CN115621581A - Method, system, equipment and medium for controlling available discharge capacity of battery assembly - Google Patents
Method, system, equipment and medium for controlling available discharge capacity of battery assembly Download PDFInfo
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Abstract
The application provides a method, a system, equipment and a medium for controlling available discharge capacity of a battery assembly, which comprise the following steps: acquiring user requirements, and determining a target for increasing the available discharge capacity of the battery assembly in a low-temperature environment according to the user requirements; calling key parameters influencing the discharge capacity of the low-temperature battery to generate a plurality of factors to be tested; testing the factor to be tested according to a preset simulation testing tool to obtain a testing result; establishing a mapping relation between the factors to be tested and the available discharge capacity of the low-temperature battery according to the test result; and determining the optimal value of each key parameter according to the mapping relation, and if the optimal value meets the lifting target, outputting the optimal value of the key parameter to control the available discharge capacity of the battery. The control accuracy that the maximize battery assembly can be by discharge capacity can be effectively improved to this application.
Description
Technical Field
The application relates to the field of new energy automobile power batteries, in particular to a method, a system, equipment and a medium for controlling available discharge capacity of a battery assembly.
Background
The power battery is the only energy source of the electric automobile and provides energy conversion of driving force for the electric automobile and facilities in the electric automobile. For example, the power supply device supplies kinetic energy for the running of the electric vehicle, or supplies electric energy for an air conditioning system in the electric vehicle, and the like. The endurance mileage of the electric automobile directly influences the automobile experience of the automobile, and the discharge electric quantity of the power battery directly determines the endurance mileage of the electric automobile. The temperature of the power battery is one of the important factors influencing the available discharge capacity of the power battery, especially in low-temperature environment. Therefore, it is very important to increase the available discharge capacity of the power battery assembly in a low temperature environment.
The main means for improving the available discharge electric quantity of the battery assembly in the low-temperature environment is to heat the battery assembly through a thermal management system, so that the temperature of the battery assembly is improved to a certain value, and the available discharge electric quantity of the battery is improved. In the existing thermal management control technology of new energy vehicles, a thermal management system is generally controlled to heat or cool a battery assembly based on the current temperature of the battery assembly. In a low-temperature environment, a common heating control strategy is to turn on the PTC or the heating device to heat the battery assembly when the temperature of the battery assembly is lower than a certain temperature threshold, and turn off the PTC or the heating device when the temperature of the battery assembly is higher than the certain temperature threshold. However, the heating energy comes from the power battery, on one hand, the heating consumes the power of the power battery, on the other hand, the available power of the battery is increased by the heating, but the heating energy and the available power are not well balanced.
Disclosure of Invention
In view of the problems in the prior art, the application provides a method, a system, equipment and a medium for controlling the available discharge capacity of a battery assembly, and mainly solves the problem that the balance between the lack of effective heating energy consumption and the increase of available electric quantity is difficult.
In order to achieve the above and other objects, the present application adopts the following technical solutions.
The application provides a method for controlling the available discharge capacity of a battery assembly, which comprises the following steps:
acquiring user requirements, and determining a target for improving the available discharge capacity of the battery assembly in a low-temperature environment according to the user requirements;
calling key parameters influencing the discharge capacity of the low-temperature battery to generate a plurality of factors to be tested;
testing the factor to be tested according to a preset simulation testing tool to obtain a testing result;
establishing a mapping relation between the factors to be tested and the available discharge capacity of the low-temperature battery according to the test result;
and determining the optimal value of each key parameter according to the mapping relation, and if the optimal value meets the lifting target, outputting the optimal value of the key parameter to control the available discharge capacity of the battery.
In an embodiment of the present application, determining a target for increasing an available discharge capacity of a battery assembly in a low-temperature environment according to the user demand includes:
acquiring a description text required by a user;
extracting the features of the description text to obtain required features;
and calculating a correlation coefficient of the demand characteristics and preset target characteristics, and outputting the demand characteristics with the correlation coefficient higher than a preset threshold value to a target terminal for target improvement setting.
In an embodiment of the present application, the key parameters include: whether the motor waste heat is used for heating the battery assembly, a threshold value for controlling the charge state of a battery started by the heating system and a threshold value for controlling the temperature of a heating system stopped.
In an embodiment of the present application, the testing the factor to be tested according to a preset simulation testing tool includes:
performing test combination based on a plurality of horizontal parameters preset by each factor to be tested to obtain a plurality of combination items;
and testing each combination item through the simulation test tool to obtain a battery available discharge capacity result of each combination item as the test result.
