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基于位姿评估的无线传感器网络自主移动节点定位技术 被引量：10

A Novel Localization Algorithm for Mobile Sensor Node
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摘要 本文在研究自主移动节点运动特性的基础上,提出一种基于位姿评估技术的自主移动节点定位算法.该算法适用于可以获取速度信息以及具有射频定位功能的移动节点.该算法利用移动节点速度信息计算相对定位轨迹;然后对相对定位轨迹进行平移,旋转变换,使变换后的相对定位轨迹与射频定位轨迹的结果差别最小来修正累积误差;最后从修正后相对定位轨迹上获取最终定位结果.仿真实验结果表明,所提出的算法在参数取值合理的条件下,能够有效地提高移动节点定位精度. Mobile wireless sensors need to know their locations in many control and monitoring applications. A novel localization algorithm based on Location and Attitude Estimation（LAE）for mobile sensor nodes that can acquire the velocity information is proposed in this paper. Firstly, the relative localization track（RLT）, which reflects the shape of true track, is obtained using the velocity information. Then the cumulative error of RLT is corrected while the global optimum solution is obtained by minimizing the difference between RLT and radio localization track. Finally, a more accurate localization result presents itself from the corrected RLT. Simulation results show the performances of our methods in term of accuracy and determinate the parameter the more adapted related to the network configurations.
作者 陈桂忠 董利达
机构地区 浙江大学电子电路与信息系统研究所
出处 《电子学报》 EI CAS CSCD 北大核心 2008年第12期2428-2432,共5页 Acta Electronica Sinica
基金 国家自然科学基金(No.60503027) 十一五国家863高技术研究发展计划(No.2006AA040309) 浙江省重点科技计划项目(No.2007C21046)
关键词 无线传感器网络 移动节点 位姿评估 节点定位 wireless sensor networks mobile node location and attitude estimation（LAE） node localization
分类号 TP373 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献11

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二级参考文献6

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共引文献47

同被引文献101

  • 1王福豹,史龙,任丰原.无线传感器网络中的自身定位系统和算法[J].软件学报,2005,16(5):857-868. 被引量：672
  • 2王雪,王晟,马俊杰.分布式无线传感网络的协作目标跟踪策略[J].电子学报,2007,35(5):942-945. 被引量：4
  • 3赵欢,冯颖,罗娟,杨科华.无线传感器网络的移动节点定位算法研究[J].湖南大学学报（自然科学版）,2007,34(8):74-77. 被引量：9
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引证文献10

二级引证文献49

电子学报
2008年 第12期

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