CN112632702A - Vehicle protocol diagnostic tool detection method and device - Google Patents
Vehicle protocol diagnostic tool detection method and device Download PDFInfo
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- CN112632702A CN112632702A CN202011533165.7A CN202011533165A CN112632702A CN 112632702 A CN112632702 A CN 112632702A CN 202011533165 A CN202011533165 A CN 202011533165A CN 112632702 A CN112632702 A CN 112632702A
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Abstract
The invention discloses a vehicle protocol diagnostic tool detection method and a device, wherein simulation data is obtained by utilizing a simulation module to simulate the running process of a vehicle according to a preset protocol parameter rule; the simulation data of the simulation module is read by the vehicle protocol diagnosis tool to obtain read data, and the read data is compared with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault or not, so that a real vehicle is not required to be used for detection, and the detection cost is reduced.
Description
Technical Field
The invention relates to the field of vehicle detection, in particular to a vehicle protocol diagnostic tool detection method and device.
Background
With the continuous development of automobile technology, various controllers are more and more widely applied to vehicles, and in order to realize effective control of the vehicles and avoid the influence on the debugging and normal operation of the vehicles due to the faults of the controllers, the controllers are often required to be debugged and detected before being formally applied, and the accuracy and effectiveness of the functions of a vehicle protocol diagnosis tool required by the detection of the controllers directly influence the detection results of the controllers.
The existing vehicle protocol diagnosis tool is often detected based on an entity sample vehicle, the detection mode is inconvenient, and the development cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a low-cost vehicle protocol diagnostic tool detection method and device.
In a first aspect, an embodiment of the present application provides a method for detecting a vehicle protocol diagnostic tool, where the vehicle protocol diagnostic tool is connected to a simulation module;
the vehicle protocol diagnostic tool detection method comprises the following steps:
controlling the simulation module to simulate data of the vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
and comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
Optionally, the preset protocol parameter rule includes a change value and a change rule of the operation data;
the step of controlling the simulation module to simulate the data of the running of the vehicle comprises the following steps:
and controlling the simulation unit to change the change value according to the change rule to obtain simulation data.
Optionally, the step of reading the simulation data of the simulation module by using the vehicle protocol diagnostic tool includes:
acquiring a user instruction and a communication protocol of a vehicle;
packaging the user instruction into a control message according to a communication protocol of the vehicle and transmitting the control message to the simulation module;
and receiving the simulation data message returned by the simulation module and analyzing according to the communication protocol of the vehicle to obtain simulation data.
Optionally, the user instruction includes vehicle information of the vehicle to be simulated;
the simulation module comprises a simulation vehicle management module and a simulation vehicle data management module;
the step of simulating the running process of the vehicle by using the simulation module comprises the following steps:
acquiring a simulated vehicle from the simulated vehicle management module according to the vehicle information;
acquiring a preset protocol parameter rule from the simulated vehicle data management module;
and obtaining simulation data according to the preset protocol parameter rule and the data of the simulation vehicle during the vehicle operation.
Optionally, the step of obtaining the simulated vehicle from the simulated vehicle management module includes:
judging whether the vehicle to be simulated is a simulated vehicle existing in the simulated vehicle management module or not according to the vehicle information;
if so, calling the simulated vehicle from the simulated vehicle management module;
and otherwise, creating a simulated vehicle according to the vehicle information and storing the simulated vehicle.
Optionally, the method further comprises the following steps:
acquiring a real vehicle message and first data after data analysis of the real vehicle message;
sending the real vehicle message to the vehicle protocol diagnosis tool;
analyzing the real vehicle message by using the vehicle protocol diagnosis tool to obtain second data;
comparing the first data with the second data to determine whether the vehicle protocol diagnostic tool is malfunctioning.
In a second aspect, the embodiment of the present application provides a vehicle protocol diagnostic tool detection apparatus, where the vehicle protocol diagnostic tool is connected with a simulation module;
the vehicle protocol diagnostic tool detection apparatus includes:
the simulation data acquisition module is used for controlling the simulation module to simulate data of the vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
the data reading module is used for reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
and the fault judgment module is used for comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
In a third aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the vehicle protocol diagnostic tool detection method according to any one of the above items.
