CN112968920B - Real-time monitoring system and method for fuel cell engine test data - Google Patents

Real-time monitoring system and method for fuel cell engine test data Download PDF

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CN112968920B
CN112968920B CN201911284551.4A CN201911284551A CN112968920B CN 112968920 B CN112968920 B CN 112968920B CN 201911284551 A CN201911284551 A CN 201911284551A CN 112968920 B CN112968920 B CN 112968920B
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data
test
real
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fuel cell
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CN112968920A (en
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张国强
杨绍军
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Yihuatong Power Technology Co ltd
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Yihuatong Power Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
    • H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN
    • 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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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Computer Hardware Design (AREA)
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  • General Engineering & Computer Science (AREA)
  • Testing And Monitoring For Control Systems (AREA)
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Abstract

The invention provides a fuel cell engine test data real-time monitoring system and a method, wherein the fuel cell engine test data real-time monitoring system comprises: the system comprises a plurality of test benches, a plurality of data acquisition and analysis units, a plurality of test benches and a plurality of Control Area Network (CAN) bus communication units, wherein the plurality of data acquisition and analysis units respectively correspond to the plurality of test benches, and each data acquisition and analysis unit acquires and analyzes CAN data of an engine connected on a CAN bus of the corresponding test bench in real time in the process of testing the engine; the data forwarding unit is used for respectively receiving the analyzed CAN data from the plurality of data acquisition and analysis units and scheduling and forwarding the analyzed CAN data; and the monitoring service unit receives and displays the analyzed CAN data from the data forwarding unit. The real-time monitoring system and the method for the test data of the fuel cell engine can monitor the data generated in the test process of a plurality of test benches remotely, in real time and in a centralized manner, so that testers can respond quickly, the test efficiency is improved, and the test resources are saved.

Description

Fuel cell engine test data real-time monitoring system and method
Technical Field
The invention belongs to the field of fuel cell engine testing, and particularly relates to a real-time monitoring system and method for fuel cell engine testing data.
Background
The fuel cell engine CAN generate a large amount of data in the testing process, the existing testing stand CAN store the data generated on a Controller Area Network (CAN) bus of the engine in an ASC format in the testing process, but cannot display the data generated in the testing process in real time, and only CAN open a file for checking by using a professional tool in the later period to find problems in the testing process, which is very inconvenient for a tester. Moreover, there are many more serious problems that need to be intervened by the tester in the testing process, and because the tester cannot see the real-time data, the tester cannot quickly process the problems, sometimes the whole test is invalid, and the testing resources are seriously wasted.
At present, most of data monitoring in tests is realized by communicating a CAN card to a CAN bus of a test engine, and checking real-time data by professional software provided by an engine manufacturer installed on an upper computer. However, the data monitoring method has the following disadvantages:
(1) Because professional software needs to be installed to check data in real time, a computer and a CAN card need to be configured for each rack, and each upper computer needs to be watched by professional personnel, so that the test cost is increased;
(2) Each engine needs an operator to connect the CAN card to the engine in the test process, so that the operation is inconvenient;
(3) Engines from different manufacturers require different upper computer software.
Disclosure of Invention
The invention aims to: in order to solve the existing problems, the system and the method for monitoring the test data of the fuel cell engine in real time are provided, and the data generated in the test process of a plurality of test benches can be monitored remotely, in real time and in a centralized manner, so that testers can respond quickly, the test efficiency is improved, and the test resources are saved.
In order to achieve the above object, the present application provides a real-time monitoring system for fuel cell engine test data, comprising:
the system comprises a plurality of test benches, a plurality of data acquisition and analysis units, a plurality of test benches and a plurality of Control Area Network (CAN) bus communication units, wherein the plurality of data acquisition and analysis units respectively correspond to the plurality of test benches, and each data acquisition and analysis unit acquires and analyzes CAN data of an engine connected on a CAN bus of the corresponding test bench in real time in the process of testing the engine;
the data forwarding unit receives the analyzed CAN data from the plurality of data acquisition and analysis units respectively and schedules and forwards the analyzed CAN data;
and the monitoring service unit receives and displays the analyzed CAN data from the data forwarding unit.
Further, the data acquisition and analysis unit includes:
the data acquisition module acquires CAN data transmitted to the corresponding test bench through a CAN bus in real time in the engine test process and packages the CAN data into a CAN data packet;
and the data analysis module receives and analyzes the CAN data packet from the data acquisition module in real time.
Further, the data parsing module comprises:
the DBC file analysis module analyzes the DBC file according to the decryption class library;
and the CAN protocol analysis module analyzes the CAN data packet according to the analyzed DBC file.
