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基于微惯导与VLC的室内高精度定位技术研究 被引量:1

Research on Indoor High Precision Positioning Technology Based on Micro-Inertial Navigation System and VLC
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摘要 高精度室内定位在很多场合的实用性和必要性日趋显著,其应用前景广阔,已成为研究前沿。基于微惯导技术的室内定位,是目前最为精确和有效的一项定位技术,但由于微惯导测量组件存在不可避免的漂移现象,使其无法长时间独立用于目标的定位。在此背景下,提出了一种基于微惯导(Micro-Inertial Navigation System,Micro-INS)与可见光通信(VLC)系统相结合的定位方法。在该方法中,首先通过微惯导测量组件进行航位推算,然后利用获取的VLC信号对微惯导系统的位置信息进行校准,补偿微惯导系统的定位累积误差。定位实验结果表明,文章所提出的方法可有效地提高系统定位精度,实现室内的长时间精确定位。 4The practicality and necessity of high precision indoor positioning are becoming more and more obvious in many occasions,and it has become the research frontier due to its broad application prospect.As the most accurate and effective positioning technology,the microinertial navigation technology can not be used for long-term independence due to the unavoidable drift phenomena presented in measurement components.In this paper,apositioning method based on micro-inertia navigation and VLC system was proposed.In this method,the position estimation information of the micro-inertial navigation system is calibrated by using the acquired VLC signal to compensate the positioning and accumulation error of the micro-inertial navigation system.The experimental results show that the proposed method can improve the positioning accuracy of the system effectively and realize accurate long-time indoor positioning.
作者 曹家胜 徐熙平 施安存 孙悦 王一航 盖轶冰 CAO Jiasheng1 , XU Xiping1 , SHI Ancun2 , SUN Yue2 , WANG Yihang2 , GAI Yibing3 (1. School of Opto-Electronics Engin. , Changchun University of Science and Technoi. , Changchun 130022, CHN; 2. Institute of Semiconductors of the Chinese Academy of Sciences, Beijing 100083, CHN; 3. Institute of Beijing Micro-technol. , Beijing 100006, CHN)
出处 《半导体光电》 北大核心 2017年第6期862-867,共6页 Semiconductor Optoelectronics
基金 国家“973”计划项目(2013CB329204) 国家自然科学基金项目(61375083)
关键词 微惯导 室内定位 漂移现象 可见光通信 校准 micro-INS indoor positioning drift phenomenon VLC calibrate
作者简介 曹家胜(1991-),男,硕士研究生,主要从事光电检测技术及光通信方面的研究;;徐熙平(1969-),男,博士,教授,博士生导师,主要从事光电检测技术与质量控制方面的研究。E-mail:xxp@cust.edu.cn
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