In a fourth aspect, the present application provides a vehicle diagnostic system, which includes a memory, a processor, and a computer program stored in the memory and executable by the processor, wherein the processor implements the steps of the vehicle protocol diagnostic tool detection method according to any one of the above items when executing the computer program.
In the embodiment of the application, simulation data are obtained by utilizing a simulation module to simulate the running process of a vehicle according to a preset protocol parameter rule; the simulation data of the simulation module is read by the vehicle protocol diagnosis tool to obtain read data, and the read data is compared with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault or not, so that a real vehicle is not required to be used for detection, and the detection cost is reduced.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a flow chart of a vehicle protocol diagnostic tool detection method in an exemplary embodiment of the invention;
fig. 2 is a schematic diagram of a vehicle protocol diagnostic tool detection apparatus according to an exemplary embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, belong to the scope of protection of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The vehicle protocol diagnostic tool according to the embodiment of the present application may be vehicle maintenance software, an automobile service instrument, or other devices that can be used for data interaction with a vehicle. The vehicle protocol diagnosis tool can be used for sending a data request signal and receiving and analyzing driving parameters returned by the vehicle so as to realize fault diagnosis of the vehicle.
In one embodiment, the simulation module is used for simulating the operation data of the vehicle and the electronic control unit of the vehicle, and the vehicle protocol diagnosis tool is connected with the simulation module.
As shown in fig. 1, an embodiment of the present application provides a vehicle protocol diagnostic tool detection method, including the following steps:
step S1: controlling the simulation module to simulate data of the vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
the preset protocol parameter rules can be used for simulating dynamic data of the vehicle in operation. In one embodiment, the vehicle comprises an electronic control unit, and the preset protocol parameter rule comprises data such as protocol parameters, change values of operation data and change rules contained in the electronic control unit; the operation data may be real vehicle data that is previously tested by a user on a real vehicle. In other embodiments, the preset protocol parameter rule may also be set according to the specific model and the actual operating condition of the vehicle to be simulated.
In one embodiment, the preset protocol parameter rule includes a change value and a change rule of the operation data;
the step of controlling the simulation module to simulate the data of the running of the vehicle comprises the following steps:
and controlling the simulation unit to change the change value according to the change rule to obtain simulation data.
Step S2: reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
the vehicle protocol diagnosis tool sends a data request to the simulation module, and the read data is obtained by analyzing the data returned by the simulation module according to the communication protocol of the vehicle.
In one embodiment, the step of reading the simulation data of the simulation module using the vehicle protocol diagnostic tool comprises:
acquiring a user instruction and a communication protocol of a vehicle;
packaging the user instruction into a control message according to a communication protocol of the vehicle and transmitting the control message to the simulation module;
and receiving the simulation data message returned by the simulation module and analyzing according to the communication protocol of the vehicle to obtain simulation data.
The user instruction comprises a data request instruction used for obtaining operation data of a certain part of the vehicle, the vehicle protocol diagnosis tool is used for packaging the user instruction according to a communication protocol of the vehicle and generating a control message used for transmission, and the simulation module responds to the user instruction and returns simulation data.
Step S3: and comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
In one embodiment, the vehicle protocol diagnostic tool may be determined to be malfunctioning by way of human judgment. In other embodiments, the read data may also be compared to the simulated data by a machine learning algorithm or a data analysis tool to determine if the vehicle protocol diagnostic tool is malfunctioning.
In the embodiment of the application, the user instruction input into the vehicle protocol diagnosis tool and the control message output by the vehicle protocol diagnosis tool are obtained, the simulation module is used for simulating the running process of the vehicle according to the control message to obtain the running data of the vehicle, and the running data is compared with the actually measured data to determine whether the vehicle protocol diagnosis tool has a fault or not, so that the real vehicle is not required to be used for detection, and the detection cost is reduced.
