| 引用本文: | 王艳,陈浩,赵洪山,王阳,陈子璇.网络模式下配电物联网载波通信匹配组网方法[J].电力自动化设备,2021,41(6): |
| WANG Yan,CHEN Hao,ZHAO Hongshan,WANG Yang,CHEN Zixuan.Matching networking method for carrier communication of distribution Internet of Things under network mode[J].Electric Power Automation Equipment,2021,41(6): |
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| 摘要: |
| 为进一步完善电力线载波通信技术在配电网中组网的灵活性及可靠性，结合拓扑实例，提出网络模式下配电物联网载波通信系统自适应匹配组网方法。构建配电网络链路通信质量矩阵，根据矩阵元素对网络中各通信节点进行区域网的划分及中继节点的选取，完成网络各通信节点的初步组网；在网络模式下采用混沌粒子群优化算法，依次对各区域网内部节点进行节点间的自适应阻抗匹配优化，根据匹配优化结果调整相应节点的阻抗匹配单元参数，以改善信道衰减特性，增大信道传输容量；在网络匹配完成后更新网络链路通信质量矩阵，对初步组网结果进行修正，在保证通信可靠性的同时减小传输延时，进而实现坚强可靠的组网。与传统蚁群路由算法相比，所提算法考虑了配电网的实际拓扑结构与信道特性，在组网的同时完成了网络中各通信节点间的匹配协调，使得中继节点的选取和链路的分配更合理，其通信容量大，传输延时小，通信更可靠。 |
| 关键词: 配电物联网 电力线载波通信 匹配组网 区域划分 阻抗匹配 组网修正 混沌粒子群优化算法 |
| DOI：10.16081/j.epae.202102028 |
| 分类号:TM73 |
| 基金项目:国家自然科学基金资助项目(51807063)；中央高校基本科研业务费专项资金资助项目(2019MS081) |
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| Matching networking method for carrier communication of distribution Internet of Things under network mode |
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WANG Yan, CHEN Hao, ZHAO Hongshan, WANG Yang, CHEN Zixuan
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School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China
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| Abstract: |
| In order to further improve the flexibility and reliability of power line carrier communication techno-logy when networking in distribution network, combined with the actual topology of distribution network, an adaptive matching networking method for carrier communication system of distribution Internet of Things under network mode is proposed. The matrix that reflects the quality of communication links in distribution network is constructed. According to matrix elements, a large complex distribution communication network is divided into several small matching networks and the relay nodes are selected to complete the preliminary networking of distribution network. Then, as for the inner nodes in each region, the chaotic particle swarm optimization algorithm is applied for adaptive impendence matching optimization in turn under network mode. According to the results of matching optimization, the parameters of impendence matching units are adjusted to improve the attenuation characteristics of channels and expand the transmission capacity of channels. Upon completing the matching of distribution network, the matrix that reflects the quality of communication links in distribution network is updated to revise the result of preliminary networking. The transmission delay is reduced while the communication reliability is guaranteed, so that realizing the strong and reliable networking. Compared with the traditional ant colony routing algorithm, the proposed algorithm takes the actual topology of the distribution network and the characteristics of channels into account. The matching and coordination of each communication node in distribution network is completed while networking. Based on this, the selection of relay nodes and the allocation of links are more reasonable, with large communication capacity, small transmission delay and more reliable communication. |
| Key words: distribution Internet of Things power line carrier communication matching networking region divi-sion impedance matching modification of networking chaotic particle swarm optimization algorithm |
