G01R31/3646

BATTERY FAULT DETECTION

A control system, responsive to receiving values of one or more parameters of a battery of a vehicle for a particular time in service, generates via a machine learning determination a level of confidence at which the values of the one or more parameters of the battery match values of one or more parameters of a set of batteries for a same time in service, and responsive to the level exceeding a predefined threshold, causes a mitigation action to be implemented.

Battery residual value display device

The battery residual value display device includes: a battery information receiving module; an attenuation function determining module; a second residual value determining module; a graph output module configured to output a graph of which one axis indicates residual values of a battery and another axis indicates information on an elapsed time from a time of manufacture of the battery; and a display unit. The graph output module is configured to output: in the graph, a display indicating a first residual value; a display indicating boundaries between a plurality of residual value ranks obtained by dividing the residual values in accordance with a level of a second residual value; and a display indicating boundaries between a plurality of groups, indicating types of applications in which the battery can be used, obtained by dividing the plurality of residual value ranks in accordance with the level of the second residual value.

USER DISPLAY FOR REMAINING RUNTIME

A battery-powered outdoor power equipment includes a battery, a first electric motor configured to operate at a first power level and a second power level, a runtime module having a display and a first control button, and a controller in communication with the battery, the electric motor, and the display. The controller being configured to communicate a remaining runtime of the battery to the display based on a charge level of the battery, and update the remaining runtime in response to an input to the first control button that changes the first electric motor from the first power level to the second power level.

Rechargeable battery short circuit early detection device and rechargeable battery short circuit early detection method

A rechargeable battery short-circuit early detection device that detects a short-circuit in a rechargeable battery includes one or more processors connected to a current sensor that detects a charging current of the rechargeable battery, wherein the one or more processors are programmed to: while the rechargeable battery is being charged, receive a current signal indicating the charging current from the current sensor; detect a temporal change in the charging current indicated by the current signal; determine, when the charging current increases over time, that there is a possibility that the rechargeable battery has short-circuited; and output data indicating a determined result.

Battery storage charge and discharge monitor with improved battery capacity calculation, improved charge and discharge monitoring, discharge what if calculations, and multiple re-charge goals
11467215 · 2022-10-11 ·

A predictive energy monitoring system which, during discharge, accounts for changes in available energy remaining as a result of changes in battery environmental temperature, changes in energy used by systems which cycle on and off, and which provides a user “What-if” capability to predict energy availability time remaining by changing systems in use. The present invention also covers the reporting of re-charge completion against multiple re-charge goals. The battery monitoring system includes a non-volatile memory, sensors, a processor that receives inputs from the sensors and receives inputs from a user through a touch screen graphic user interface, the processor then makes calculations responsive to sensor inputs and user inputs, and supplies data to a display for presenting a plurality of screen images representing the results of the calculations.

State estimation method and state estimation apparatus
11619674 · 2023-04-04 · ·

A state estimation method for an energy storage device includes: acquiring, by a first method, a first probability distribution that expresses the state of the energy storage device 61 in the form of a probability distribution; acquiring, by a second method, a second probability distribution that expresses the state of the energy storage device in the form of a probability distribution; and estimating the state of the energy storage device on the basis of the first probability distribution and the second probability distribution.

SYSTEMS AND METHODS FOR BATTERY MANAGEMENT FOR ELECTRIC AIRCRAFT BATTERIES

A system for battery management for electric aircraft batteries includes an energy storage system configured to provide energy to the electric aircraft via a power supply connection, the energy storage system including: a battery pack, a sensor configured to detect a condition parameter of the battery pack and generate a battery datum based on the condition parameter, a pack monitoring unit (PMU) configured to receive the battery datum, and a high voltage disconnect configured to terminate the power supply connection between the battery pack and the electric aircraft; a high voltage bus electrically connected to the high voltage disconnect; a primary functional display configured to display information based on battery datum; and a first controller area network (CAN) bus and a second CAN bus communicatively connected to the PMU, the high voltage bus, and the primary functional display.

Electronic apparatus and control method
11619671 · 2023-04-04 · ·

An electronic apparatus includes a connection unit to which a battery device is connected, a calculation unit that calculates a remaining battery level of a battery of the battery device based on a full charge capacity of a battery of the electronic apparatus, and a display unit that displays information indicating a result of calculation made by the calculation unit.

BATTERY VALVE AND BATTERY INCLUDING THE SAME

Discussed is a battery valve configured to discharge a gas inside a battery to the outside, the battery valve including a communicator configured to receive a battery valve opening/closing command from an external device; and an opening/closing controller configured to open or close a passage through which the inside of the battery and the outside of the battery communicate with each other according to the battery valve opening/closing command.

Battery diagnostic apparatus and battery diagnostic method

A battery diagnostic apparatus and a battery diagnostic method that are capable of accurately determining a deteriorated state of a battery and enabling use of the battery immediately before or near the end of the battery life are provided. The battery diagnostic apparatus includes a power supply monitoring unit 5 configured to detect that a power supply voltage has changed from less than a predetermined voltage to equal to or more than the predetermined voltage, and a controller 4 configured to measure a battery voltage in a predetermined period after the detection that the power supply voltage is equal to or more than the predetermined voltage, calculate electric power associated with a remaining capacity of the battery 1 based on the battery voltage, and perform deterioration determination of the battery 1 based on the electric power associated with the remaining capacity of the battery 1.