Further, the monitoring service unit includes:
the monitoring server is in communication connection with the data forwarding unit, receives and stores the analyzed CAN data forwarded by the data forwarding unit, and pushes the analyzed CAN data to a monitoring terminal;
and the monitoring terminal is used for carrying out graphical processing and graphical display on the analyzed CAN data.
Furthermore, the DBC file and the decryption class library are imported into the monitoring server through the monitoring terminal, and are transmitted to the data acquisition and analysis unit through the data forwarding unit.
Further, the real-time monitoring method for the test data of the fuel cell engine comprises the following steps:
the CAN data of the engines connected on the CAN buses of a plurality of test racks are collected and analyzed in real time in the engine test process;
scheduling and forwarding the analyzed CAN data;
and receiving and displaying the analyzed CAN data.
Further, collecting and analyzing CAN data of engines connected on CAN buses of a plurality of test racks in real time during engine testing includes performing the following steps for each test rack:
collecting CAN data transmitted to a corresponding test bench through a CAN bus in real time in the engine test process and packaging the CAN data into a CAN data packet;
and receiving and analyzing the CAN data packet in real time.
Further, parsing the CAN packet in real time includes:
analyzing the DBC file according to the decryption class library;
and analyzing the CAN data packet according to the analyzed DBC file.
Further, the receiving and displaying the analyzed CAN data includes:
receiving, storing and pushing the analyzed CAN data,
and carrying out graphical processing and graphical display on the analyzed CAN data.
Further, the real-time monitoring method for the fuel cell engine test data further comprises the following steps: and importing the DBC file and the decryption class library.
The real-time monitoring system and the real-time monitoring method for the test data of the fuel cell engine can monitor data generated in the test process of a plurality of test benches remotely, in real time and in a centralized mode, so that a tester can respond quickly, the test efficiency is improved, and test resources are saved. Furthermore, the real-time monitoring system and the real-time monitoring method for the fuel cell engine test data can decrypt and analyze the encrypted DBC file according to the loaded decryption class library, so that the confidentiality of the DBC file of a manufacturer is realized; and the DBC file CAN be dynamically loaded and decrypted, different CAN data CAN be analyzed according to different DBC files, and engines of different manufacturers CAN be tested.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a network topology diagram of a fuel cell engine test data real-time monitoring system according to an exemplary embodiment of the present invention.
Fig. 2 is an architecture diagram of a fuel cell engine test data real-time monitoring system according to an exemplary embodiment of the present invention.
FIG. 3 is a flow chart of a method for real-time monitoring of fuel cell engine test data according to an exemplary embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
According to an exemplary embodiment of the present invention, a fuel cell engine test data real-time monitoring system includes:
the system comprises a plurality of test benches, a plurality of data acquisition and analysis units, a plurality of test benches and a plurality of Control Area Network (CAN) bus communication units, wherein the plurality of data acquisition and analysis units respectively correspond to the plurality of test benches, and each data acquisition and analysis unit acquires and analyzes CAN data of an engine connected on a CAN bus of the corresponding test bench in real time in the process of testing the engine;
the data forwarding unit receives the analyzed CAN data from the plurality of data acquisition and analysis units respectively and schedules and forwards the analyzed CAN data;
and the monitoring service unit receives and displays the analyzed CAN data from the data forwarding unit.
The data acquisition and analysis unit, the data forwarding unit and the monitoring service unit can be realized by hardware, software or a combination of hardware and software.
The real-time monitoring system for the test data of the fuel cell engine can monitor the data generated in the test process of a plurality of test benches remotely, in real time and in a centralized manner, so that a tester can respond quickly, the test efficiency is improved, and the test resources are saved.
FIG. 1 illustrates a network topology of a fuel cell engine test data real-time monitoring system according to an exemplary embodiment of the present invention. As can be seen from fig. 1, the data forwarding unit (shown as a data bus server in the example of fig. 1) is a data transmission center of the whole system, the data acquisition and analysis unit (mounted on the test bench in the example of fig. 1, not separately shown) is a core module of data acquisition and analysis in the whole system, and the monitoring service unit may provide a user interface through which a user can remotely monitor and control the test bench under test.
Fig. 2 shows an architecture diagram of a fuel cell engine test data real-time monitoring system according to an exemplary embodiment of the present invention. As shown in fig. 2, the architecture of the system may include a data access layer, a data parsing layer, a data forwarding layer, and a data presentation layer. The data acquisition and analysis unit corresponds to the data access layer and the data analysis layer, the data forwarding unit corresponds to the data forwarding layer, and the monitoring service unit corresponds to the data display layer.
