基于混合免疫系统机理的无线传感网络故障检测算法

摘要

故障检测是无线传感网络运行中稳定可靠的关键技术。文中提出一种基于混合免疫系统机理的无线传感网络（ WSNs）故障检测算法。该算法利用修正的阈值与动态可调的可信度为基础来识别故障源，运用免疫算法，实现网络故障的检测、定位、隔离、修复，该算法也对网络寿命的周期、节点、平均能耗等方面进行仿真分析。实验表明：故障免疫修复算法提高了无线传感网络的稳定性与可靠性，并延长网络寿命。%Fault detection is the key technology of stable and reliable operation of wireless sensor networks .In this paper , a wireless sensor network (WSNs) fault detection algorithm based on hybrid immune system was proposed .The algorithm used the modified threshold and the dynamic adjustable reliability as the basis to identify the source of fault , used immune algorithm to a-chieve the detection , location, isolation and restoration work of network fault .The algorithm was for network life cycle , node, and the average energy consumption simulation analysis .The experiments show that the fault immune algorithm improves the stability and reliability of the wireless sensor network , and prolongs the network lifetime .