In one exemplary embodiment, the user instruction includes vehicle information of a vehicle to be simulated; the vehicle information includes, but is not limited to, information such as the brand and model of the vehicle to be simulated.
The simulation module comprises a simulation vehicle management module and a simulation vehicle data management module;
the step of simulating the running process of the vehicle by using the simulation module comprises the following steps:
acquiring a simulated vehicle from the simulated vehicle management module according to the vehicle information;
acquiring a preset protocol parameter rule from the simulated vehicle data management module;
and obtaining simulation data according to the preset protocol parameter rule and the data of the simulation vehicle during the vehicle operation.
Specifically, the step of obtaining a simulated vehicle from the simulated vehicle management module includes:
judging whether the vehicle to be simulated is a simulated vehicle existing in the simulated vehicle management module or not according to the vehicle information;
if so, calling the simulated vehicle from the simulated vehicle management module;
and otherwise, creating a simulated vehicle according to the vehicle information and storing the simulated vehicle.
Through vehicle information, judge whether treat the emulation car and do the emulation car that emulation car management module has, to existing emulation car, directly call this emulation car from emulation car management module, to new treat the emulation car, then establish emulation car model and save according to vehicle information, the next call of the emulation car of being convenient for improves the managerial efficiency of emulation car.
In one exemplary embodiment, the vehicle protocol diagnostic tool detection method further comprises the steps of:
acquiring a real vehicle message and first data after data analysis of the real vehicle message;
sending the real vehicle message to the vehicle protocol diagnosis tool;
analyzing the real vehicle message by using the vehicle protocol diagnosis tool to obtain second data;
comparing the first data with the second data to determine whether the vehicle protocol diagnostic tool is malfunctioning
The real vehicle message is used for simulating the transmission process of real vehicle real data, the real vehicle message is analyzed by the vehicle protocol diagnosis tool to obtain readable data, and the readable data is compared with the data analyzed by the original real vehicle message, so that whether the vehicle protocol diagnosis tool has protocol analysis abnormity or not is judged, and the defects of the vehicle protocol diagnosis tool can be found in advance and corrected in time.
As shown in fig. 2, an embodiment of the present application further provides a vehicle protocol diagnostic tool detection apparatus, where the vehicle protocol diagnostic tool is connected to the simulation module;
the vehicle protocol diagnostic tool detection apparatus includes:
the simulation data acquisition module 1 is used for controlling the simulation module to simulate data of a vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
the data reading module 2 is used for reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
and the fault judgment module 3 is used for comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
It should be noted that, when the vehicle protocol diagnostic tool detection apparatus provided in the foregoing embodiment executes the vehicle protocol diagnostic tool detection method, only the division of the above functional modules is taken as an example, and in practical applications, the above functions may be distributed by different functional modules according to needs, that is, the internal structure of the apparatus may be divided into different functional modules, so as to complete all or part of the functions described above. In addition, the vehicle protocol diagnostic tool detection device and the vehicle protocol diagnostic tool detection method provided by the above embodiments belong to the same concept, and the detailed implementation process thereof is shown in the method embodiments and will not be described herein again.
Embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the vehicle protocol diagnostic tool detection method as described in any one of the above.
The present invention may take the form of a computer program product embodied on one or more storage media including, but not limited to, disk storage, CD-ROM, optical storage, and the like, having program code embodied therein. Computer readable storage media, which include both non-transitory and non-transitory, removable and non-removable media, may implement any method or technology for storage of information. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of the storage medium of the computer include, but are not limited to: phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, may be used to store information that may be accessed by a computing device.
The embodiment of the application also provides a vehicle diagnostic system, which comprises a memory, a processor and a computer program stored in the memory and executable by the processor, wherein the processor implements the steps of the vehicle protocol diagnostic tool detection method according to any one of the above items when executing the computer program.
