic shield includes a shield member including a coil side to face one or more inductive coils. The electromagnetic shield also includes one or more perimeter shield members configured in a loop proximate to a perimeter of the coil side of the shield member. The shield member and the one or more perimeter shield members are configured to shield electromagnetic radiation emitted by the one or more inductive coils.
Vehicle Equipped with Electric Motor and Method of Controlling Traveling of Same
An embodiment method of controlling traveling of an electrified vehicle equipped with an electric motor as a power source includes determining whether it is possible to enter a variable control function. The variable control function includes a function of variably controlling a coasting torque level using a regenerative braking force. In response to a determination that it is not possible to enter the variable control function, a cause of an inability to enter the variable control function is determined and control is performed in a manner that corresponds to a determination that it is possible to enter the variable control function or the determination of the cause of the inability to enter the variable control function in response to the determination that it is not possible to enter the variable control function.
BATTERY CONTROL DEVICE
A battery control device includes a processor that is configured to estimate a full charge capacity of a battery based on an amount of current supplied to the battery from a start of charging to an end of charging and voltages of the battery at the start of charging and the end of charging when the battery is charged from a state where a voltage of the battery is below a predetermined start voltage threshold value to a state where the voltage exceeds a predetermined end voltage threshold value, and the battery satisfies a predetermined permission condition.
BATTERY PACK MEASUREMENT TIMING
A controller generates a first command for battery array sensors to sense voltages of battery cell arrays of a traction battery, and generates a second command to sample a value of current through the traction battery at a time following the first command that is defined by durations of analog to digital conversion operations of some of the battery array sensors and an analog to digital conversion operation associated with sampling the value.
APPARATUS FOR SINGLE STAGE ON-BOARD CHARGER WITH AN INTEGRATED PULSATING BUFFER CONTROL
In at least one embodiment, a vehicle battery charger is provided. The charger includes at least one transformer, a first active bridge, a second active bridge, and at least one controller. The first active bridge includes a first plurality of switching devices being positioned with the primary. The second active bridge includes a second plurality of switching devices being positioned with the secondary to generate. The controller is configured to activate the first plurality of switching devices based on a primary control signal and to activate the second plurality of switching devices based on a secondary control signal. The controller is configured to generate the secondary control signal in accordance to a first control variable. The controller is further configured to generate a second control variable that corresponds to a phase shift between the primary control signal and the secondary control signal.
Learning apparatus, learning method, and program
A learning apparatus includes: a learning part that performs, based on charging/discharging data indicating at least one of charging and discharging of a secondary battery that supplies electric power for traveling of a vehicle, a capacity learning of the secondary battery and that performs the capacity learning in response to a change amount of a charging rate that is indicated by the charging/discharging data exceeding a threshold value; and a threshold determination part that determines the threshold value based on history information of the learning part performing the capacity learning in a predetermined period.