In an embodiment of the present application, establishing a mapping relation between the factor to be tested and the discharge capacity available to the low-temperature battery according to the test result includes:
establishing a mathematical model according to the battery available discharge capacity result of each data item, and establishing a mapping relation between the factor to be tested and the low-temperature battery available discharge capacity through the mathematical model, wherein the method for establishing the mathematical model comprises the following steps: pareto, normal distribution, residual, or primary-interaction.
In an embodiment of the present application, determining an optimal value of each key parameter according to the mapping relation includes:
and optimizing the value of the factor to be tested in the mapping relation by using the maximum available discharge capacity of the battery assembly as a target to obtain the optimal combination mode corresponding to the factor to be tested and the optimal value of the key parameter corresponding to the optimal combination mode.
In an embodiment of the present application, before outputting the optimal value of the key parameter to perform the battery available discharge amount control, the method further includes:
inputting the optimal value of the key parameter into a preset simulation control model, and outputting the optimal value of the key parameter after determining that the optimal value of the key parameter meets the lifting target under the condition of the optimal value of the key parameter through the preset simulation control model.
The present application also provides a system for controlling an available discharge capacity of a battery assembly, comprising:
the target acquisition module is used for acquiring user requirements and determining a lifting target of the available discharge capacity of the battery assembly in the low-temperature environment according to the user requirements;
the parameter calling module is used for calling key parameters influencing the discharge capacity of the low-temperature battery to generate a to-be-tested factor, and the number of the key parameters is multiple;
the simulation test module is used for testing the factor to be tested according to a preset simulation test tool to obtain a test result;
the mapping module is used for establishing a mapping relation between the factor to be tested and the available discharge capacity of the low-temperature battery according to the test result;
and the parameter output module is used for determining the optimal value of each key parameter according to the mapping relation, and outputting the optimal value of each key parameter to control the available discharge capacity of the battery if the optimal value meets the lifting target.
The present application further provides a computer device, comprising: the control method comprises the steps of storing a computer program, and controlling the discharge amount of the battery assembly, wherein the computer program is stored in the memory and can be run on the processor.
The present application further provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the battery assembly available discharge amount control method.
As described above, the present application provides a method, a system, a device, and a medium for controlling a discharge amount available for a battery assembly, which have the following advantageous effects.
According to the method, the user requirements are obtained, and the improvement target of the available discharge capacity of the battery assembly in the low-temperature environment is determined according to the user requirements; calling key parameters influencing the discharge capacity of the low-temperature battery to generate a plurality of factors to be tested; testing the factor to be tested according to a preset simulation testing tool to obtain a testing result; establishing a mapping relation between the to-be-tested factor and the available discharge capacity of the low-temperature battery according to the test result; and determining the optimal value of each key parameter according to the mapping relation, and if the optimal value meets the promotion target, outputting the optimal value of the key parameter to control the available discharge capacity of the battery. According to the method and the device, the key parameter simulation test is carried out based on the lifting target of the user requirement, the optimal value of the key parameter meeting the user requirement is determined based on the test result, so that the heat management control is carried out according to the optimal value, the control precision of the discharge capacity is improved, and the user requirement is met to the maximum extent.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for controlling an available discharge capacity of a battery assembly according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram of experimental combinations in an embodiment of the present application.
Fig. 3 is a block diagram of a system for controlling the discharge capacity of a battery assembly according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In one embodiment, only the waste heat of the motor is effectively utilized, and the waste heat of the motor is introduced into the thermal management control loop of the power battery under a specific condition to control the temperature of the battery, so that the available discharge electric quantity of the power battery assembly can be maximally improved. Therefore, the present application provides a method, a system, a device and a medium for controlling the available discharge capacity of a battery assembly, and the technical solution of the present application is described in detail with reference to the specific embodiments below.
Referring to fig. 1, the present application provides a method for controlling a discharge capacity available for a battery assembly, the method comprising the following steps.
And S100, acquiring user requirements, and determining a target for increasing the available discharge capacity of the battery assembly in the low-temperature environment according to the user requirements. And determining that the target of the available discharge electric quantity of the battery assembly needing to be increased in the low-temperature environment is N% of the available discharge electric quantity of the battery assembly in the normal-temperature environment. The value of N may be set according to the actual user requirement, and is not limited herein.
In one embodiment, the target of the available discharge capacity of the battery assembly to be increased in the low-temperature environment can be determined through industry benchmarking analysis and customer demand mining.
In one embodiment, the method for determining the target for increasing the available discharge capacity of the battery assembly in the low-temperature environment according to the user requirement comprises the following steps:
s1, obtaining a description text required by a user.
