2023年第1期基于最小三角形算法的室内可见光三维定位方法Indoorvisiblelightthree-dimensionalpositioningmethodbasedonminimumtrianglealgorithmFANGZhijing,CHENYuan*,WANGJunjie,LINXingchen（ChangchunInstituteofOptics,FineMechanicsandPhysics,ChineseAcademyofSciences,Changchun130033,China）Abstract:Inordertofurtherimprovetheaccuracyofindoorvisiblelightthree-dimensionalpositioning,anindoorvisiblelightthree-dimensionalpositioningmethodbasedonminimumtrianglealgorithmisproposed.Inthismethod,theline-of-sightlinkmodelisadopted,andthepositioningterminalreceivesthelightintensitysignalcarryingthelight-emittingdiodepositioninfor-mation.Theminimumtrianglealgorithmandthereceivedsignalstrengthindicationmethodareusedtocalculatethethree-dimen-sionalpositioninformationofthereceiverintheroom,andthentheweightedcentroidalgorithmisintroducedtoreducetheim-pactofopticalpathocclusion.Thesimulationresultsshowthattheaveragepositioningerroroftheproposedpositioningmethodisabout4.35cmandtheaverageheighterrorisabout1.65cmintheindoorpositioningareaof5m×5m×3m.Thepositioningaccuracyisbetterthanthatofthetraditionalindoorvisiblelightthree-dimensionalpositioningmethod.Keywords:visiblelight,indoorthree-dimensionalpositioning,minimumtrianglealgorithm,weightedcentroidalgorithm方智敬，陈媛*，王俊杰，林星辰（中国科学院长春光学精密机械与物理研究所，长春130033）摘要：为进一步提高室内可见光三维定位的精度，提出了一种基于最小三角形算法的室内可见光三维定位方法。该方法采用视距链路模型，由定位终端接收携带发光二极管位置信息的光强信号，利用最小三角形算法和接收信号强度指示方法来计算接收机在室内的三维位置信息，再引入加权质心算法降低光路受遮挡所造成的影响。仿真结果表明：在室内5m×5m×3m的定位区域内，提出的定位方法平均定位误差约为4.35cm，平均高度误差约为1.65cm，定位精度优于传统的室内可见光三维定位方法。关键词：可见光；室内三维定位；最小三角形算法；质心加权算法中图分类号：TN929.1文献标志码：A文章编号：1002-5561（2023）01-0068-05DOI：10.13921/j.cnki.issn1002-5561.2023.01.012开放科学（资源服务）标识码（OSID）：引用本文：方智敬...