In one exemplary embodiment, the plurality of data acquisition and analysis units are respectively in one-to-one correspondence with the plurality of test racks and mounted on the corresponding test racks. Each test bench CAN be connected with an engine through a CAN bus, and data generated in the engine test process CAN be transmitted to the test bench through the CAN bus. And each test bench is provided with a data acquisition and analysis unit so as to acquire and analyze CAN data generated by the engine on the corresponding test bench in the test process and send the analyzed CAN data to the data forwarding unit.
In one embodiment, the data acquisition and parsing unit may be an Agent program installed on the test rig.
In one embodiment, the data acquisition and analysis unit comprises:
the data acquisition module acquires CAN data transmitted to the corresponding test bench through a CAN bus in real time in the engine test process and packages the CAN data into a CAN data packet;
and the data analysis module receives and analyzes the CAN data packet from the data acquisition module in real time.
Compared with the prior art, the CAN bus of the test bench receives CAN data generated by the test engine in real time, the CAN data is acquired in real time through the data acquisition module and is analyzed in real time through the data analysis module, and a CAN card and professional software do not need to be installed for each engine in the test process to check the real-time data, so that the operation is convenient and the test cost is reduced.
The data acquisition module may correspond to the data access layer in the system architecture shown in fig. 2. The data acquisition module receives all data generated on the CAN bus during the test and packages the data into a data packet, which may consist of information such as ID and Value, for example.
The data parsing module may correspond to the data parsing layer in the system architecture shown in fig. 2. And the data analysis module receives and analyzes the CAN data packet from the data acquisition module in real time. In one embodiment, the data parsing module includes:
the DBC file analysis module analyzes the DBC file according to the decryption class library;
and the CAN protocol analysis module analyzes the CAN data packet according to the analyzed DBC file.
A DBC file is a file that describes data communication between nodes of a CAN network. Because the DBC file is confidential for engine manufacturers, the DBC file loaded by the system is usually encrypted, a decrypted class library needs to be imported into the system when the system starts to be tested, and the DBC file parsing module parses the related DBC file according to the decrypted class library and caches information into the data acquisition and parsing unit.
The CAN protocol analysis module CAN analyze the received CAN data packet according to the frame ID according to the cache information of the corresponding DBC file, then convert the CAN data packet into a data packet unified by the system, and send the data packet to the data forwarding unit.
The real-time monitoring system for the test data of the fuel cell engine CAN decrypt and analyze the encrypted DBC file according to the loaded decryption class library, realizes the confidentiality of the DBC file of a manufacturer, CAN analyze different CAN data according to different DBC files, CAN test engines of different manufacturers, CAN analyze the CAN data in real time through the DBC file, and CAN dynamically load and decrypt the DBC file.
The data forwarding unit may be, for example, a server, such as the data bus server shown in fig. 1, or the like. The data forwarding unit is respectively in communication connection with the monitoring service unit and the plurality of data acquisition and analysis units, and is responsible for forwarding data sent to the data forwarding unit by the data acquisition and analysis units to different service modules according to different routing rules and using the data to other modules. For example, the data forwarding unit may forward the CAN data sent to the data forwarding unit by each data collection and analysis unit to the monitoring service unit for presentation. In addition, the data forwarding unit may also schedule and forward other data, for example, data or instructions sent to the data forwarding unit by the monitoring service unit or other service modules may be forwarded to the corresponding data acquisition and analysis unit.
Through the data forwarding unit, data on a plurality of test racks can be forwarded to the independent remote monitoring service unit in a centralized manner for centralized viewing, so that remote centralized monitoring is realized.
The monitoring service unit is responsible for displaying the data forwarded to the monitoring service unit through the data forwarding unit to a system interface through patterns and the like according to different protocol formats so as to be checked by testers. In one embodiment, the monitoring service unit includes:
the monitoring server is in communication connection with the data forwarding unit, receives and stores the analyzed CAN data forwarded by the data forwarding unit, and pushes the analyzed CAN data to a monitoring terminal;
and the monitoring terminal is used for carrying out graphical processing and graphical display on the analyzed CAN data.
The monitoring server may be implemented by an independent server or a server cluster composed of a plurality of servers. The monitoring server pushes data to the monitoring terminal in real time through a WebSocket protocol according to different data types.
The monitoring terminal includes, but is not limited to, an industrial computer, a personal computer, a notebook computer, a smart phone, a tablet computer, and a portable wearable device. The monitoring terminal can perform graphical processing on the data pushed by the monitoring server through the drawing module, so that the data can be visually displayed to current testers in a graph mode, and the testers can see information such as the test progress and problems of the current rack in real time.