The vehicle protocol diagnosis tool detection method can be used for detecting data interaction faults of the vehicle protocol diagnosis tool and judging whether the vehicle protocol diagnosis tool has abnormal transmission or abnormal protocol analysis and the like, so that defects of the vehicle protocol diagnosis tool can be conveniently found in advance and corrected in time, the company cost is reduced, and the user experience is improved.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (9)
1. The vehicle protocol diagnostic tool detection method is characterized in that the vehicle protocol diagnostic tool is connected with a simulation module;
the vehicle protocol diagnostic tool detection method comprises the following steps:
controlling the simulation module to simulate data of the vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
and comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
2. The vehicle protocol diagnostic tool detection method of claim 1, wherein the preset protocol parameter rules include a change value and a change rule of operation data;
the step of controlling the simulation module to simulate the data of the running of the vehicle comprises the following steps:
and controlling the simulation unit to change the change value according to the change rule to obtain simulation data.
3. The vehicle protocol diagnostic tool detection method of claim 1, wherein reading the simulation data of the simulation module with the vehicle protocol diagnostic tool comprises:
acquiring a user instruction and a communication protocol of a vehicle;
packaging the user instruction into a control message according to a communication protocol of the vehicle and transmitting the control message to the simulation module;
and receiving the simulation data message returned by the simulation module and analyzing according to the communication protocol of the vehicle to obtain simulation data.
4. The vehicle protocol diagnostic tool detection method of claim 3, wherein the user instruction includes vehicle information of a vehicle to be simulated;
the simulation module comprises a simulation vehicle management module and a simulation vehicle data management module;
the step of simulating the running process of the vehicle by using the simulation module comprises the following steps:
acquiring a simulated vehicle from the simulated vehicle management module according to the vehicle information;
acquiring a preset protocol parameter rule from the simulated vehicle data management module;
and obtaining simulation data according to the preset protocol parameter rule and the data of the simulation vehicle during the vehicle operation.
5. The vehicle protocol diagnostic tool detection method of claim 4, wherein the step of obtaining a simulated vehicle from the simulated vehicle management module comprises:
judging whether the vehicle to be simulated is a simulated vehicle existing in the simulated vehicle management module or not according to the vehicle information;
if so, calling the simulated vehicle from the simulated vehicle management module;
and otherwise, creating a simulated vehicle according to the vehicle information and storing the simulated vehicle.
6. The vehicle protocol diagnostic tool detection method of claim 1, further comprising the steps of:
acquiring a real vehicle message and first data after data analysis of the real vehicle message;
sending the real vehicle message to the vehicle protocol diagnosis tool;
analyzing the real vehicle message by using the vehicle protocol diagnosis tool to obtain second data;
comparing the first data with the second data to determine whether the vehicle protocol diagnostic tool is malfunctioning.
7. The vehicle protocol diagnosis tool detection device is characterized in that the vehicle protocol diagnosis tool is connected with a simulation module;
the vehicle protocol diagnostic tool detection apparatus includes:
the simulation data acquisition module is used for controlling the simulation module to simulate data of the vehicle in operation according to a preset protocol parameter rule to obtain simulation data;
the data reading module is used for reading the simulation data of the simulation module by using the vehicle protocol diagnosis tool to obtain read data;
and the fault judgment module is used for comparing the read data with the simulation data to determine whether the vehicle protocol diagnosis tool has a fault.
8. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program when executed by a processor implements the steps of the vehicle protocol diagnostic tool detection method of any one of claims 1-6.
9. A vehicle diagnostic system characterized by: comprising a memory, a processor and a computer program stored in said memory and executable by said processor, said processor implementing the steps of the vehicle protocol diagnostic tool detection method according to any one of claims 1-6 when executing said computer program.
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| CN202011533165.7A CN112632702A (en) | 2020-12-22 | 2020-12-22 | Vehicle protocol diagnostic tool detection method and device |
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Cited By (1)
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| CN115933615A (en) * | 2023-01-03 | 2023-04-07 | 重庆长安汽车股份有限公司 | Vehicle controller testing method and device, electronic equipment and storage medium |
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