Specifically, the user requirements may be collected in advance and arranged into the description text based on the user requirements. The description text may also be obtained by converting voice information into text data by performing voice recognition or the like in accordance with a conversation with the user. The specific description text can be obtained according to the actual application requirements, and is not limited here.
And S2, performing feature extraction on the description text to obtain a demand feature.
Specifically, the feature of the description text can be extracted through the neural network to obtain the requirement feature, for example, the semantic feature can be extracted through the recurrent neural network to obtain the corresponding requirement feature.
And S3, calculating a correlation coefficient of the demand characteristics and preset target characteristics, and outputting the demand characteristics with the correlation coefficient higher than a preset threshold value to a target terminal for target improvement setting.
In one embodiment, a characteristic for increasing the discharge capacity of the battery assembly, such as an increase ratio, may be preset as a target characteristic. And calculating the correlation between the demand characteristics and the target characteristics by adopting a Pearson correlation coefficient method, and outputting a target terminal corresponding to a demand characteristic output value tester if the correlation reaches a set threshold value so as to facilitate the tester to carry out target improvement setting according to the displayed demand characteristics. And the data screening is carried out according to the correlation, so that the interference of unnecessary data can be greatly reduced.
And step S110, calling key parameters influencing the discharge capacity of the low-temperature battery to generate a plurality of to-be-tested factors.
In one embodiment, the key design parameters affecting the available discharge capacity of the low-temperature battery can be obtained through system analysis and QFD (Quality Function development) analysis, and are: whether the residual heat Of the motor is used for heating the battery assembly, a Positive Temperature Coefficient (PTC) heating system starting SOC (State Of Charge) control threshold value and a PTC heating system closing Temperature control threshold value.
And step S120, testing the factor to be tested according to a preset simulation testing tool to obtain a testing result.
In one embodiment, according to the key Design parameters obtained in the foregoing, a 3-factor 2 level is extracted for experimental Design by a DOE (Design Of Experiment) full-factor test method. The corresponding factor A is whether the waste heat of the motor is used for heating the battery assembly, the low level is on, and the high level is off; the factor B is a PTC heating system starting SOC control threshold value, the low level is m, and the high level is n; factor C is the PTC heating system off temperature control threshold, with p at the low level and q at the high level. The values of m, n, p, and q may be set according to the actual condition of the vehicle battery, and are not limited herein.
In one embodiment, the testing the factor to be tested according to a preset simulation testing tool includes:
performing test combination on the basis of a plurality of preset horizontal parameters of each factor to be tested to obtain a plurality of combination items;
and testing each combination item through the simulation test tool to obtain a battery available discharge capacity result of each combination item as the test result.
Specifically, please refer to fig. 2, wherein fig. 2 is a schematic view of an experimental combination according to an embodiment of the present application. And generating a general full-factor experiment combination through Minitab software, and carrying out CAE simulation test according to each experiment in the experiment combination to obtain a simulation result of the available discharge electric quantity of the battery of each experiment.
And S130, establishing a mapping relation between the to-be-tested factor and the available discharge capacity of the low-temperature battery according to the test result.
In one embodiment, establishing a mapping relation between the factor to be tested and the discharge capacity available for the low-temperature battery according to the test result includes:
establishing a mathematical model according to the battery available discharge capacity result of each data item, and establishing a mapping relation between the factor to be tested and the low-temperature battery available discharge capacity through the mathematical model, wherein the method for establishing the mathematical model comprises the following steps: pareto, normal distribution, residual, or primary-interaction.
And constructing a real mapping relation between the approximation design variable and the response variable of the mathematical model based on the information obtained by calculating each sample of the experimental design. The design variables are whether the waste heat of the motor is used for heating the battery assembly, the starting SOC control threshold of the PTC heating system and the closing temperature control threshold of the PTC heating system, and the response variable is the available discharge electric quantity of the low-temperature battery.
And constructing a real mapping relation between an approximation design variable and a response variable of a mathematical model by analyzing a pareto chart, a normal distribution chart, a residual error chart and a main effect-interaction effect chart in factor design based on data obtained by experimental design of each sample in the previous step. The design variables are whether the waste heat of the motor is used for heating the battery assembly, the starting SOC control threshold of the PTC heating system and the closing temperature control threshold of the PTC heating system, and the response variable is the available discharge electric quantity of the low-temperature battery.
And step S140, determining the optimal value of each key parameter according to the mapping relation, and if the optimal value meets the lifting target, outputting the optimal value of the key parameter to control the available discharge capacity of the battery.
