CN114117798A - Automatic interface model generation method and system based on matlab - Google Patents

Automatic interface model generation method and system based on matlab Download PDF

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Publication number
CN114117798A
CN114117798A CN202111435175.1A CN202111435175A CN114117798A CN 114117798 A CN114117798 A CN 114117798A CN 202111435175 A CN202111435175 A CN 202111435175A CN 114117798 A CN114117798 A CN 114117798A
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data
signals
matlab
signal
ecu
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CN114117798B (en
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张正萍
张雪琳
刘杰
谢晶晶
黄大飞
彭江
刘小飞
王俊林
孟天
兰军明
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00Handling natural language data
    • G06F40/10Text processing
    • G06F40/166Editing, e.g. inserting or deleting
    • G06F40/186Templates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215Controller Area Network CAN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40234Local Interconnect Network LIN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40267Bus for use in transportation systems
    • H04L2012/40273Bus for use in transportation systems the transportation system being a vehicle

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Geometry (AREA)
  • Evolutionary Computation (AREA)
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  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
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  • Audiology, Speech & Language Pathology (AREA)
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  • General Health & Medical Sciences (AREA)
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Abstract

The invention relates to the technical field of computers, in particular to a method and a system for generating an automatic interface model based on matlab, wherein the method for generating the automatic interface model based on matlab comprises the following steps: s1, establishing connection between the matlab script and the automobile interface software model, searching and identifying data according to the preset data type of the matlab script to obtain target data, S2, copying the preset target data of the matlab script, and temporarily storing the target data in a structural body mode. According to the method, software for completing thousands of interface signals in one version only needs a few minutes, the development period is greatly shortened, and the problem of signal transmission dislocation which is easy to make mistakes in the development stage is completely avoided because the system works according to the preset rule.

