LU503840B1 - Whole life cycle management system for health status of fuel cells - Google Patents
Whole life cycle management system for health status of fuel cells Download PDFInfo
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- LU503840B1 LU503840B1 LU503840A LU503840A LU503840B1 LU 503840 B1 LU503840 B1 LU 503840B1 LU 503840 A LU503840 A LU 503840A LU 503840 A LU503840 A LU 503840A LU 503840 B1 LU503840 B1 LU 503840B1
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- fuel cell
- cell
- health status
- feature data
- health
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- 239000000446 fuel Substances 0.000 title claims abstract description 161
- 230000003862 health status Effects 0.000 title claims abstract description 48
- 230000036541 health Effects 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000006378 damage Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000013528 artificial neural network Methods 0.000 claims description 3
- 230000005779 cell damage Effects 0.000 claims description 3
- 208000037887 cell injury Diseases 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 238000002922 simulated annealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000012216 screening Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Software Systems (AREA)
- Life Sciences & Earth Sciences (AREA)
- Automation & Control Theory (AREA)
- Computing Systems (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Medical Informatics (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to a whole life cycle management system for health status of fuel cells, comprising: a cell information acquisition module, a cell health estimation module and a remaining life estimation module; the cell information acquisition module is used for acquiring feature data of a fuel cell, processing the feature data, generating state information of the fuel cell, and sending the state information to the cell health estimation module; the cell health estimation module is used for estimating the health status of the fuel cell based on the state information of the fuel cell and sending it to the remaining life estimation module; the remaining life estimation module is used for estimating the remaining life of the fuel cell according to the health status of the fuel cell. The invention can realize the health prediction of fuel cells, is beneficial to the sorting, selection and reuse of retired batteries.
Description
DESCRIPTION LU503840
WHOLE LIFE CYCLE MANAGEMENT SYSTEM FOR HEALTH STATUS OF FUEL
CELLS
The invention relates to the technical field of cell health management, and in particular to a whole life cycle management system for health status of fuel cells.
Fuel cells have the advantages of high fuel energy conversion rate, low noise and zero emission, and can be widely used in vehicles such as automobiles, airplanes, trains and fixed power stations. Since the application of fuel cells in manned space flight, underwater submarine and distributed power station, the fuel cell has been concerned by governments and enterprises all over the world, and the capital investment in its research, development, demonstration and commercial application has been increasing.
In the future, when the proportion of coal and electricity is relatively low, due to the increase in the scale of renewable energy technologies such as wind energy and solar energy, the entire upstream power supply structure will become cleaner and cleaner.
Because of the individual differences between fuel cells, it is difficult for the fixed threshold method to cover all application scenarios, and there may be too strict screening standards, resulting in too many data screening and data missing; or the screening criteria are too loose, resulting in too little data screening and large fluctuation of performance indicators, which leads to the fact that the current health assessment methods are not universal, it is difficult to assess the health status of different types of fuel cells, and it is impossible to accurately feed back the use status and health status of fuel cells to users.
Therefore, there is an urgent need for a whole life management system of fuel cell health status to solve the above technical problems.
SUMMARY LU503840
The purpose of the invention is to provide a whole life cycle management system for health status of fuel cells, which is used for accurately evaluating the health status of the fuel cell and realizing health management in the whole life cycle.
In order to achieve the above objectives, the present invention provides the following scheme:
A whole life cycle management system for health status of fuel cells comprises a cell information acquisition module, a cell health estimation module and a remaining life estimation module;
The cell information acquisition module is used for acquiring feature data of a fuel cell, processing the feature data, generating state information of the fuel cell, and sending the state information to the cell health estimation module; the cell health estimation module is used for estimating the health status of the fuel cell based on the state information of the fuel cell and sending it to the remaining life estimation module; the remaining life estimation module is used for estimating the remaining life of the fuel cell according to the health status of the fuel cell.
Optionally, the cell information acquisition module comprises:
The cell data acquisition unit is used for acquiring feature data of the fuel cell and sending the feature data to the cell data processing unit;
The cell data processing unit is used for processing the feature data of the fuel cell and generating the state information of the fuel cell.
Optionally, the feature data of the fuel cell includes: fuel cell voltage, fuel cell current, fuel cell temperature, fuel cell internal resistance, fuel cell cumulative charge and discharge capacity, fuel cell capacity increment, fuel cell air compressor speed and fuel cell cathode back pressure valve opening.
Optionally, generating the state information of the fuel cell includes:
Respectively fitting the feature data of the fuel cell, generating an estimation curve of each feature data, calculating the weight parameter of each feature data, and saving the estimation curve of each feature data and its corresponding weight parameter as a group of fuel cell state information. LU503840
Optionally, methods for fitting the feature data of the fuel cell respectively include a neural network algorithm, a least square algorithm and a simulated annealing algorithm.
Optionally, calculating the parameter of the weight value of each feature data includes: calculating the absolute value error of the estimation curve of each feature data, and allocating the weight value according to the absolute value error of the estimation curve of each feature data.
