CN116907849A - Testing method for fuel cell engine - Google Patents
Testing method for fuel cell engine Download PDFInfo
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- CN116907849A CN116907849A CN202310870634.1A CN202310870634A CN116907849A CN 116907849 A CN116907849 A CN 116907849A CN 202310870634 A CN202310870634 A CN 202310870634A CN 116907849 A CN116907849 A CN 116907849A
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- 239000000446 fuel Substances 0.000 title claims abstract description 95
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000012795 verification Methods 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000010998 test method Methods 0.000 claims description 19
- 238000003745 diagnosis Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Fuel Cell (AREA)
Abstract
The invention provides a testing method for a fuel cell engine, belongs to the technical field of fuel cells, and solves the problems of complicated DBC (direct current) importing process, high human matching error rate and overlarge workload in the prior art. The method comprises the following steps: after the components of the fuel cell engine system are replaced, establishing communication connection between an upper computer and the fuel cell engine; after the communication connection is successful, the DBC of each component in the fuel cell engine system is led into an upper computer; sequentially performing DBC configuration verification and component number information verification on DBCs of all components, uploading the DBCs of the components passing the verification to a server side XNET library, and storing the DBCs as new DBCs of the components; and accessing the XNET library through a testing system in the upper computer to perform DBC selection and matching of each component, and monitoring and controlling the whole fuel cell engine system after the matching is completed so as to perform testing of the fuel cell engine or the components to be tested. The method ensures the real-time performance of the test and can improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a testing method for a fuel cell engine.
Background
The fuel cell engine system is a green energy system that uses hydrogen and oxygen to electrochemically react. The fuel cell system consists of a fuel cell stack, a hydrogen storage device, a cell management system, a motor and the like, has the characteristic of no pollution, and has important significance for realizing the important development targets of carbon neutralization and carbon peak reaching proposed by China.
Based on the development requirements of the fuel cell system, the research on the performance of the fuel cell engine assembly is very important, and the assembly comprises an air compressor in an air system, a hydrogen circulating pump in a hydrogen system, a water pump in a water path system, an engine and the like. All the components are connected with a main controller of the fuel cell engine through CAN (controller area network) communication for data acquisition and control.
After each component of the fuel cell engine system is replaced, a software engineer writes a test software bottom program, the software engineer needs to be matched with DBC (database) in the CAN protocol again, and the software version of the test interface is updated, so that the process is complicated and the workload is heavy. Different DBCs write programs corresponding to protocol versions of the DBCs generally different, so that the program versions are too many, the management is complicated and complex, the matching workload is large each time, the human matching error rate is high, and the technical requirements on operators are high. Therefore, the existing DBC introduction method is not beneficial to performance test of each component of the fuel cell engine system, and seriously affects timeliness and accuracy of the test.
Disclosure of Invention
In view of the above analysis, the embodiment of the invention aims to provide a testing method for a fuel cell engine, which is used for solving the problems of complicated introduction process, high human matching error rate and overlarge workload of DBC in the prior art.
In one aspect, an embodiment of the present invention provides a test method for a fuel cell engine, including the steps of:
after the components of the fuel cell engine system are replaced, establishing communication connection between an upper computer and the fuel cell engine;
after the communication connection is successful, the DBC of each component in the fuel cell engine system is led into an upper computer;
sequentially performing DBC configuration verification and component number information verification on DBCs of all components, uploading the DBCs of the components passing the verification to a server side XNET library, and storing the DBCs as new DBCs of the components;
and accessing the XNET library through a testing system in the upper computer to perform DBC selection and matching of each component, and monitoring and controlling the whole fuel cell engine system after the matching is completed so as to perform testing of the fuel cell engine or the components to be tested.
The beneficial effects of the technical scheme are as follows: and an XNET library is arranged at the server end and used for storing each component DBC, so that unified management of each component DBC of the engine system is realized, matching selection is switched in real time, the real-time performance of testing is ensured, the simplicity is realized, and the working efficiency is improved. The security and the accuracy of DBC uploading can be protected through double guarantees of device DBC configuration check and component number check. The DBC file is imported in an independent module mode, and when the DBC file is newly added, the whole system test interface is not required to be updated, so that the working efficiency is ensured.
