手机惯导与RFID的盲人导航系统设计与实现
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摘要
为了解决目前盲人自主出行困难的问题,结合惯性导航与RFID技术各自的优势和特点,提出一种基于手机惯性导航和RFID相结合的设计方案。该方案基于固定式RFID标签群,生成盲人路线图,将随身移动式RFID读卡器和个人智能手机相结合,完成盲人定位、路径规划和导航提醒。实验结果表明:该系统能够给盲人提供安全便捷的导航服务,有助于解决盲人自主出行问题。
To help the blind travel independently and conveniently, a design scheme is proposed by combining inertial navigation and radio-frequency identification(RFID) technology with their respective advantages and characteristics.The scheme, which is based on fixed RFID tags, can automatically generate the best route for the blind. With the help of a portable RFID reader installed in personal smartphones, the scheme can accomplish positioning, route planning, and voice prompting. The experimental results show that the system can provide a safe and convenient navigation service for the blind, thus solving their independent-traveling problems.
To help the blind travel independently and conveniently, a design scheme is proposed by combining inertial navigation and radio-frequency identification(RFID) technology with their respective advantages and characteristics.The scheme, which is based on fixed RFID tags, can automatically generate the best route for the blind. With the help of a portable RFID reader installed in personal smartphones, the scheme can accomplish positioning, route planning, and voice prompting. The experimental results show that the system can provide a safe and convenient navigation service for the blind, thus solving their independent-traveling problems.
引文
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[2]崔金琦,陶先平.基于RFID的校园导航系统的设计与实现[J].计算机科学,2015,42(12):92-94,119.CUI Jinqi,TAO Xianping.Design and implementation of RFID-based campus navigation system[J].Computer science,2015,42(12):92-94,119.
[3]谢磊,殷亚凤,陈曦,等.RFID数据管理:算法、协议与性能评测[J].计算机学报,2013,36(3):457-470.XIE Lei,YIN Yafeng,CHEN Xi,et al.RFID data management:algorithms,protocols and performance evaluation[J].Chinese journal of computers,2013,36(3):457-470.
[4]曹敏.基于DSP的高频远距离RFID读写器的研究与实现[D].济南:山东大学,2013.CAO Min.The research and implementation of the long range HF RFID reader based on DSP[D].Ji’nan:Shandong University,2013.
[5]张文杰.基于RFID和地磁场联合的室内定位技术研究[D].南京:南京邮电大学,2015.ZHANG Wenjie.Research on hybrid indoor positioning with RFID and magnetic field[D].Nanjing:Nanjing University of Posts and Telecommunications,2015.
[6]高佩,刘洪星,张朋,等.基于Android平台的盲人手机系统设计与开发[J].电脑知识与技术,2014,10(19):4447-4449,4459.GAO Pei,LIU Hongxing,ZHANG Peng,et al.Design and implementation of mobile phone system for the blind based on android[J].Computer knowledge and technology,2014,10(19):4447-4449,4459.
[7]万骏炜,曾庆化,陈磊江,等.行人惯性导航系统平台设计与实现[J].计算机应用与软件,2015,32(2):45-47,170.WAN Junwei,ZENG Qinghua,CHEN Leijiang,et al.Design and implementation of pedestrian inertial navigation system[J].Computer applications and software,2015,32(2):45-47,170.
[8]ERIC S.Navigation system for blind pedestrians and public transport users[J].I-com,2014,13(3):12-18.
[9]BARATI F,DELAVAR M R.Design and development of a mobile sensor based the blind assistance wayfinding system[J].International archives of the photogrammetry,remote sensing and spatial information sciences,2015,XL-1(W5):91-96.
[10]聂元祥.多功能导航盲杖[P].中国:203425209,2014-02-12.
[11]叶海波.基于智能手机的室内标签定位技术研究[D].南京:南京大学,2016.YE Haibo.Smartphone based indoor localization for symbolic position[D].Nanjing:Nanjing University,2016.
[12]邢珍珍.基于地磁传感器的室内导航解决方案[J].软件工程,2016,19(4):13-15.XING Zhenzhen.Indoor navigation solution based on geomagnetic sensor[J].Software engineering,2016,19(4):13-15.
[13]范荣双,王继周,房慎冲,等.室内地磁导航基准图生成方法及系统[P].中国:104807462,2015-07-29.
[14]郭才发,胡正东,张士峰,等.地磁导航综述[J].宇航学报,2009,30(4):1314-1319,1389.GUO Caifa,HU Zhengdong,ZHANG Shifeng,et al.Asurvey of geomagnetic navigation[J].Journal of astronautics,2009,30(4):1314-1319,1389.
[15]GALLAGHER T,WISE E,YAM H C,et al.Indoor navigation for people who are blind or vision impaired:where are we and where are we going?[J].Journal of location based services,2014,8(1):54-73.
[16]RIEHLE T H,ANDERSON S M,LICHTER P A,et al.Indoor magnetic navigation for the blind[C]//Proceedings of Annual International Conference of the IEEE Engineering in Medicine and Biology Society.San Diego,CA,USA,2012:1972.
[17]徐向军.惯性测量与航迹推算的室内定位方法[D].无锡:江南大学,2016.XU Xiangjun.The indoor location method based on inertial measurement and dead reckoning[D].Wuxi:Jiangnan University,2016.
[18]周婧,陈庙红,吴豪杰.基于惯性导航的平面航迹推算的研究[J].计算机科学,2017,44(6A):582-586.ZHOU Jing,CHEN Miaohong,WU Haojie.Research on plane dead reckoning based on inertial navigation system[J].Computer science,2017,44(6A):582-586.
[19]徐鼎,孟坤,李尚同.基于Android端的惯性导航算法研究[J].软件导刊,2017,16(4):35-37.XU Ding,MENG Kun,LI Shangtong.Research on inertial navigation algorithm based on Android[J].Software guide,2017,16(4):35-37.
[20]黄政,韩立新,肖艳.基于M5和DTW的计步方法设计[J].计算机学报,2017,40(08):1856-1871.HUANG Zheng,HAN Lixin,XIAO Yan.Step detection design approach based on M5 and DTW[J].Chinese journal of computers,2017,40(08):1856-1871.
[21]王海梅,周献中.一种限制搜索区域的最短路径改进算法[J].南京理工大学学报(自然科学版),2009,33(5):638-642.WANG Haimei,ZHOU Xianzhong.Improved shortest path algorithm for restricted searching area[J].Journal of Nanjing University of Science and Technology(natural science),2009,33(5):638-642.
[22]王亚文,汪西莉,曹菡,等.一种动态限制搜索区域的最短路径规划算法[J].计算机应用研究,2007,24(7):89-91.WANG Yawen,WANG Xili,CAO Han,et al.Shortest route planning algorithm within dynamic restricted searching area[J].Application research of computers,2007,24(7):89-91.
[23]石婷.基于Android的LBS应用研究[D].西安:西安电子科技大学,2014.SHI Ting.Research on application of LBS based on Android[D].Xi’an:Xidian University,2014.
[24]SATO D,OH U,NAITO K,et al.NavCog3:an evaluation of a smartphone-based blind indoor navigation assistant with semantic features in a large-scale environment[C]//The International ACM Sig Access Conference.Baltimore,MD,USA,2017:270-279.