控制与决策
控製與決策
공제여결책
CONTROL AND DECISION
2013年
6期
899-903
,共5页
刘志新%刘强%袁亚洲%关新平
劉誌新%劉彊%袁亞洲%關新平
류지신%류강%원아주%관신평
无线定位%贝叶斯估计%虚拟力导向算法%遗传算法%定位精度
無線定位%貝葉斯估計%虛擬力導嚮算法%遺傳算法%定位精度
무선정위%패협사고계%허의력도향산법%유전산법%정위정도
wireless location%Bayesian estimation%algorithm of virtual force%genetic algorithm%location precision
针对目前无线定位算法普遍存在的低精度问题提出一种新的定位及校正方法.首先利用贝叶斯估计法对多传感器传回的测量数据进行融合,初步确定各无线传感节点的所在位置;然后利用虚拟力导向方法对节点局部校正,利用混合遗传算法对节点全局校正.仿真结果表明,所提出方法与其他基于测距的算法相比,定位精度大大提高.
針對目前無線定位算法普遍存在的低精度問題提齣一種新的定位及校正方法.首先利用貝葉斯估計法對多傳感器傳迴的測量數據進行融閤,初步確定各無線傳感節點的所在位置;然後利用虛擬力導嚮方法對節點跼部校正,利用混閤遺傳算法對節點全跼校正.倣真結果錶明,所提齣方法與其他基于測距的算法相比,定位精度大大提高.
침대목전무선정위산법보편존재적저정도문제제출일충신적정위급교정방법.수선이용패협사고계법대다전감기전회적측량수거진행융합,초보학정각무선전감절점적소재위치;연후이용허의력도향방법대절점국부교정,이용혼합유전산법대절점전국교정.방진결과표명,소제출방법여기타기우측거적산법상비,정위정도대대제고.
@@@@A new location and correction method for the location algorithm of wireless sensor networks is proposed, which aims at conquering the general drawback of low location precision. Data fusion is done firstly based on Bayesian estimation, and the approximate location of nodes is gained. The virtual force method is used to correct the location of nodes in partial, and the process of global correction based on hybrid genetic algorithm is carried out further. The simulation results show that, compared with other algorithm based on range measurement, the location precision is improved effectively.