Based on a further improvement of the above method, the DBC configuration check includes:
identifying DBC (digital binary code) check baud rate parameters, determining whether the DBC check baud rate parameters are consistent with the set original baud rate parameters, if so, executing the next step, otherwise, failing to check, and outputting a check failure result;
and identifying the DBC file data bit, determining whether the DBC file data bit is consistent with the set original data bit, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result.
Further, the component number information verification includes:
identifying the serial number information of each component in the engine system, determining whether the serial number information of each component is consistent with the original serial number information of the component, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result;
identifying the serial number version information of each component in the engine system, determining whether the serial number version information of each component is consistent with the confirmation version information of the component, if so, judging that the verification is passed, otherwise, not passing the verification, and outputting a verification failure result.
Further, the matching includes at least one of a send function match, a receive function match, a standby function match.
Further, the test system of the built-in fuel cell engine of the upper computer is used for controlling the electrical communication between CAN card hardware of the upper computer and the fuel cell engine through corresponding programs; and, in addition, the processing unit,
the test system has a display interface for displaying the test results of the fuel cell engine or its components under test.
Further, the test method comprises the following steps:
after the matching is completed, recognizing that the fuel cell engine fails, applying voltage to the fuel cell engine system to maintain the standby state, only supplying power to the components in the fuel cell engine system, and not outputting power;
accessing a fault diagnosis unit, importing DBC of each component in the fuel cell engine system to the fault diagnosis unit, evaluating the health state of the fuel cell engine, and generating a fault diagnosis report;
judging whether the power battery is in fault or not according to the evaluation result, if so, controlling the charging and discharging cabinet to discharge the power battery at a set discharging rate until the voltage of the power battery reaches a first voltage value, and executing the next step; otherwise, further determining a failed component in the fuel cell engine system and replacing;
standing for a set time;
controlling the charging and discharging cabinet to charge the power battery at a set charging rate until the voltage of the power battery reaches a second voltage value;
standing again for a set time;
and (3) identifying whether the SOC estimation error of the power battery is smaller than the set error, if so, continuing the test of the fuel battery engine or the component to be tested, otherwise, manually intervening to correct the power battery fault.
Further, the discharge rate is set to 0.35C, and the first voltage value is the lowest protection voltage of the power battery.
Further, the charging rate is set to 0.35C, and the second voltage value is the highest protection voltage of the power battery.
Further, the setting time for the standing was 10min.
Further, the test method comprises the following steps:
and manually correcting the DBC of the component which does not pass the verification, carrying out DBC configuration verification and component number information verification again on the corrected DBC of the component until the DBC of the component which passes the verification, uploading the DBC of the component which passes the verification to a server side XNET library, and storing the DBC as a new DBC of the component.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. the method for importing the DBC of the fuel cell system solves the technical problems that the importing of the DBC protocol cannot be changed online in real time in the prior art, the operation is particularly complicated, the error rate is high, and a large amount of time is occupied. The DBC file library (XNET library) is realized, the real-time performance and the high efficiency of DBC import are ensured, the DBC files are managed in the whole system, and the monitoring and the control of each component of the fuel cell engine system are ensured.
2. Through the established XNET module library, the DBC is read, written and stored, so that the realization of each component of the fuel cell engine system is met, the real-time accuracy of software module control, monitoring, protection and fault feedback is ensured, and the inaccuracy of no-matching control monitoring after the DBC is imported is avoided.
3. The XNET library is established, and the existing DBC and the past DBC can be managed and protected. The prior art replaces DBC, and software cannot be stored. The time for leading in DBC by the tester and the DBC matching efficiency are saved, and the testing efficiency of the tester is improved.
The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the invention, nor is it intended to be used to limit the scope of the invention.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
FIG. 1 shows a schematic diagram of the test method steps of example 1;
FIG. 2 is a schematic diagram showing information transmission involved in the test method of example 2;
fig. 3 shows a schematic flow chart of the test method of example 2.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While embodiments of the present invention are illustrated in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The term "comprising" and variations thereof as used herein means open ended, i.e., "including but not limited to. The term "or" means "and/or" unless specifically stated otherwise. The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment. The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like, may refer to different or the same object. Other explicit and implicit definitions are also possible below.