In an embodiment, determining the optimal value of each key parameter according to the mapping relation includes:
and optimizing the value of the factor to be tested in the mapping relation by using the maximum available discharge capacity of the battery assembly as a target to obtain the optimal combination mode corresponding to the factor to be tested and the optimal value of the key parameter corresponding to the optimal combination mode.
In one embodiment, key parameters are analyzed, and an optimal factor combination is determined through a response optimizer, since the purpose of the project is to improve the available discharge electric quantity of the power battery assembly in the low-temperature environment and achieve the expected large characteristic, the target selection is maximized, and the optimal factor combination is obtained through the output result of the response optimizer: whether the residual heat of the motor is used for heating the battery assembly by x1 or not, the starting SOC control threshold of the PTC heating system is x2, and the closing temperature control threshold of the PTC heating system is x3.
In one embodiment, before outputting the optimal value of the key parameter for controlling the discharge capacity available for the battery, the method further comprises:
inputting the optimal value of the key parameter into a preset simulation control model, and outputting the optimal value of the key parameter after determining that the optimal value of the key parameter meets the lifting target under the condition of the optimal value of the key parameter through the preset simulation control model.
Specifically, the obtained optimal factor combinations, namely the key parameter combinations are x1, x2 and x3 respectively, and a verification experiment is carried out according to the steps to verify the analysis result. And meanwhile, importing the experimental parameters into a control model, wherein the control model is a simulation model comprising a thermal management control strategy, verifying the available discharge electric quantity of the battery assembly in the low-temperature environment, and determining whether the target of the available discharge electric quantity of the battery assembly in the low-temperature environment is reached.
Based on the technical scheme, the method is suitable for projects needing to improve the discharge electric quantity of the low-temperature battery assembly, and aims to obtain the optimal parameter value for improving the available discharge electric quantity of the power battery by methods such as DOE (design of experiments), response optimization and the like so as to achieve project indexes; according to the method for improving the available discharge electric quantity of the power battery in the low-temperature environment, the waste heat of the motor is introduced and the PTC is required to be started simultaneously in the running process of the whole vehicle; according to the method based on DOE experimental design, the result of each experiment in the full-factor experiment is obtained through CAE simulation test, so that the experiment time is saved; the control parameter for improving the available discharge electric quantity of the power battery assembly in the low-temperature environment is obtained by using the response optimizer. The method for improving the available discharge electric quantity of the power battery in the low-temperature environment can be directly applied to other similar projects, and the optimal parameter value for improving the available discharge electric quantity of the power battery is obtained through DOE experimental design, response optimization and other methods so as to achieve project indexes.
Referring to fig. 3, the present embodiment provides a system for controlling an available discharge amount of a battery assembly, which is used for implementing the method for controlling an available discharge amount of a battery assembly in the foregoing method embodiments. Since the technical principle of the system embodiment is similar to that of the method embodiment, repeated description of the same technical details is omitted.
In one embodiment, a system for controlling an available discharge amount of a battery assembly includes: the target obtaining module 10 is configured to obtain a user demand, and determine a target for increasing an available discharge capacity of the battery assembly in a low-temperature environment according to the user demand; the parameter calling module 11 is used for calling key parameters influencing the discharge capacity of the low-temperature battery to generate a factor to be tested, wherein the number of the key parameters is multiple; the simulation testing module 12 is used for testing the factor to be tested according to a preset simulation testing tool to obtain a testing result; the mapping module 13 is configured to establish a mapping relation between the factor to be tested and the available discharge capacity of the low-temperature battery according to the test result; and the parameter output module 14 is configured to determine an optimal value of each key parameter according to the mapping relation, and output the optimal value of each key parameter to perform available battery discharge control if the optimal value meets the lifting target.
An embodiment of the present application further provides a device for controlling an available discharge amount of a battery assembly, where the device may include: one or more processors; and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the method of fig. 1. In practical applications, the device may be used as a terminal device, and may also be used as a server, where examples of the terminal device may include: the mobile terminal includes a smart phone, a tablet computer, an e-book reader, an MP3 (moving Picture Experts Group Audio Layer III) player, an MP4 (moving Picture Experts Group Audio Layer IV) player, a laptop portable computer, a car-mounted computer, a desktop computer, a set-top box, an intelligent television, a wearable device, and the like.
A machine-readable medium is also provided in an embodiment of the present application, where one or more modules (programs) are stored in the medium, and when the one or more modules are applied to a device, the device may execute instructions (instructions) included in the method for controlling a discharge amount available for a battery assembly in fig. 1 in an embodiment of the present application. The machine-readable medium can be any available medium that a computer can store or a data storage device including one or more available media integrated servers, data centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
Referring to fig. 4, the present embodiment provides a device 80, and the device 80 may be a desktop device, a laptop computer, a smart phone, or the like. In detail, the device 80 comprises at least, connected by a bus 81: a memory 82 and a processor 83, wherein the memory 82 is used for storing computer programs, and the processor 83 is used for executing the computer programs stored in the memory 82 to execute all or part of the steps of the foregoing method embodiments.
