CN112261010A - Special equipment multi-protocol conversion system, terminal and readable storage medium - Google Patents
Special equipment multi-protocol conversion system, terminal and readable storage medium Download PDFInfo
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- CN112261010A CN112261010A CN202011050628.4A CN202011050628A CN112261010A CN 112261010 A CN112261010 A CN 112261010A CN 202011050628 A CN202011050628 A CN 202011050628A CN 112261010 A CN112261010 A CN 112261010A
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- 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
- H04L69/08—Protocols for interworking; Protocol conversion
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- 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
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- 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
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- 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
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
Abstract
The invention provides a multi-protocol conversion system, a terminal and a readable storage medium for special equipment.A received data source judgment module is used for receiving data information, judging a communication mode and storing the received communication mode into a data buffer partition module in a classified manner; the protocol processing module is used for analyzing the communication data of different types, analyzing the protocol type and extracting the data; the protocol conversion module is used for carrying out unified metering on the analyzed data and unifying the coding format; the protocol collection processing module is used for writing the converted data into the Ethernet and outputting the data to the buffer area. The method is based on the design and implementation of the special equipment multi-protocol conversion system, selects various communication modes, analyzes the special equipment multi-protocol conversion system process, establishes a special equipment multi-protocol conversion system network model by applying a Petri network model theory, analyzes and verifies the network accessibility, the boundedness and the safety, and realizes the research and development of the special equipment multi-protocol conversion system.
Description
Technical Field
The invention relates to the technical field of special equipment communication, in particular to a special equipment multi-protocol conversion system, a terminal and a readable storage medium.
Background
The special equipment is important basic equipment of national economy, and the safe and healthy operation of the special equipment is an important guarantee for the economic and social development. In the face of the development situation of intellectualization, large-scale and high-parameter of the special equipment, the traditional inspection and detection means mainly based on the regular inspection is forward to the health monitoring evolution based on the big data of the special equipment, and how to efficiently gather the big data of the special equipment is becoming the key point of the field development.
The existing special equipment heterogeneous data acquisition and aggregation has the starting points of equipment access, protocol conversion and the like, and in the aspect of equipment access, a traditional technology and a new generation technology such as advanced sensing, Internet of things, artificial intelligence, Internet, big data, cloud computing and the like are fused. For example, the view of intelligent networking of special equipment is provided in the prior art, health monitoring of the special equipment is realized through an additional sensor, and maintenance of the special equipment is also provided based on an intelligent terminal. In these aspects, information of the special device needs to be communicated and transmitted and processed, at present, in a communication process, based on different use environments and use requirements, multiple communication protocols coexist and are used, if effective conversion is not timely performed, communication is blocked, or normal data communication transmission cannot be realized, so that data processing on the special device is influenced. And when special equipment data communication is processed, a plurality of steps exist, multi-node communication exists in the communication flow, and if the communication is not smooth, or a certain node is deadlocked, the whole system cannot normally operate.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a special equipment multi-protocol conversion system, which comprises: the device comprises a received data source judgment module, a data buffer partitioning module, a protocol processing module, a protocol conversion module and a protocol collection processing module;
the received data source judging module is used for receiving the data information, judging the communication mode and storing the received communication mode into the data buffer partitioning module in a classified manner;
the data buffer partition module is used for storing the received data information in a classified manner and storing the data information in different storage areas;
the protocol processing module is used for analyzing the communication data of different types, analyzing the protocol type and extracting the data;
the protocol conversion module is used for carrying out unified metering on the analyzed data and unifying the coding format;
the protocol collection processing module is used for writing the converted data into the Ethernet and outputting the data to the buffer area.
It should be further noted that the received data source determining module is configured with an RS232 interface, an RS485 interface, and a CAN bus interface, and transmits the collected data to the storage areas corresponding to the data buffer partitioning modules, respectively.
It should be further noted that the protocol processing module is further configured to analyze the communication data of different types, and when the analysis is unsuccessful, execute a re-analysis program, and if the analysis is not successful after the preset number of times, generate analysis abnormal information and perform alarm prompting.
It should be further noted that, after the protocol conversion module reads data according to a corresponding protocol format, unifies the measurement units, unifies the coding formats, encrypts the data, and configures the headers of the ethernet protocol for the data, the protocol collection processing module writes the data into the ethernet output buffer to complete the protocol conversion.