The abbreviations and definitions to which the present invention relates are first described below.
DBC: the abbreviation of Database Can, which represents the Database file of Can.
LABVIEW: LABVIEW is a program development software developed by the american National Instruments (NI) company, similar to C and BASIC development software, but significantly differs from other computer languages in that the other computer languages all use text-based languages to generate code, while LABVIEW uses the graphical editing language G to write programs, the generated programs being in block diagram form.
Example 1
In one embodiment of the present invention, a test method for a fuel cell engine is disclosed, as shown in fig. 1, comprising the steps of:
s1, after a fuel cell engine system component is replaced, establishing communication connection between an upper computer (through CAN hardware) and a fuel cell engine;
s2, after the communication connection is successful, the DBC of each component in the fuel cell engine system is led into an upper computer (can be used as an XNET library in the upper computer);
s3, in the upper computer, sequentially performing DBC configuration verification and component number information verification on the DBCs of the components, uploading the DBCs of the components passing the verification to a server side XNET library (network library, unified storage and management), and storing the DBCs as new DBCs of the components;
s4, accessing the server side XNET library through a test system in the upper computer to perform DBC selection and matching of each component, and monitoring and controlling the whole fuel cell engine system after matching is completed so as to perform testing of the fuel cell engine or components to be tested.
Compared with the prior art, the testing method for the fuel cell engine is provided with the XNET library at the server end for storing the components DBC, so that unified management of the components DBC of the engine system is realized, matching selection is switched in real time, testing instantaneity is guaranteed, simplicity is realized, and working efficiency is improved. The security and the accuracy of DBC uploading can be protected through double guarantees of device DBC configuration check and component number check. The DBC file is imported in an independent module mode, and when the DBC file is newly added, the whole system test interface is not required to be updated, so that the working efficiency is ensured.
Example 2
The improvement is carried out on the basis of the embodiment 1, the testing system in the upper computer is based on the XNET software development under the LABVIEW flag, and can upload each component DBC of the fuel cell engine system to an XNET library (also called as XNET file library) in real time, so that the unified management of each component DBC of the engine system is realized, the matching selection is switched in real time, and the instantaneity is ensured.
Step S1 further comprises: after the components of the fuel cell engine system are replaced, the testing system is started, and the communication connection between the upper computer and the fuel cell engine is established.
In step S2, the DBC of each component in the fuel cell engine system is imported into a database of an upper computer through XNET software under the LABVIEW flag. And then the test system in the upper computer is connected with the CAN card hardware thereof to realize the method for importing and controlling each component DBC of the fuel cell engine system, as shown in figure 2.
Before the DBC is uploaded, the DBC configuration check and the number information check of each component of the fuel cell engine system in the step S3 are carried out, and the DBC configuration check and the number information check are matched and uploaded to the XNET library.
Preferably, as shown in fig. 3, the DBC configuration check in step S3 includes:
s31, identifying DBC (digital binary code) check baud rate parameters, determining whether the DBC check baud rate parameters are consistent with the set original baud rate parameters, if so, executing the next step, otherwise, failing to check, and outputting a check failure result;
s32, identifying the DBC file data bit, determining whether the DBC file data bit is consistent with the set original data bit, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result.
Preferably, the component number information verification in step S3 includes:
s33, identifying the number information of each component in the engine system, determining whether the number information of each component is consistent with the original number information of the component, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result;
s34, identifying the version information of each component number in the engine system, determining whether the version information of each component number is consistent with the confirmed version information of the component, if so, judging that the verification is passed (successful), otherwise, not passing the verification, and outputting a verification failure result.
The DBC selection in the step S4 adopts the following upper computer DBC selection rules: the DBC is ensured to be uploaded to the XNET library, and DBC files in the XNET library are arbitrarily selected, so that the real-time performance and accuracy of selection are realized.
Preferably, the matching in step S4 includes at least one of a transmission function matching, a reception function matching, and a standby function matching.
