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考虑电力线载波和ZigBee通信方式在路灯控制系统可靠性和实时性方面的不足,本文提出了一种面向路灯控制的长链式工业无线传感器网络系统。该系统采用时间同步方式解决无线传感器网络中隐藏终端的问题,同时通过可变半径动态路由的方法来适应外界环境对无线传感器网络通信质量和通信距离的影响,提高了网络的可靠性。在此基础上,本文进行了路灯节点控制器的硬件设计和软件设计。在实际道路上的测试结果表明,该系统的可靠性和实时性较现有的电力线载波和ZigBee通信方式的控制系统有明显提高。
Considering the shortcomings of the power line carrier and the ZigBee communication system in the reliability and real-time of the street lamp control system, this paper presents a long-chain industrial wireless sensor network system for street lamp control. The system uses time synchronization to solve the problem of hidden terminal in WSN. At the same time, the system adapts to the influence of external environment on the communication quality and communication distance of WSN through variable radius dynamic routing, and improves the reliability of the network. On this basis, this article has carried on the hardware design and the software design of the street lamp node controller. The test results on the actual road show that the system reliability and real-time than the existing power line carrier and ZigBee communication control system has significantly improved.