And the protocol conversion module sets a write-in local storage link after finishing the unification of the data coding format, so as to realize the local backup of the data.
Further, it should be noted that the method further includes: a Petri network configuration module;
the Petri network configuration module is used for configuring the implementation modes executed by the received data source judgment module, the data buffer partitioning module, the protocol processing module, the protocol conversion module and the protocol collection processing module into a Petri network, configuring the execution actions of all the modules into execution nodes, and configuring transition actions among the execution nodes.
It should be further noted that the Petri net configuration module is further configured to configure a transition action of each execution node in the Petri net;
if the execution node has no transition action, the activity level of the execution node is L0A stage;
if an executing node has a transition t caused at least once, the activity level of the executing node is LkAnd (c) stage, k is 0,1, n.
The invention also provides a terminal for realizing the special equipment multi-protocol conversion system, which comprises: the memory is used for storing the computer program and the special equipment multi-protocol conversion system; and the processor is used for executing the computer program and the special equipment multi-protocol conversion system so as to realize the special equipment multi-protocol conversion system.
The invention also provides a readable storage medium with the special equipment multi-protocol conversion system, which is characterized in that the readable storage medium is stored with a computer program, and the computer program is executed by a processor to realize the special equipment multi-protocol conversion system.
According to the technical scheme, the invention has the following advantages:
the method is based on the design and implementation of the special equipment multi-protocol conversion system, selects various communication modes, analyzes the special equipment multi-protocol conversion system flow, establishes a special equipment multi-protocol conversion system network model by applying a Petri network model theory, analyzes and verifies the accessibility, the boundedness and the safety of the network, and realizes the design of the special equipment multi-protocol conversion system. In the communication process, based on different use environments and use requirements, a plurality of communication protocols are used in parallel, smooth communication is guaranteed, and data communication transmission is realized. And when the special equipment data communication is processed, a plurality of steps are synchronously executed, so that the smooth communication can be ensured, and the problem that the whole system cannot normally operate due to node deadlock is avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a diagram of a multi-protocol conversion system for a special equipment;
FIG. 2 is a flow chart of multi-protocol conversion of special equipment based on Petri network;
fig. 3 is a diagram of a petri net model for monitoring data uploading multi-protocol conversion.
Detailed Description
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the description of the embodiments of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The communication protocol related by the invention CAN be RS232, RS485, CAN bus, Ethernet and the like, so as to realize the monitoring communication mode of the special equipment, establish a protocol conversion model, use Petri network for verification and analysis and realize the multi-protocol conversion system of the special equipment.
The special equipment health monitoring comprises the uploading of running state data of the equipment and monitoring data of an external sensing device and the issuing of a control instruction, and data transmission is carried out in a communication mode.
Specifically, as shown in fig. 1, the multi-protocol conversion system includes: the system comprises a received data source judgment module 1, a data buffer partitioning module 2, a protocol processing module 3, a protocol conversion module 4 and a protocol collection processing module 5;
the received data source judging module 1 is used for receiving data information, judging a communication mode, and storing the received communication mode into the data buffer partitioning module 2 in a classified manner;
the received data source judgment module 1 is configured with an RS232 interface, an RS485 interface and a CAN bus interface, and respectively transmits the acquired data to the storage areas corresponding to the data buffer partition module 2.
The data buffer partition module 2 is used for storing the received data information in a classified manner and storing the data information in different storage areas;
the protocol processing module 3 is used for analyzing the communication data of different types, analyzing the protocol type and extracting the data;
and analyzing the communication data of different types, executing a secondary analysis program when the analysis is unsuccessful until the analysis is not successful after preset times, generating analysis abnormal information and carrying out alarm prompt.
The protocol conversion module 4 is used for carrying out unified metering on the analyzed data and unifying the coding format;
after the protocol conversion module 4 reads data according to a corresponding protocol format, unifies a metering unit, unifies a coding format, encrypts the data and configures an ethernet protocol header for the data, the protocol collection processing module 5 writes the data into an ethernet output buffer area to complete protocol conversion. And after the data coding format is unified, setting a write-in local storage link to realize local data backup.
The protocol collection processing module 5 is used for writing the converted data into the ethernet and outputting the data to the buffer area.