Description

Automatic interface model generation method and system based on matlab
Technical Field
The invention relates to the technical field of computers, in particular to an automatic interface model generation method and system based on matlab.
Background
The automobile ECU interface software model is mainly responsible for receiving hard wire signals, CAN signals, LIN signals, storage signals and other fixed template management data which need to be transmitted to application layer software in bottom layer software, and performing operations such as precision, deviation, limitation and the like on the bottom layer signals. At present, interface software model mostly leans on the engineer to build by oneself manually, because interface signal is numerous, leads to the engineer to need to spend a lot of efforts just can accomplish, and very easily appears the problem of line error, leads to the signal transmission dislocation.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic interface model generation method and system based on matlab, which can solve the problems that the manual interface software model building workload is large and the signal connection line is easy to be misplaced.
In order to achieve the above purpose, the invention provides the following technical scheme:
an automatic interface model generation method based on matlab comprises the following steps:
s1, establishing connection between the matlab script and the automobile interface software model, and searching and identifying data according to the preset data type of the matlab script to obtain target data;
s2, copying target data preset by the matlab script, and temporarily storing the target data in a structural body mode;
s3, extracting the data signals in the target data temporarily stored in the step S2, and managing by adopting a template table preset by matlab scripts;
s4, completing the work of adding a basic calculation model, changing the appearance, changing the position, changing the name and setting parameters by the matlab script through data signals;
s5, calling matlab script commands according to the data signals, and connecting the generated basic computing models;
and S6, dividing the data in the template table according to the function blocks of the basic calculation model, and generating respective library models by calling matlab script commands and packaging.
Further, in step S2, the preset target data of the matlab script includes: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
The method automatically generates the interface software model by automatically reading the information of ECU CAN protocol, automobile ECU LIN protocol, ECU hardware, faults, data streams and the like managed according to the preset template table and calling the command of matlab script according to the interface signal processing rule. According to the method, software for completing thousands of interface signals in one version only needs a few minutes, the development period is greatly shortened, and the problem of signal transmission dislocation which is easy to make mistakes in the development stage is completely avoided because the method works according to the preset rule.
Further, in step S3, the data signal includes a CAN signal obtained from a CAN protocol of the vehicle ECU and a LIN signal obtained from a LIN protocol of the vehicle ECU; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
Further, in step S3, the preset template table management content includes an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal, and a storage signal.
Further, in step S6, the function blocks include a CAN signal, a LIN signal, an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal, and a storage signal.
An automatic interface model generation system based on matlab comprises
The connection module is used for establishing connection with the automobile interface software model and transmitting data;
the data extraction module is used for searching, identifying and copying preset target data and extracting fixed template management data and data signals in the target data;
the basic calculation model establishing module is used for completing the work of adding, appearance changing, position changing, name changing and parameter setting of the basic calculation model;
and the model base establishing module is used for completing the connection between the basic calculation models according to the data signals, dividing and packaging the data in the template table and generating respective base models.
Further, the target data includes: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
Further, the data signal comprises a CAN signal obtained from a CAN protocol of the automobile ECU and an LIN signal obtained from an LIN protocol of the automobile ECU; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
Further, the preset template table management content comprises an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal and a storage signal.
Further, the functional blocks are divided according to CAN signals, LIN signals, ECU hardware signals, fault signals, data stream signals, IO control signals, routine control signals and storage signals.
Compared with the prior art, the invention has the beneficial effects that: the method automatically generates the interface software model by automatically reading the information of ECU CAN protocol of the automobile, ECU hardware, faults, data streams and the like managed according to the fixed template and calling the command of matlab script according to the interface signal processing rule. According to the method, software for completing thousands of interface signals in one version only needs a few minutes, the development period is greatly shortened, and the problem of signal transmission dislocation which is easy to make mistakes in the development stage is completely avoided because the method works according to the preset rule.
Description of the drawings:
fig. 1 is a schematic workflow diagram of an ECU CAN protocol for an automobile in the embodiment.
Detailed Description
The present invention will be described in detail with reference to the following examples and embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
An automatic interface model generation method based on matlab comprises the following steps:
s1, establishing connection between the matlab script and the automobile interface software model, and searching and identifying data according to the preset data type of the matlab script to obtain target data;
s2, copying target data preset by the matlab script, and temporarily storing the target data in a structural body mode;
s3, extracting the data signals in the target data temporarily stored in the step S2, and managing by adopting a template table preset by matlab scripts;
s4, completing the work of adding a basic calculation model, changing the appearance, changing the position, changing the name and setting parameters by the matlab script through data signals; the basic modules of the matlab script function can be added to the basic calculation model, the appearance is changed, the position is changed, the name is changed, and the parameter setting is carried out, or the corresponding work can be realized through the codes.
In step S3, the worker can create a corresponding and independent software model as required by editing the set template table.
S5, calling matlab script commands according to the data signals, and connecting the generated basic computing models;
and S6, dividing the data in the template table according to the function blocks of the basic calculation model, and generating respective library models by calling matlab script commands and packaging.
Specifically, in step S2, the preset target data of the matlab script includes: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
The method automatically generates the interface software model by automatically reading the information of ECU CAN protocol, automobile ECU LIN protocol, ECU hardware, faults, data streams and the like managed according to the preset template table and calling the command of matlab script according to the interface signal processing rule. According to the method, software for completing thousands of interface signals in one version only needs a few minutes, the development period is greatly shortened, and the problem of signal transmission dislocation which is easy to make mistakes in the development stage is completely avoided because the method works according to the preset rule.
Specifically, in step S3, the data signal includes a CAN signal obtained from the CAN protocol of the vehicle ECU and a LIN signal obtained from the LIN protocol of the vehicle ECU; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
The staff CAN edit the matlab script according to the requirements, select all or any combination of CAN signals and LIN signals to complete the adding, appearance changing, position changing, name changing and parameter setting of the basic calculation model, and CAN also set the designated parameters of the basic calculation model.
Specifically, in step S3, the preset template table management content includes an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal, and a storage signal.
Specifically, in step S6, the function block includes a CAN signal, a LIN signal, an ECU hardware signal, a fault signal, a data stream signal, an IO control signal, a routine control signal, and a storage signal.
An automatic interface model generation system based on matlab comprises
The connection module is used for establishing connection with the automobile interface software model and transmitting data;
the data extraction module is used for searching, identifying and copying preset target data and extracting fixed template management data and data signals in the target data;
the basic calculation model establishing module is used for completing the work of adding, appearance changing, position changing, name changing and parameter setting of the basic calculation model;
and the model base establishing module is used for completing the connection between the basic calculation models according to the data signals, dividing and packaging the data in the template table and generating respective base models.
Through the system, the full-automatic interface signal building with the automobile interface software model can be realized, the traditional manual building by an engineer is replaced, the efficiency is greatly improved, the time is saved, and meanwhile, the problem that the connection error is easy to occur due to manual building is avoided.
Specifically, the target data includes: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
Specifically, the data signal comprises a CAN signal obtained from a CAN protocol of the automobile ECU and an LIN signal obtained from an LIN protocol of the automobile ECU; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
The system selects all or any combination of CAN signals and LIN signals to complete the adding, appearance changing, position changing, name changing and parameter setting of the basic calculation model by the generation method, and CAN also set the designated parameters of the basic calculation model.
Specifically, the preset template table management content comprises an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal and a storage signal.
Specifically, the functional blocks are divided according to CAN signals, LIN signals, ECU hardware signals, fault signals, data stream signals, IO control signals, routine control signals and storage signals.
The system automatically generates an interface software model by automatically reading information such as an automobile ECU CAN protocol, an automobile ECU LIN protocol, ECU hardware, faults, data streams and the like managed according to a preset template table and calling a matlab script command according to an interface signal processing rule.
The method can replace the traditional manual construction mode, reduce project processes and avoid the problem of unnecessary connection errors.