Optionally, the cell health estimation module comprises:
The cell health estimation unit is used for optimizing and merging the state information of the fuel cell and estimating the health status of the fuel cell: the cell damage prediction unit is used for predicting the damage degree of the fuel cell according to the state information of the fuel cell and the health status of the fuel cell.
Optionally, the remaining life estimation module comprises:
The standard life acquisition unit is used for calculating the average life of the fuel cell according to historical experience and taking the average life as the standard life of the fuel cell: the remaining life estimation unit is used for estimating the remaining life of the fuel cell by fitting based on the health status of the fuel cell, the damage degree of the fuel cell and the standard life of the fuel cell.
Optionally, it also comprises a judgment module, which is used for judging the health grade of the fuel cell according to the estimated remaining life of the fuel cell, and judging when the fuel cell should be eliminated.
The invention has the beneficial effects that:
The whole life cycle management system for health status of fuel cells provided by the invention can acquire the multi-dimensional characteristics of the fuel cell, fit the health curve according to the multi-dimensional characteristics, and predict the health status and remaining life of the fuel cell, which is beneficial to sorting, selecting and reusing retired batteries and saves the labor cost of testing each fuel cell.
BRIEF DESCRIPTION OF THE FIGURE LU503840
In order to explain the embodiments of the present invention or the technical scheme in the prior art more clearly, the figure needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For ordinary people in the field, other drawings can be obtained according to these drawings without paying creative labor.
FIG. 1 is a structural diagram of a whole life cycle management system for health status of fuel cells according to an embodiment of the present invention.
In the following, the technical scheme in the embodiment of the invention will be clearly and completely described with reference to the attached drawings. Obviously, the described embodiment is only a part of the embodiment of the invention, but not the whole embodiment. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative labor belong to the scope of protection of the present invention.
In order to make the above objects, features and advantages of the present invention more obvious and easier to understand, the present invention will be further described in detail with the attached drawings and specific embodiments.
This embodiment provides a whole life cycle management system for health status of fuel cells, as shown in FIG. 1, which includes:
The cell information acquisition module is used for acquiring feature data of a fuel cell, processing the feature data, generating state information of the fuel cell, and sending the state information to the cell health estimation module; the cell health estimation module is used for estimating the health status of the fuel cell based on the state information of the fuel cell and sending it to the remaining life estimation module; the remaining life estimation module is used for estimating the remaining life of the fuel cell according to the health status of the fuel cell.
The cell information acquisition module comprises : LU503840
The cell data acquisition unit is used for acquiring feature data of the fuel cell and sending the feature data to the cell data processing unit;
The cell data processing unit is used for processing the feature data of the fuel cell and generating the state information of the fuel cell.
Through the cell management system, a plurality of feature data of the fuel cell in the operating state are obtained, including fuel cell voltage, fuel cell current, fuel cell temperature, fuel cell internal resistance, fuel cell cumulative charge-discharge capacity, fuel cell capacity increment, fuel cell air compressor speed, fuel cell cathode back pressure valve opening and the like; and the feature data are filtered and fitted based on the processed data, including a neural network algorithm, a least square algorithm, a simulated annealing algorithm and the like; and respectively generating an estimation curve of each feature data, calculating a weight parameter of each feature data, and saving the estimation curves of all feature data and their corresponding weight parameters as fuel cell state information.
Calculating the weight parameter of each feature data, adjusting the parameters of the fitting processing algorithm to make the data on the estimation curve evenly distributed on both sides, calculating the absolute average error and the absolute maximum error of the estimation curve, obtaining the absolute error according to the absolute average error and the absolute maximum error, and distributing the weight value according to the absolute error of the estimation curve of each feature data.
The cell health estimation module includes:
The cell health estimation unit is used for optimizing and merging the state information of the fuel cell and estimating the health status of the fuel cell: the cell damage prediction unit is used for predicting the damage degree of the fuel cell according to the state information of the fuel cell and the health status of the fuel cell.
According to the estimation curve of each feature data and its corresponding weight value, the estimation curves of all feature data are optimized and combined to obtain the health estimation combined curve of the fuel cell, the health status of fuel cell is estimated according to the health estimation combined curve of fuel cell, and the damage degree of fuel cell is predicted. If the fuel cell running continuously in this state is healthy, the damage degree of the fuel cell in this running state is estimated; if the fuel 503840 cell running continuously in this state fails in the future, the damage degree of the failure to the fuel cell is estimated.
The remaining life estimation module comprises:
The standard life acquisition unit is used for calculating the average life of the fuel cell according to historical experience and taking the average life as the standard life of the fuel cell: the remaining life estimation unit is used for estimating the remaining life of the fuel cell by fitting based on the health status of the fuel cell, the damage degree of the fuel cell and the standard life of the fuel cell.
According to the historical experience, the average life of this type of fuel cell is obtained as the standard life threshold of this fuel cell, and according to the estimated influence of the health status and damage degree of the fuel cell on the life, the time from the fuel cell to this standard life threshold is judged as the remaining life of the fuel cell.