Transmission function matching: after the DBC is successfully imported, a transmission signal frame completed by the DBC can be obtained, and corresponding transmission signal matching is selected according to the transmission signal frame name.
Reception function matching: after the DBC is successfully imported, a received signal frame completed by the DBC can be obtained, and corresponding received signal matching is selected according to the name of the received signal frame.
Standby function matching: after the DBC is successfully imported, a standby signal frame finished by the DBC can be obtained, and corresponding standby signal matching is selected according to the names of the standby signal frames to carry out reservation processing.
Preferably, the test system of the fuel cell engine is arranged in the upper computer and is used for controlling the CAN card hardware of the upper computer to be in electrical communication with the fuel cell engine through corresponding programs. And the test system is provided with a display interface for displaying the test result of the fuel cell engine or the component to be tested.
Preferably, the test method for a fuel cell engine further comprises the steps of:
s6, after the matching is completed, recognizing that the fuel cell engine fails, carrying out low voltage on the fuel cell engine system to enable the fuel cell engine system to maintain a standby state, only supplying power to components in the fuel cell engine system, and not outputting power supply outwards;
s7, accessing a fault diagnosis unit, importing DBCs of all components in the fuel cell engine system into the fault diagnosis unit, evaluating the health state of the fuel cell engine, and generating a fault diagnosis report;
s8, judging whether the power battery is in fault or not according to the evaluation result, if so, controlling the charging and discharging cabinet to discharge the power battery at a set discharging rate until the voltage of the power battery reaches a first voltage value, and executing the next step; otherwise, further determining a failed component in the fuel cell engine system and replacing;
preferably, the discharge rate is set to 0.35C, and the first voltage value is the lowest protection voltage of the power battery
S9, standing for set time; preferably, standing for 10min;
s10, controlling a charging and discharging cabinet to charge the power battery at a set charging rate until the voltage of the power battery reaches a second voltage value;
preferably, the charging rate is set to be 0.35C, and the second voltage value is the highest protection voltage of the power battery;
s11, standing again for a set time; preferably, standing for 10min;
s12, identifying whether the SOC estimation error of the power battery is smaller than the set error, if so, continuing the test of the fuel battery engine or the component to be tested, otherwise, manually intervening to correct the power battery fault.
Preferably, the test method further comprises the steps of:
s5, manually correcting the DBC of the component which does not pass the verification, carrying out DBC configuration verification and component number information verification again on the corrected DBC of the component until the DBC of the component passes the verification, uploading the DBC of the component which passes the verification to a server side XNET library, storing the DBC as a new DBC of the component, and executing step S4.
When the method is implemented, XNET software developed by LABVIEW is imported into each component DBC of the fuel cell engine system, a matching mechanism of information such as file configuration and engine component numbers is carried out while the DBC is loaded, so that the accuracy of matching is ensured, a built DBC file library is further perfected, real-time management is carried out in a file library form, the purpose of monitoring and controlling the DBC is achieved by switching the components DBC of the fuel cell engine system in real time through an upper computer test interface, and the DBC importing method and the control method are key points of the scheme.
Compared with the prior art, the testing method for the fuel cell engine has the following beneficial effects:
1. the method for importing the DBC of the fuel cell system solves the technical problems that the importing of the DBC protocol cannot be changed online in real time in the prior art, the operation is particularly complicated, the error rate is high, and a large amount of time is occupied. The DBC file library (XNET library) is realized, the real-time performance and the high efficiency of DBC import are ensured, the DBC files are managed in the whole system, and the monitoring and the control of each component of the fuel cell engine system are ensured.
2. Through the established XNET module library, the DBC is read, written and stored, so that the realization of each component of the fuel cell engine system is met, the real-time accuracy of software module control, monitoring, protection and fault feedback is ensured, and the inaccuracy of no-matching control monitoring after the DBC is imported is avoided.