In the present invention, a system is configured to a Petri net, wherein the system further comprises: a Petri network configuration module 6; the Petri network configuration module 6 is used for configuring the implementation modes executed by the received data source judgment module 1, the data buffer partitioning module 2, the protocol processing module 3, the protocol conversion module 4 and the protocol collection processing module 5 into a Petri network, configuring the execution actions of the modules into execution nodes, and configuring transition actions among the execution nodes.
The Petri network configuration module 6 is also used for configuring the transition action of each execution node in the Petri network; if the execution node has no transition action, the activity level of the execution node is L0A stage; if an executing node has a transition t caused at least once, the activity level of the executing node is LkAnd (c) stage, k is 0,1, n.
Therefore, after each execution node of the system is configured, the system is executed based on the Petri network, the system executable or the smoothness degree of the operation process is verified, and the stable operation of the special equipment multi-protocol conversion system is ensured.
The specific embodiment of the multi-protocol conversion system for special equipment to be implemented in order to explain the present invention is described below.
In the multi-protocol conversion system of the special equipment, in the data uploading stage, each item of data respectively uploads the acquired data to corresponding input buffer areas through an RS232 interface, an RS485 interface and a CAN bus interface to carry out protocol conversion, so that the unification of a metering unit and data coding is realized, the data are packaged according to an Ethernet protocol format and are sent to an Ethernet output buffer area, and the uploading of the monitoring data of the special equipment is realized through the Ethernet interface. And in the control instruction issuing stage, the corresponding module of the system reads the data of the Ethernet input buffer area, performs data transcoding according to a target protocol format and then sends the data to the corresponding output buffer area to realize control instruction issuing.
As shown in fig. 2. After the system receives the interrupt signal, the system firstly judges the source of the received data according to the type of the interrupt signal, further reads the data of the input buffer area of the corresponding interface, and starts the corresponding protocol conversion process. In order to improve the reliability of received data, when the data of the input buffer area is read for the first time and is checked to be abnormal, a secondary reading link is set by a program, and if the data of the input buffer area is still checked to be abnormal in the secondary reading, abnormal reading information is generated and uploaded. After the program successfully reads the data uploaded by the RS485, RS232 and CAN bus channels, the data packet is read according to the corresponding protocol format, and the data packet is written into the Ethernet output buffer area after the data packet is subjected to metering unit unification, coding format unification, data encryption and Ethernet protocol header configuration, so that protocol conversion is completed. And after the data coding format is unified, the program sets a write-in local storage link to realize local data backup.
In the invention, based on the modeling analysis of the multi-protocol conversion of the Petri network, the Petri network can describe and analyze the system through the accessibility, the boundedness, the safety, the activity and the like of the Petri network. On the basis of analyzing the multi-protocol conversion process, a PIPE tool is used to build a Petri network model thereof as shown in FIG. 3, wherein the definitions of the library and the transition are shown in Table 1.
TABLE 1 monitoring data upload definition of places and transitions in Petri Net model
The analysis technology of the Petri network mainly comprises a matrix equation, a reachability tree, a reachability graph and the like, wherein the reachability graph can conveniently judge the activity of the network. And calculating by using a PIPE tool to obtain a reachability graph of the monitoring data uploading multi-protocol conversion Petri network model.
In the system of the invention, a transition sequence set L (M) in a Petri net0) If none of the transition sequences σ can trigger a transition t, the activity level of the transition t is L0Stage, i.e., the transition is "dead". If a transition t is initiated at least once in some transition sequence σ, the activity level of the transition t is level L1, i.e. the transition is "likely to initiate". If the activity level of each transition of a Petri net is LkThen the Petri net is called LkActivity (k ═ 0, 1).
The monitoring data uploading multi-protocol conversion system is active at the level L1, namely, in the monitoring data uploading stage, each link of the multi-protocol conversion system has the possibility of being started, and the system design target is met. In order to further verify the feasibility of system design, the system behavior characteristics are calculated and analyzed, so that the system is bounded, safe and free of deadlock, and meets the design requirements of the system.
According to the multi-protocol conversion process analysis of the special equipment, the system development and implementation are carried out, wherein the edge microprocessor is implemented by adopting AM3352, and the program is implemented on the basis of the development of a Linux embedded system. The acquisition and the convergence of multi-source heterogeneous data of the special equipment are realized.
