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浙江大学学报(工学版)
电气工程     
基于特征光源的三维室内定位技术
黄吉羊,孟濬,张燃
浙江大学 电气工程学院,浙江 杭州 310027
Three-dimensional indoor positioning technology based on characteristic light source
HUANG Ji yang,MENG Jun,ZHANG Ran
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要:

针对当前室内定位技术精度低、局限大、缺乏高度信息和抗干扰性差等问题,以特征光源为固定单元,球形采光装置为移动单元,基于对光信号的角度测定建立模型实现三维室内定位.球面采光模式突破了传统平面采光对光源位置的限制,实现了360°全方位采光,能够获得包含高度在内的三维位置信息|基于光的粒子性的定位方式避免了由于光的波动性引起的伪光源干扰,阵列化布局和优化算法提高了定位精度.Matlab仿真结果、实物实验结果及精度分析证实,利用常规的LED光源、光纤和光传感器,该定位技术能够在3 m高的房间内达到0.03 m左右的定位精度,实现了低成本下的高精度三维室内定位.

Abstract:

A three-dimensional indoor positioning technology based on characteristic light source and spherical lighting device was proposed in order to solve the following problems: low accuracy, lots of limitations, lack of height information and poor anti-jamming capability in indoor position system (IPS). The technology measures the angle of optical signal. Spherical lighting device can receive light in all direction and get height information compared with the flat mode. Pseudo-source interference caused by the wave nature will not be introduced with the use of the particle nature of light. Array layout and optimization algorithm can further improve the positioning accuracy. Both simulation experiment in Matlab and physical experiments were conducted. The experimental results and the analysis of accuracy confirmed that the positioning accuracy can be controlled within 0.03 m in a 3 m high room with conventional LED light source, optical fiber and optical sensor. The three-dimensional indoor positioning technology can achieve high accuracy at low cost.

出版日期: 2016-07-23
:  TP 391  
基金资助:

浙江省科技厅科技计划公益技术研究基金资助项目(20011C23097);浙江省自然科学基金资助项目(LY12F03023).

通讯作者: 孟濬,男,副教授. ORCID:0000-0002-7633-3624.     E-mail: junmeng@zju.edu.cn
作者简介: 黄吉羊(1991-),男,硕士生,从事移动医疗、智能家居的研究. ORCID:0000-0002-2822-6613. E-mail:21310164@zju.edu.cn
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引用本文:

黄吉羊,孟濬,张燃. 基于特征光源的三维室内定位技术[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.07.024.

HUANG Ji yang,MENG Jun,ZHANG Ran. Three-dimensional indoor positioning technology based on characteristic light source. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.07.024.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.07.024        http://www.zjujournals.com/eng/CN/Y2016/V50/I7/1393

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