B60L2240/549

CHARGING CONTROL METHOD AND DEVICE FOR HYBRID ELECTRIC VEHICLE AND VEHICLE
20230226933 · 2023-07-20 ·

A method for charging control of a hybrid electric vehicle, includes: receiving a charging instruction; acquiring a first voltage of a power battery and a second voltage of a storage battery in response to receiving the charging instruction; in response to determining that the first voltage is less than the first voltage threshold and the second voltage is less than the second voltage threshold, disconnecting the OBC from the power battery and charging the storage battery through the OBC and the DC for a charging duration; and in response to that the charging duration of the storage battery reaches a duration threshold, connecting the OBC to the power battery and charging the power battery through the OBC.

Multi-Function Rack Systems and Methods
20230226940 · 2023-07-20 ·

A location determination system for a material handling vehicle operating near a charging node. The system may include a power receptor configured to receive power from the charging node and provide current to the material handling vehicle. The system may include a sensor electrically coupled to the power receptor and configured to measure the current provided by the power receptor, and a controller configured to determine a current profile based on the measured current and determine a distance of the power receptor to the charging node based on the current profile. The system may determine the distance of the material handling vehicle from the charging node and may determine the location of the material handling vehicle based on a predetermined location of the charging node. The system may comprise multiple power receptors each with a current profile and may determine a speed and/or direction based on the multiple current profiles.

Traction battery pack thermal event detection

A method of detecting a thermal event associated with a battery assembly of an electrified vehicle includes, among other things, obtaining a temperature reading from a sensor associated with an area of the battery assembly, assessing whether the sensor is flagged with a first identifier or a second identifier. The first identifier indicates that the temperature reading is reliable. The second identifier indicates that the temperature reading is unreliable. If the sensor is flagged with the first identifier, the method detects a thermal event associated with the battery assembly based on the temperature reading from the sensor.

METHOD, DEVICE, PROGRAM, AND RECORDING MEDIUM FOR ESTIMATING INTERNAL TEMPERATURE OF SECONDARY BATTERY

Methods and apparatuses for accurately estimating an internal temperature of a secondary battery with a charging rate SOC and a charge/discharge state taken into account are provided. A method may include a method of estimating an internal temperature (T) of a secondary battery for a vehicle, which includes a change determination process to be repeatedly performed and an internal temperature estimation process to be repeatedly performed.

A METHOD FOR PREDICTING STATE-OF-POWER OF A MULTI-BATTERY ELECTRIC ENERGY STORAGE SYSTEM
20230219458 · 2023-07-13 · ·

A method for predicting a state-of-power, SoP, of an electric energy storage system, ESS, comprising at least two battery units electrically connected in parallel. The method includes obtaining operational data from the at least two battery units of the ESS during operation of the ESS; computing the state-of-power of the ESS based on the obtained operational data and by using an algorithm based on a system-level model of the ESS, wherein the system-level model of the ESS takes into account on one hand each one of the at least two battery units of the ESS, and on the other hand at least one electrical connection between the at least two battery units, and wherein the system-level model of the ESS further takes into account a dynamic parallel load distribution between the at least two battery units.

Systems and methods for predicting remaining useful life in batteries and assets

In one aspect, computer-implemented method may include receiving, from a cloud-based computing system, one or more machine learning model parameters that are configured to enable predicting a remaining useful life of each cell of a battery pack of a vehicle. The method may include loading, into memory of a processing device at the vehicle, the one or more machine learning model parameters, receiving data comprising one or more measurements and one or more user battery usage profiles, and based on the data, executing a trained machine learning model with the one or more parameters to input the data and to output the remaining useful life of each cell of the battery pack.

Hybrid electrodes with both intercalation and conversion materials

The disclosure set forth herein is directed to battery devices and methods therefor. More specifically, embodiments of the instant disclosure provide a battery electrode that comprises both intercalation chemistry material and conversion chemistry material, which can be used in automotive applications. There are other embodiments as well.

DEMAND AND SUPPLY CONTROL SYSTEM FOR VEHICLE
20230219421 · 2023-07-13 · ·

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.

LOW VOLTAGE BATTERY SOC CONFIRMATION AND CELL BALANCING
20230219459 · 2023-07-13 ·

A battery system includes at least one battery including a plurality of cells and a hybrid control module configured to monitor a differential capacity of the at least one battery, determine when the monitored differential capacity of the at least one battery corresponds to a predetermined differential capacity of the at least one battery, and determine a state of charge of the battery in response to the determination that the monitored differential capacity corresponds to the predetermined differential capacity.

Power supply system and management device capable of determining current upper limit for supressing cell deterioration and ensuring safety

Power supply system mounted in electric vehicle includes voltage measurement unit that measures a voltage of each of a plurality of cells to ensure both safety of an electric vehicle and convenience of a user. Current measurement unit therein measures a current flowing through the plurality of cells. Temperature measurement unit therein measures a temperature of the plurality of cells. Controller therein determines a current limit value defining an upper limit of a current for suppressing cell deterioration and ensuring safety based on the voltage, the current, and the temperature of each of the plurality of cells measured by voltage measurement unit, current measurement unit, and temperature measurement unit respectively, and that notifies a higher-level controller in electric vehicle of the determined current limit value.