Based on the multi-source heterogeneous data acquisition and convergence requirements in the health monitoring process of the special equipment, a multi-protocol conversion model is established by applying a Petri network theory for flow verification on the basis of analyzing the multi-protocol conversion flow of the special equipment, and finally the system is completed. In the design and implementation process of the special equipment multi-protocol conversion system, the Petri network provides support for protocol conversion flow verification and analysis, and has positive significance for improving the reliability of system design.
Based on the above system, the present invention also provides a terminal for implementing a multi-protocol conversion system for a special device, including: the memory is used for storing the computer program and the special equipment multi-protocol conversion system; and the processor is used for executing the computer program and the special equipment multi-protocol conversion system so as to realize the special equipment multi-protocol conversion system.
Based on the system, the invention also provides a readable storage medium with the special equipment multi-protocol conversion system, and the readable storage medium stores a computer program which is executed by the processor to realize the special equipment multi-protocol conversion system.
The terminal is a means and algorithmic steps for each of the examples described in connection with the embodiments disclosed herein, and may be embodied in electronic hardware, computer software, or combinations of both, and the components and steps of each example have been described generally in terms of their functionality in the foregoing description for clarity of understanding the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
Through the above description of the embodiments, those skilled in the art will readily understand that the special device multi-protocol conversion system described herein can be implemented by software, and can also be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the disclosed embodiment of the multiple protocol conversion system for special devices may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the indexing method according to the disclosed embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A special equipment multiprotocol conversion system, comprising: the device comprises a received data source judgment module, a data buffer partitioning module, a protocol processing module, a protocol conversion module and a protocol collection processing module;
the received data source judging module is used for receiving the data information, judging the communication mode and storing the received communication mode into the data buffer partitioning module in a classified manner;
the data buffer partition module is used for storing the received data information in a classified manner and storing the data information in different storage areas;
the protocol processing module is used for analyzing the communication data of different types, analyzing the protocol type and extracting the data;
the protocol conversion module is used for carrying out unified metering on the analyzed data and unifying the coding format;
the protocol collection processing module is used for writing the converted data into the Ethernet and outputting the data to the buffer area.
2. The appliance multi-protocol conversion system of claim 1,
the received data source judgment module is provided with an RS232 interface, an RS485 interface and a CAN bus interface, and transmits the acquired data to the storage areas corresponding to the data buffer partition modules respectively.
3. The appliance multi-protocol conversion system of claim 1,
the protocol processing module is also used for analyzing the communication data of different types, when the analysis is unsuccessful, the protocol processing module executes a secondary analysis program, and if the analysis is not successful after the preset times, the protocol processing module generates analysis abnormal information and carries out alarm prompt.
4. The appliance multi-protocol conversion system of claim 1,
the protocol conversion module reads data according to a corresponding protocol format, and after the data are subjected to measurement unit unification, coding format unification, data encryption and Ethernet protocol header configuration, the protocol collection processing module writes the data into an Ethernet output buffer area to complete protocol conversion;
and the protocol conversion module sets a write-in local storage link after finishing the unification of the data coding format, so as to realize the local backup of the data.
5. The appliance multi-protocol conversion system of claim 1,
further comprising: a Petri network configuration module;
the Petri network configuration module is used for configuring the implementation modes executed by the received data source judgment module, the data buffer partitioning module, the protocol processing module, the protocol conversion module and the protocol collection processing module into a Petri network, configuring the execution actions of all the modules into execution nodes, and configuring transition actions among the execution nodes.
6. The appliance multi-protocol conversion system of claim 5,
the Petri network configuration module is also used for configuring the transition action of each execution node in the Petri network;
if the execution node has no transition action, the activity level of the execution node is L0A stage;
if an executing node has a transition t caused at least once, the activity level of the executing node is LkAnd (c) stage, k is 0,1, n.
7. A terminal for realizing a special equipment multi-protocol conversion system is characterized by comprising:
the memory is used for storing the computer program and the special equipment multi-protocol conversion system;
a processor for executing the computer program and the special equipment multi-protocol conversion system to realize the special equipment multi-protocol conversion system according to any one of claims 1 to 6.
8. A readable storage medium having a special equipment multiprotocol conversion system, the readable storage medium having stored thereon a computer program for execution by a processor to implement the special equipment multiprotocol conversion system of any one of claims 1 to 6.
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