【作者】 孙社文；

【导师】 王聪；

【作者基本信息】 中国矿业大学（北京） ， 控制理论与控制工程， 2010， 博士

【摘要】 对电力线信道几种数学模型进行理论研究,利用Matlab仿真模拟出各种信道的发散图和眼图,直观地反映信道性能。采用了固定通信距离下的最差参数逼近方法,对实际电力线传输信道的低频特性进行实证研究。基于图论基础,建立了电网拓扑结构模型,提出了基于“小区”链式转发的访问域路由选择原理。改进了蚁群算法,并对基于“种子节点”的蚁群路由算法进行了仿真,验证了此模型能够显著减少蚁群算法耗时问题。首次提出一种全新的、采用LonWorks技术,LonTalk控制网络通讯协议的网络—N-WSN,并对系统的运行效率进行了地面试验。针对煤矿井下配电网络及其负载特点,提出了几种电力线信息传输策略,以改善电力线信道传输的性能。更多还原

【Abstract】 The thesis theoretically studies several mathematical models of power line channel, and uses Matlab simulation tools to simulate divergent diagram and eye diagram of various channles to directly reflect the performance of the channels. It uses the worst parameters approximation method in a fixed communication distance to conduct an empirical study on low-frequency characteristics of the actual power line transmission channel. It establishes the PLC network topology model based on the basic graph theory, and proposes access domain routing theory based on "communities" forwarding chain. By improving ant colony algorithm and using Matlab simulation in the ant colony routing algorithm based on the "seed node", it proves that the model can significantly reduce the re-calculation time with the ant colony algorithm. For the first time, it proposes a new Network-N-WSN with LonWorks technique and LonTalk Control Network Protocol. A ground test was conducted to test the efficiency of the system. Based on the characteristics of coal mine underground distribution network and its load, several power line information transmission strategies are proposed to improve the performance of power line channel transmission.更多还原