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CN-122027550-A - Multi-equipment joint communication method based on industrial Internet of things

CN122027550ACN 122027550 ACN122027550 ACN 122027550ACN-122027550-A

Abstract

The application discloses a multi-equipment joint communication method based on an industrial Internet of things, which comprises the steps of obtaining industrial equipment nodes, dividing areas according to grouping rules, carrying out area identification on the areas, constructing an equipment event association diagram, extracting a main communication line and an auxiliary communication line in the areas based on the equipment event association diagram, carrying out interactive switching on the main communication line and the auxiliary communication line according to interaction rules, collecting equipment communication logs, constructing a local equipment event association diagram in the areas, calculating equipment enhancement based on communication frequencies in the local equipment event association diagram, constructing a communication path according to parallel modes, merging interaction modes and split interaction modes, carrying out joint communication based on the communication path, reducing unnecessary global transmission through area division, improving communication efficiency, introducing multipath design of the main communication line and the auxiliary communication line, improving communication reliability through path redundancy and dynamic switching, dynamically adjusting the path according to loads, and improving resource utilization rate.

Inventors

  • YANG JIANHANG

Assignees

  • 福建腾网信息科技有限公司

Dates

Publication Date
20260512
Application Date
20260222

Claims (10)

  1. 1. The multi-equipment joint communication method based on the industrial Internet of things is characterized by comprising the following steps of: S101, acquiring industrial equipment nodes, dividing the industrial equipment nodes into areas according to grouping rules, and carrying out area identification on the divided areas, wherein the grouping rules comprise physical positions and functionalities; S102, connecting industrial equipment nodes with directed edges in an area based on the divided area and the industrial equipment nodes, and further constructing an equipment event correlation diagram, wherein a main-path communication line and an auxiliary-path communication line are extracted in the area based on the equipment event correlation diagram, the main-path communication line is a high-frequency communication path among equipment in the area, and the auxiliary-path communication line is a communication line which bears communication tasks when the main-path is congested; S103, performing interactive switching on the main communication line and the auxiliary communication line according to an interactive rule, wherein the interactive rule is used for calculating equipment enhancement and triggering interactive conditions, collecting a local equipment event association diagram in an equipment communication log construction area, and calculating equipment enhancement based on communication frequency in the local equipment event association diagram; S104, constructing a communication path according to the parallel mode, the combined interaction mode and the split interaction mode, and carrying out joint communication based on the communication path.
  2. 2. The multi-device joint communication method based on the industrial internet of things according to claim 1, wherein the trigger interaction condition comprises a priority path mapping condition and an interaction mode triggering condition, wherein for the priority path mapping condition, the high priority data is required to travel through a main communication line, the medium priority data is selected for transmission by a first auxiliary communication line, the low priority data is selected for transmission by a second auxiliary communication line, when the communication data delay of the main communication line exceeds a preset time threshold, the communication data delay of the main communication line is switched to the first auxiliary communication line, when the bandwidth utilization of the main communication line exceeds the preset bandwidth threshold, the split interaction mode is triggered, when the bandwidth utilization of the first auxiliary communication line or the second auxiliary communication line exceeds the preset bandwidth threshold, the merge interaction mode is triggered, and when the communication data is in a normal load condition, the parallel mode is used.
  3. 3. The multi-device joint communication method based on the industrial Internet of things according to claim 1, wherein the joint communication method further comprises cross-regional joint communication and multi-path hidden communication, and the cross-regional joint communication method comprises the following steps: s201, identifying adjacent areas and non-adjacent areas from the divided areas, constructing a cross-area network according to communication paths in the areas, the adjacent areas and the non-adjacent areas, identifying path modes in the current area, matching the path modes of the current area according to path matching rules, and connecting the current area with the adjacent areas or the non-adjacent areas based on matching results to form cross-area joint communication; s202, constructing a global equipment event association diagram according to the equipment event association diagram in the area, calculating cross-regional association degree weights based on the global equipment event association diagram, and scheduling cross-regional joint communication based on the cross-regional association degree weights.
  4. 4. The multi-device joint communication method based on the industrial Internet of things according to claim 3, wherein the step of identifying the adjacent areas is characterized in that the minimum distance is calculated by calculating the distance between the nearest vertexes of the two graphs, the minimum distance is calculated by using the Euclidean distance formula, a distance threshold is set, if the minimum distance is smaller than or equal to a preset distance threshold, the two areas are judged to be the adjacent areas, otherwise, the adjacent areas are not judged, and if the minimum distance threshold is not met, the two areas are judged to be the non-adjacent areas.
  5. 5. The multi-device joint communication method based on the industrial Internet of things according to claim 3, wherein the method for identifying the path mode in the current area is that when all traffic in the area is converged to a single high-bandwidth path, the combination mode is identified, when the traffic in the area is dispersed to a plurality of low-bandwidth paths, the split mode is identified, and when the traffic in the area is uniformly distributed to a plurality of equal-bandwidth paths, the parallel mode is identified.
  6. 6. The multi-device joint communication method based on the industrial Internet of things of claim 3, wherein the path matching rule is that a merging mode is matched with a splitting mode, the merging mode is matched with a parallel mode, and the splitting mode is matched with the merging mode.
  7. 7. The multi-device joint communication method based on industrial internet of things as set forth in claim 3, wherein the formula for calculating the cross-regional correlation weight is: , wherein, For cross-regional association weights, a priority or path selection basis for evaluating cross-regional communication, For the degree of association in an area, the association strength of devices in the same area, For the degree of matching of the path bandwidths, In order to provide a delay between the regions, The weight coefficient of the intra-area association degree is used for adjusting the influence proportion of the intra-area association degree to the inter-area association weight, The weight coefficient of the comprehensive index of the bandwidth matching degree and the delay is used for adjusting the influence proportion of the comprehensive index of the bandwidth matching degree and the delay on the cross-region association weight.
  8. 8. The multi-device joint communication method based on the industrial Internet of things according to claim 3, wherein the multi-path hidden communication comprises the steps of obtaining task metadata, classifying the task metadata into hidden data and camouflage data according to traffic, generating fragments according to background traffic of a transmission path by the hidden data, dispersing the generated fragments on a plurality of auxiliary paths by a splitting mode for transmission, and simultaneously injecting the camouflage data into a main communication line.
  9. 9. The multi-device joint communication method based on the industrial internet of things according to claim 8, wherein the hidden data is data with highest requirements on the transmitted concealment, so as to avoid being perceived by malicious monitoring or attackers, and the main function of the camouflage data is to provide a shelter for the hidden data.
  10. 10. The multi-device joint communication method based on the industrial Internet of things according to claim 8, wherein the method for transmitting the generated fragments to a plurality of auxiliary roads in a split mode is characterized in that fragments received on the auxiliary roads are interacted with background data packets inherent to the auxiliary roads, specifically, the sending time of hidden data fragments is consistent with the sending interval rule of the background data packets, and based on the size of the background data packets, the hidden data fragments generate data packets with the same size, so that the received fragments are interacted with the background data packets inherent to the auxiliary roads.