In one embodiment, the monitoring service unit further has an important function of a user interface, which is a way for a tester to interact with the system, and the tester can submit a DBC file, decrypt a class library, test control and other operations through the user interface. The DBC file and the decryption class library can be led into the monitoring server through the monitoring terminal and transmitted to the data acquisition and analysis unit through the data forwarding unit. For example, the DBC file and decryption class library provided by the engine manufacturer may be entered into the system by a test supervisor on a monitoring terminal through a test interface before or at the start of the test. The tester can issue various instructions such as a test starting instruction, a control instruction and the like through a user interface of the monitoring terminal, and issue the instructions to the test bench through the data acquisition and analysis unit.
An exemplary operation of a fuel cell engine test data real-time monitoring system according to an exemplary embodiment of the present invention is described below.
Firstly, an engine is connected into a test bench, including various gas and water pipelines, circuits and the like, and is completed by a test installer to prepare for testing the engine;
the tester opens the test interface on the monitoring terminal to input the DBC file and the decryption class library provided by the engine manufacturer into the system, and the step can be carried out simultaneously with the preparation work;
after receiving a decryption class library and a DBC file input by a user, the system sends the file to a data acquisition and analysis unit on a specified test bench through a data forwarding unit;
after the data acquisition and analysis unit receives a decryption class library and a DBC file issued by the system, the DBC file is firstly analyzed, and then the analyzed data is cached to the data acquisition and analysis unit;
a tester can check the test state of the test bench on a test interface of the monitoring terminal to see whether the test bench is ready;
if the test bench is ready, the tester issues a test start instruction through a test interface of the monitoring terminal, and after the system receives the test start instruction issued by the tester, the system issues the instruction to the test bench through the data acquisition and analysis unit, and the step can also be realized by the tester through an operation button of the bench on the test site;
when the bench starts to test, CAN data sent by the engine CAN be received on the CAN bus;
the data acquisition and analysis unit on the test bench receives CAN bus data sent by the bench, analyzes the received CAN data according to DBC file information cached in the system, and converts the CAN data into a uniform data packet format of the system;
the data acquisition and analysis unit on the test bench sends the converted data packet to a data forwarding unit of the system, and the data forwarding unit carries out scheduling and forwarding;
the monitoring service unit receives CAN data sent from the data bus, pushes the data to a monitoring interface of a tester in real time through a WebSocket protocol according to different data types, and visually displays the data to the current tester in a graphic mode so that the tester CAN see information such as the test progress, problems and the like of the current rack in real time.
According to an exemplary embodiment of the present invention, a method for real-time monitoring of fuel cell engine test data includes:
s110: the CAN data of the engines connected on the CAN buses of the plurality of test benches are collected and analyzed in real time in the engine test process;
s120: scheduling and forwarding the analyzed CAN data;
s130: and receiving and displaying the analyzed CAN data.
The real-time monitoring method for the fuel cell engine test data can be realized by the real-time monitoring system for the fuel cell engine test data. A data acquisition and analysis unit CAN be arranged on each test bench, so that CAN data generated by the engine on the corresponding test bench in the test process CAN be acquired and analyzed, and the analyzed CAN data CAN be sent to the data forwarding unit. And the data forwarding unit forwards the data sent to the data forwarding unit by the data acquisition and analysis unit to different service modules according to different routing rules for other modules to use. The monitoring service unit displays the data forwarded to the monitoring unit by the data forwarding unit to a system interface according to different protocol formats in a mode of graphics and the like so as to be checked by a tester.
The real-time monitoring method for the test data of the fuel cell engine can remotely, real-timely and intensively monitor the data generated in the test process of a plurality of test benches, so that a tester can quickly respond, the test efficiency is improved, and the test resources are saved.
In one embodiment, step S110 includes performing the following steps for each test rack:
collecting CAN data transmitted to a corresponding test bench through a CAN bus in real time in the engine test process and packaging the CAN data into a CAN data packet;
and receiving and analyzing the CAN data packet in real time.
Compared with the prior art, the method for monitoring the test data of the fuel cell engine in real time receives the CAN data generated by the test engine in real time through the CAN bus of the test bench so as to perform real-time acquisition and analysis, and a CAN card and professional software do not need to be installed for each engine in the test process to check the real-time data, so that the method is convenient to operate and reduces the test cost.
In one embodiment, receiving and parsing the CAN packet in real-time comprises:
analyzing the DBC file according to the decryption class library;
and analyzing the CAN data packet according to the analyzed DBC file.
