分层混合蛛网电力线载波通信路由模型研究.pdf

Classified Index: : for the Master Degree in EngineeringRESEARCH ON HIERARCHICAL HYBRID SPIDERWEB ROUTING MODEL OF POWER LINE MUNICATIONCandidate:Wang WeiqiSupervisor:Prof. Liu XiaoshengAcademic Degree Applied for:Master of EngineeringSpecialty:Electrical EngineeringAffiliation:Dept. of Electrical EngineeringDate of Defence:July,2012Degree-Conferring-Institution:Harbin Institute of Technology哈尔滨工业大学工学硕士学位论文-I-摘要低压电力线载波通信技术作为最简便的通信方式之一,已在各个工业领域中被广泛关注。然而通信的不可靠性问题一直是制约电力线载波通信技术发展和普及应用的关键难题。低压电力线载波通信网络路由模型及相关中继算法已成为当今研究的热点,对于电力线通信产品的应用开发具有至关重要的意义。本文在参考了目前已研究的电力线载波通信路由算法的基础上,结合自然界圆网蜘蛛网的拓扑结构特点,提出了一种基于分层混合人工蜘蛛网结构的电力线通信路由模型设计方案。首先,本文对自然界蜘蛛网的抗毁性结构特点和其进化方式进行了分析,以圆网作为最具代表性的蜘蛛网拓扑类型,探究了其结构特点和具体功能。由此创建了具有普遍适用性的人工蜘蛛网结构定义。采用Markov模型对人工蜘蛛网结构进行可靠性分析,为后续研究奠定理论基础。其次,设计了基于分层混合蛛网路由模型结构的电力线载波通信路由通信协议和数据帧格式,详细论述了在电力线通信网络中分层混合人工蜘蛛网路由模型的组网算法与路由策略。接着,使用MATLAB软件分别对分簇组网算法和分层混合蛛网组网算法进行了仿真模拟,对比了二者的相似性和差异性。软件进行建模,对链路故障时的路由通信能力进行了比较。仿真结果表明:分层混合蛛网路由模型具有更好的链路连接能力与通信可靠性。最后,搭建了电力线载波通信实验平台。利用数量有限的载波实验模块,将传统分簇路由算法和所设计的分层混合蛛网路由算法进行了小范围模拟对比测试。测试结果印证了分层混合蛛网路由模型的有效性和可行性。关键词:电力线载波通信;人工蜘蛛网;分层式网络;组网算法;路由模型哈尔滨工业大学工学硕士学位论文-II-AbstractLow-voltage power line munication technology isone of the easiest means munication, it has causedwidespread concernin various industrial areas. However, the munication has greatly limitedthe developmentand applicationofpower line munication technology. The low-voltage powerline work routing model and relatedalgorithm has e a hot topic, which is quiteimportantfor on the power line munication routing algorithmwhichhas been studied, combined with the characteristics of spiderwebtopology, ahierarchicalhybridspiderweb routing municationhas been proposedin this st l y, t he characteristics of the spiderweb and its round spiderweb which was regarded asthe representative of allspiderweb topologieshas been studied a result, a universaldefinition of artificial spiderwebstrcturehas been propo