摘要
设计了面向目标跟踪的声学传感器网络,并进行了声源定位实验.在实验结果基础上,针对传感器的布局对目标观测精度的影响,对面向目标跟踪的传感器网络布局问题进行了深入研究,改进了已有传感器感知模型,提出了涉及目标的虚拟力算法,使得可移动传感器能根据目标位置和重要性程度自主地调整网络布局,从而优化目标跟踪结果.仿真实验表明,上述策略可有效改善传感器网络覆盖率和目标探测概率.
The article focuses on the impact of sensor deployment on precision of object observation,which is based on the experimental results of acoustic source localization and tracking using acoustic sensor array.We investigated the deployment of sensor networks for target tracking,improved the existing sensor detecting model and introduced the target involved virtual force algorithm(TIVFA),which could make the mobile sensor nodes adjust their positions according to the targets' positions and importance,optimizing the tracking results.The simulation indicates this algorithm can efficiently improve sensor network coverage and target detection accuracy.
出处
《传感技术学报》
CAS
CSCD
北大核心
2007年第12期2622-2630,共9页
Chinese Journal of Sensors and Actuators
基金
国家自然科学基金资助(60603025
60503018)
973课题资助(2006CB303000)
国家科技攻关计划项目资助(2006BAH02A01)
中国博士后基金资助(20060401039
20060400316)
浙江省自然科学基金资助(Y105463)
关键词
传感器网络
虚拟力
布局
声源定位
目标跟踪
sensor network
virtual force
deployment
acoustic source localization
target tracking