In order to further optimize the technical scheme, the whole life cycle management system for health status of fuel cells provided by this embodiment further comprises a judgment module, which is used for judging the health status grade of the fuel cell according to the estimated remaining life of the fuel cell, setting the continuous use time of the corresponding health status grade, and calculating when the fuel cell should be replaced and eliminated.
In order to further optimize the technical scheme, the whole life cycle management system for health status of fuel cells provided by this embodiment further comprises: a display alarm module, which is used for storing and displaying the obtained data, estimation results, health grade judgment results and the like, so as to facilitate subsequent review and information confirmation.
The whole life cycle management system for health status of fuel cells provided by the invention can acquire the multi-dimensional characteristics of the fuel cell, fit the health curve according to the multi-dimensional characteristics, and predict the health status and remaining life of the fuel cell, which is beneficial to sorting, selecting and reusing retired batteries and saves the labor cost of testing each fuel cell.
The above-mentioned embodiment is only a description of the preferred mode of the invention, and does not limit the scope of the invention.
Under the premise of NPt508840 departing from the design spirit of the invention, various modifications and improvements made by ordinary technicians in the field to the technical scheme of the invention shall fall within the protection scope determined by the claims of the invention.
Claims (9)
1. A whole life cycle management system for health status of fuel cells, characterized by comprising: a cell information acquisition module, a cell health estimation module and a remaining life estimation module; the cell information acquisition module is used for acquiring feature data of a fuel cell, processing the feature data, generating state information of the fuel cell, and sending the state information to the cell health estimation module; the cell health estimation module is used for estimating the health status of the fuel cell based on the state information of the fuel cell and sending it to the remaining life estimation module; the remaining life estimation module is used for estimating the remaining life of the fuel cell according to the health status of the fuel cell.
2. The whole life cycle management system for health status of fuel cells according to claim 1, characterized in that, the cell information acquisition module comprises: the cell data acquisition unit is used for acquiring feature data of the fuel cell and sending the feature data to the cell data processing unit; the cell data processing unit is used for processing the feature data of the fuel cell and generating the state information of the fuel cell.
3. The whole life cycle management system for health status of fuel cells according to claim 2, characterized in that, the feature data of the fuel cell includes: fuel cell voltage, fuel cell current, fuel cell temperature, fuel cell internal resistance, fuel cell cumulative charge and discharge capacity, fuel cell capacity increment, fuel cell air compressor speed and fuel cell cathode back pressure valve opening.
4. The whole life cycle management system for health status of fuel cells according,503840 to claim 2, characterized in that, generating the state information of the fuel cell includes: respectively fitting the feature data of the fuel cell, generating an estimation curve of each feature data, calculating the weight parameter of each feature data, and saving the estimation curve of each feature data and its corresponding weight parameter as a group of fuel cell state information.
5. The whole life cycle management system for health status of fuel cells according to claim 4, characterized in that, methods for fitting the feature data of the fuel cell respectively include a neural network algorithm, a least square algorithm and a simulated annealing algorithm.
6. The whole life cycle management system for health status of fuel cells according to claim 4, characterized in that, calculating the parameter of the weight value of each feature data includes: calculating the absolute value error of the estimation curve of each feature data, and allocating the weight value according to the absolute value error of the estimation curve of each feature data.
7. The whole life cycle management system for health status of fuel cells according to claim 1, characterized in that, the cell health estimation module comprises: the cell health estimation unit is used for optimizing and merging the state information of the fuel cell and estimating the health status of the fuel cell: the cell damage prediction unit is used for predicting the damage degree of the fuel cell according to the state information of the fuel cell and the health status of the fuel cell.
8. The whole life cycle management system for health status of fuel cells according 503840 to claim 1, characterized in that, the remaining life estimation module comprises: the standard life acquisition unit is used for calculating the average life of the fuel cell according to historical experience and taking the average life as the standard life of the fuel cell: the remaining life estimation unit is used for estimating the remaining life of the fuel cell by fitting based on the health status of the fuel cell, the damage degree of the fuel cell and the standard life of the fuel cell.
9. The whole life cycle management system for health status of fuel cells according to claim 1, characterized by further comprising a judgment module, which is used for judging the health grade of the fuel cell according to the estimated remaining life of the fuel cell, and judging when the fuel cell should be eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU503840A LU503840B1 (en) | 2023-04-03 | 2023-04-03 | Whole life cycle management system for health status of fuel cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU503840A LU503840B1 (en) | 2023-04-03 | 2023-04-03 | Whole life cycle management system for health status of fuel cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU503840B1 true LU503840B1 (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU503840A LU503840B1 (en) | 2023-04-03 | 2023-04-03 | Whole life cycle management system for health status of fuel cells |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU503840B1 (en) |
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2023
- 2023-04-03 LU LU503840A patent/LU503840B1/en active IP Right Grant
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Effective date: 20231003 |