Description

Multi-equipment joint communication method based on industrial Internet of things Technical Field The invention relates to the technical field of the Internet of things, in particular to a multi-equipment combined communication method based on the industrial Internet of things. Background In the current 4.0 era of industry, the industrial internet of things (IIoT) is used as a key technology for promoting the transformation and upgrading of the manufacturing industry, and the production mode and management mode of the traditional industry are deeply changed. The industrial Internet of things realizes the data interaction and intelligent coordination among devices by tightly connecting various industrial devices, sensors, control systems and the like, and greatly improves the production efficiency, flexibility and reliability. However, with the continuous and deep application of the industrial internet of things, a series of problems exposed in the multi-device combined communication process gradually become bottlenecks for restricting the further development of the multi-device combined communication process. In the traditional industrial internet of things multi-device joint communication system, a centralized communication architecture is often adopted, and all devices directly exchange data with a central server. This architecture can be maintained in the case of a small number of devices and a low communication demand, but when the device size is large and the amount of communication data is increased, the efficiency of global communication is drastically reduced. On one hand, the central server becomes a communication bottleneck, a large number of data requests of the devices cause the increase of server processing delay and even congestion phenomenon, on the other hand, in the global communication mode, all data are transferred through the central server, so that unnecessary transmission delay is increased, the overall communication efficiency is reduced, and in the traditional communication method, the communication among the devices often depends on a single path. Once the path is interrupted for network failure, equipment damage, or jamming, the entire communication system is at risk of paralysis. Particularly in an industrial production environment, communication interruption can cause serious consequences such as production line stagnation, equipment out-of-control and the like, and huge economic loss is brought to enterprises. Therefore, how to improve redundancy and reliability of the communication path becomes a problem to be solved in the multi-device combined communication of the industrial internet of things. Disclosure of Invention The application provides a multi-equipment joint communication method based on industrial Internet of things, which is characterized in that global communication is localized through regional division, unnecessary global transmission is reduced, communication efficiency is improved, multi-path design of a main path and an auxiliary path is introduced, communication reliability is improved through path redundancy and dynamic switching, the auxiliary path supports parallel transmission, combined transmission and splitting modes, paths can be dynamically adjusted according to loads, and resource utilization rate is improved. The application provides a multi-equipment joint communication method based on industrial Internet of things, which comprises the following steps: S101, acquiring industrial equipment nodes, dividing the industrial equipment nodes into areas according to grouping rules, and carrying out area identification on the divided areas, wherein the grouping rules comprise physical positions and functionalities; S102, connecting industrial equipment nodes with directed edges in an area based on the divided area and the industrial equipment nodes, and further constructing an equipment event correlation diagram, wherein a main-path communication line and an auxiliary-path communication line are extracted in the area based on the equipment event correlation diagram, the main-path communication line is a high-frequency communication path among equipment in the area, and the auxiliary-path communication line is a communication line which bears communication tasks when the main-path is congested; S103, performing interactive switching on the main communication line and the auxiliary communication line according to an interactive rule, wherein the interactive rule is used for calculating equipment enhancement and triggering interactive conditions, collecting a local equipment event association diagram in an equipment communication log construction area, and calculating equipment enhancement based on communication frequency in the local equipment event association diagram; S104, constructing a communication path according to the parallel mode, the combined interaction mode and the split interaction mode, and carrying out joint communication based on the communic