3. The XNET library is established, and the existing DBC and the past DBC can be managed and protected. The prior art replaces DBC, and software cannot be stored. The time for leading in DBC by the tester and the DBC matching efficiency are saved, and the testing efficiency of the tester is improved.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of the prior art, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A test method for a fuel cell engine, comprising the steps of:
after the components of the fuel cell engine system are replaced, establishing communication connection between an upper computer and the fuel cell engine;
after the communication connection is successful, the DBC of each component in the fuel cell engine system is led into an upper computer;
sequentially performing DBC configuration verification and component number information verification on DBCs of all components, uploading the DBCs of the components passing the verification to a server side XNET library, and storing the DBCs as new DBCs of the components;
and accessing the XNET library through a testing system in the upper computer to perform DBC selection and matching of each component, and monitoring and controlling the whole fuel cell engine system after the matching is completed so as to perform testing of the fuel cell engine or the components to be tested.
2. The test method for a fuel cell engine according to claim 1, wherein the DBC configuration verification includes:
identifying DBC (digital binary code) check baud rate parameters, determining whether the DBC check baud rate parameters are consistent with the set original baud rate parameters, if so, executing the next step, otherwise, failing to check, and outputting a check failure result;
and identifying the DBC file data bit, determining whether the DBC file data bit is consistent with the set original data bit, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result.
3. The test method for a fuel cell engine according to claim 2, wherein the component number information verification includes:
identifying the serial number information of each component in the engine system, determining whether the serial number information of each component is consistent with the original serial number information of the component, if so, executing the next step, otherwise, failing to pass the verification, and outputting a verification failure result;
identifying the serial number version information of each component in the engine system, determining whether the serial number version information of each component is consistent with the confirmation version information of the component, if so, judging that the verification is passed, otherwise, not passing the verification, and outputting a verification failure result.
4. A test method for a fuel cell engine in accordance with any one of claims 1 to 3, wherein said matching includes at least one of a transmission function matching, a reception function matching, and a standby function matching.
5. The test method for a fuel cell engine according to claim 4, wherein the test system for a built-in fuel cell engine of the host computer is configured to control electrical communication between CAN card hardware of the host computer and the fuel cell engine by a corresponding program; and, in addition, the processing unit,
the test system has a display interface for displaying the test results of the fuel cell engine or its components under test.
6. A test method for a fuel cell engine according to any one of claims 1 to 3, further comprising the steps of:
after the matching is completed, recognizing that the fuel cell engine fails, applying voltage to the fuel cell engine system to maintain the standby state, only supplying power to the components in the fuel cell engine system, and not outputting power;
accessing a fault diagnosis unit, importing DBC of each component in the fuel cell engine system to the fault diagnosis unit, evaluating the health state of the fuel cell engine, and generating a fault diagnosis report;
judging whether the power battery is in fault or not according to the evaluation result, if so, controlling the charging and discharging cabinet to discharge the power battery at a set discharging rate until the voltage of the power battery reaches a first voltage value, and executing the next step; otherwise, further determining a failed component in the fuel cell engine system and replacing;
standing for a set time;
controlling the charging and discharging cabinet to charge the power battery at a set charging rate until the voltage of the power battery reaches a second voltage value;
standing again for a set time;
and (3) identifying whether the SOC estimation error of the power battery is smaller than the set error, if so, continuing the test of the fuel battery engine or the component to be tested, otherwise, manually intervening to correct the power battery fault.
7. The test method for a fuel cell engine according to claim 6, wherein the discharge rate is set to 0.35C, and the first voltage value is a minimum protection voltage of the power cell.
8. The test method for a fuel cell engine according to claim 7, wherein the charge rate is set to 0.35C, and the second voltage value is a highest protection voltage of the power cell.
9. The test method for a fuel cell engine according to claim 7 or 8, wherein the setting time for the rest is 10min.
10. A test method for a fuel cell engine according to any one of claims 1 to 3, further comprising the steps of:
and manually correcting the DBC of the component which does not pass the verification, carrying out DBC configuration verification and component number information verification again on the corrected DBC of the component until the DBC of the component which passes the verification, uploading the DBC of the component which passes the verification to a server side XNET library, and storing the DBC as a new DBC of the component.
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| CN202310870634.1A CN116907849A (en) | 2023-07-17 | 2023-07-17 | Testing method for fuel cell engine |
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| CN202310870634.1A CN116907849A (en) | 2023-07-17 | 2023-07-17 | Testing method for fuel cell engine |
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