Claims (10)

1. An automatic interface model generation method based on matlab is characterized by comprising the following steps:
s1, establishing connection between the matlab script and the automobile interface software model, and searching and identifying data according to the preset data type of the matlab script to obtain target data;
s2, copying target data preset by the matlab script, and temporarily storing the target data in a structural body mode;
s3, extracting the data signals in the target data temporarily stored in the step S2, and managing by adopting a template table preset by matlab scripts;
s4, completing the work of adding a basic calculation model, changing the appearance, changing the position, changing the name and setting parameters by the matlab script through data signals;
s5, calling matlab script commands according to the data signals, and connecting the generated basic computing models;
and S6, dividing the data in the template table according to the function blocks of the basic calculation model, and generating respective library models by calling matlab script commands and packaging.
2. The method for generating an automatic interface model based on matlab according to claim 1, wherein in step S2, the preset target data of matlab script includes: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
3. The matlab-based automatic interface model generation method according to claim 2, wherein in step S3, the data signal includes a CAN signal obtained from a car ECU CAN protocol and a LIN signal obtained from a car ECU LIN protocol; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
4. The method according to claim 1, wherein in step S3, the preset template table management content includes ECU hardware signals, fault signals, data flow signals, IO control signals, routine control signals, and storage signals.
5. The matlab-based automatic interface model generation method of claim 1, wherein in the step S6, the function blocks comprise a CAN signal, a LIN signal, an ECU hardware signal, a fault signal, a data flow signal, an IO control signal, a routine control signal and a storage signal.
6. An automatic interface model generation system based on matlab is characterized by comprising
The connection module is used for establishing connection with the automobile interface software model and transmitting data;
the data extraction module is used for searching, identifying and copying preset target data and extracting fixed template management data and data signals in the target data;
the basic calculation model establishing module is used for completing the work of adding, appearance changing, position changing, name changing and parameter setting of the basic calculation model;
and the model base establishing module is used for completing the connection between the basic calculation models according to the data signals, dividing and packaging the data in the template table and generating respective base models.
7. The matlab-based automatic interface model generation system of claim 6, wherein the target data comprises: data provided by the ECU CAN protocol of the vehicle and data provided by the ECU LIN protocol of the vehicle.
8. The matlab-based automatic interface model generation system of claim 7, wherein the data signals comprise CAN signals obtained from a vehicle ECU CAN protocol and LIN signals obtained from a vehicle ECU LIN protocol; the CAN signal and the LIN signal respectively comprise one or any combination of corresponding message ID, signal name, data type, length, precision, offset, upper limit value, lower limit value, period, sender information and receiver information.
9. The matlab-based automatic interface model generation system of claim 6, wherein the predefined template table management contents comprise ECU hardware signals, fault signals, data stream signals, IO control signals, routine control signals and storage signals.
10. The matlab-based automatic interface model generation system of claim 6, wherein the functional blocks are divided according to CAN signals, LIN signals, ECU hardware signals, fault signals, data stream signals, IO control signals, routine control signals, and storage signals.
CN202111435175.1A 2021-11-29 Automatic interface model generation method and system based on matlab CN114117798B (en)

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