The real-time monitoring method for the test data of the fuel cell engine CAN decrypt and analyze the encrypted DBC file according to the loaded decryption class library, realizes the confidentiality of the DBC file of a manufacturer, CAN analyze different CAN data according to different DBC files, CAN test engines of different manufacturers, CAN analyze the CAN data in real time through the DBC file, and CAN dynamically load and decrypt the DBC file.
In one embodiment, step S130 includes:
receiving, storing and pushing the analyzed CAN data,
and carrying out graphical processing and graphical display on the analyzed CAN data.
In one embodiment, the real-time monitoring method for fuel cell engine test data further comprises: and importing the DBC file and the decryption class library.
It should be understood that the various steps or sub-steps described above are not necessarily performed sequentially in order. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps described above may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed alternately or in alternation with other steps or at least a portion of the sub-steps or stages of other steps.
The real-time monitoring system and the real-time monitoring method for the test data of the fuel cell engine can remotely, real-timely and intensively monitor the data generated in the test process of a plurality of test benches, so that a tester can quickly respond, the test efficiency is improved, and the test resources are saved. Furthermore, the real-time monitoring system and the real-time monitoring method for the fuel cell engine test data can decrypt and analyze the encrypted DBC file according to the loaded decryption class library, so that the confidentiality of the DBC file of a manufacturer is realized; and the DBC file CAN be dynamically loaded and decrypted, different CAN data CAN be analyzed according to different DBC files, and engines of different manufacturers CAN be tested.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A fuel cell engine test data real-time monitoring system, the fuel cell engine test data real-time monitoring system comprising:
the system comprises a plurality of test benches, a plurality of data acquisition and analysis units, a plurality of test benches and a plurality of Control Area Network (CAN) bus communication units, wherein the plurality of data acquisition and analysis units respectively correspond to the plurality of test benches, and each data acquisition and analysis unit acquires and analyzes CAN data of an engine connected on a CAN bus of the corresponding test bench in real time in the process of testing the engine;
the data forwarding unit receives the analyzed CAN data from the plurality of data acquisition and analysis units respectively and schedules and forwards the analyzed CAN data;
a monitoring service unit which receives and displays the analyzed CAN data from the data forwarding unit,
wherein the data acquisition and analysis unit comprises:
the data acquisition module acquires CAN data transmitted to a corresponding test bench through a CAN bus in real time in the engine test process and packages the CAN data into a CAN data packet;
the data analysis module receives and analyzes the CAN data packet from the data acquisition module in real time;
wherein, the data analysis module comprises:
the DBC file analysis module analyzes the DBC file according to the decryption class library;
the CAN protocol analysis module analyzes the CAN data packet according to the analyzed DBC file;
wherein the monitoring service unit includes:
the monitoring server is in communication connection with the data forwarding unit, receives and stores the analyzed CAN data forwarded by the data forwarding unit, and pushes the analyzed CAN data to a monitoring terminal;
and the monitoring terminal is used for carrying out graphical processing and graphical display on the analyzed CAN data.
2. The fuel cell engine test data real-time monitoring system of claim 1, wherein the DBC file and the decryption class library are imported into the monitoring server through the monitoring terminal and transmitted to the data acquisition and analysis unit through the data forwarding unit.
3. A real-time monitoring method for testing data of a fuel cell engine, which is applied to the real-time monitoring system for testing data of a fuel cell engine according to any one of claims 1 or 2, and comprises the following steps:
the CAN data of the engines connected on the CAN buses of the plurality of test benches are collected and analyzed in real time in the engine test process;
scheduling and forwarding the analyzed CAN data;
and receiving and displaying the analyzed CAN data.
4. The method of real-time monitoring of fuel cell engine test data according to claim 3, wherein collecting and interpreting CAN data of engines connected on CAN buses of a plurality of test benches in real time during engine testing includes performing the following steps for each test bench:
collecting CAN data transmitted to a corresponding test bench through a CAN bus in real time in the engine test process and packaging the CAN data into a CAN data packet;
and receiving and analyzing the CAN data packet in real time.
5. The method of real-time monitoring of fuel cell engine test data according to claim 4, wherein parsing the CAN data packets in real-time comprises:
analyzing the DBC file according to the decryption class library; and analyzing the CAN data packet according to the analyzed DBC file.
6. The method of claim 5 wherein receiving and displaying the parsed CAN data comprises:
receiving, storing and pushing the analyzed CAN data,
and carrying out graphical processing and graphical display on the analyzed CAN data.
7. The real-time monitoring method for fuel cell engine test data according to claim 6, further comprising: and importing the DBC file and the decryption class library.
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