The above-mentioned system bus may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The system bus may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus. The communication interface is used for realizing communication between the database access device and other equipment (such as a client, a read-write library and a read-only library). The Memory may include a Random Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the present application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (10)
1. A method for controlling an amount of discharge available to a battery assembly, comprising:
acquiring user requirements, and determining a target for increasing the available discharge capacity of the battery assembly in a low-temperature environment according to the user requirements;
calling key parameters influencing the discharge capacity of the low-temperature battery to generate a plurality of factors to be tested;
testing the factor to be tested according to a preset simulation testing tool to obtain a testing result;
establishing a mapping relation between the factors to be tested and the available discharge capacity of the low-temperature battery according to the test result;
and determining the optimal value of each key parameter according to the mapping relation, and if the optimal value meets the lifting target, outputting the optimal value of the key parameter to control the available discharge capacity of the battery.
2. The method for controlling the available discharge capacity of the battery assembly according to claim 1, wherein determining the target for increasing the available discharge capacity of the battery assembly in the low-temperature environment according to the user requirement comprises:
acquiring a description text required by a user;
extracting the features of the description text to obtain required features;
and calculating a correlation coefficient of the demand characteristics and preset target characteristics, and outputting the demand characteristics of which the correlation coefficient is higher than a preset threshold value to a target terminal for target improvement setting.
3. The method of claim 1, wherein the key parameters include: whether the motor waste heat is used for heating the battery assembly, a threshold value for controlling the charge state of a battery started by the heating system and a threshold value for controlling the temperature of a heating system stopped.
4. The method for controlling the available discharge capacity of a battery assembly according to claim 1, wherein the testing of the factor to be tested according to a preset simulation testing tool comprises:
performing test combination based on a plurality of horizontal parameters preset by each factor to be tested to obtain a plurality of combination items;
and testing each combination item through the simulation test tool to obtain a battery available discharge capacity result of each combination item as the test result.
5. The method for controlling the available discharge capacity of the battery assembly according to claim 4, wherein the step of establishing a mapping relation between the factor to be tested and the available discharge capacity of the low-temperature battery according to the test result comprises the following steps:
establishing a mathematical model according to the battery available discharge capacity result of each data item, and establishing a mapping relation between the factor to be tested and the low-temperature battery available discharge capacity through the mathematical model, wherein the method for establishing the mathematical model comprises the following steps: pareto, normal distribution, residual, or primary-interaction.
6. The method of claim 1, wherein determining the optimal value of each key parameter according to the mapping relation comprises:
and optimizing the value of the factor to be tested in the mapping relation by using the maximum available discharge capacity of the battery assembly as a target to obtain the optimal combination mode corresponding to the factor to be tested and the optimal value of the key parameter corresponding to the optimal combination mode.
7. The method of claim 1, wherein before outputting the optimal value of the key parameter for controlling the battery available discharge amount, the method further comprises:
inputting the optimal value of the key parameter into a preset simulation control model, and outputting the optimal value of the key parameter after determining that the optimal value of the key parameter meets the lifting target under the condition of the optimal value of the key parameter through the preset simulation control model.
8. A method for controlling an amount of discharge available to a battery assembly, comprising:
the target acquisition module is used for acquiring user requirements and determining a lifting target of the available discharge capacity of the battery assembly in the low-temperature environment according to the user requirements;
the parameter calling module is used for calling key parameters influencing the discharge capacity of the low-temperature battery to generate a to-be-tested factor, and the number of the key parameters is multiple;
the simulation test module is used for testing the factor to be tested according to a preset simulation test tool to obtain a test result;
the mapping module is used for establishing a mapping relation between the factor to be tested and the available discharge capacity of the low-temperature battery according to the test result;
and the parameter output module is used for determining the optimal value of each key parameter according to the mapping relation, and outputting the optimal value of each key parameter to control the available discharge capacity of the battery if the optimal value meets the lifting target.
9. A computer device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the battery assembly available discharge amount control method of any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the battery assembly available discharge amount control method according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211177284.2A CN115621581A (en) | 2022-09-26 | 2022-09-26 | Method, system, equipment and medium for controlling available discharge capacity of battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211177284.2A CN115621581A (en) | 2022-09-26 | 2022-09-26 | Method, system, equipment and medium for controlling available discharge capacity of battery assembly |
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