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室内激光雷达导航系统设计
引用本文:史风栋,刘文皓,汪鑫,丁娟,史屹君,修春波.室内激光雷达导航系统设计[J].红外与激光工程,2015,44(12):3570-3575.
作者姓名:史风栋  刘文皓  汪鑫  丁娟  史屹君  修春波
作者单位:1.天津工业大学 工程教学实习训练中心,天津 300387;
基金项目:国家自然科学基金(6120330);天津市应用基础与前沿计划(14JCYBJC18900)
摘    要:小型无人机和移动机器人技术迅速发展,对室内导航技术的要求越来越高,针对当前室内导航精度不高、导航设备比较复杂的问题,提出一种采用激光雷达定位和地磁传感器检测相结合的室内主动导航方法。该方法首先使用激光雷达扫描室内环境,用采集到的数据拟合出室内地图,根据目的地信息和室内的环境信息来规划行进的路线;然后在行进中使用激光雷达连续地扫描得到数据与地图数据进行比较,来确定所处的位置,同时使用地磁传感器取得行驶的方向,二者相结合判断是否在规划的路线上行驶,及时地对出现的偏差进行纠正;最后通过搜索RFID地标确定是否已经到达指定位置。仿真和实验的结果表明:所设计的室内激光雷达导航系统结构简单、可靠性高,能够较好地满足室内导航的要求。

关 键 词:激光雷达    室内导航    地磁传感器    RFID
收稿时间:2015-04-05

Design of indoor laser radar navigation system
Affiliation:1.Engineering Teaching Training Center,Tianjin Polytechnic University,Tianjin 300387,China;2.Tianjin Zhonghuan Innovation Science and Technology Co.,LTD,Tianjin 300190,China;3.Tianjin Jinhang Institute of Technical Physics,Tianjin 300308,China
Abstract:With the rapid development of micro aerial vehicle technology and mobile robots technology, the requirements for indoor navigation technology are becoming higher and higher, but navigation presence is low and equipment is relatively complex in indoor navigation system. To address this problem, an indoor active navigation method that combines laser radar positioning and geomagnetic sensors measurement was proposed. First, laser radar was used to scan the indoor environment, the map be constructed by collected data, the route be planed based on the destination information and the indoor environment information; and then the data which was obtained by laser radar continuously scanning environment was compared with the map data when the vehicle was traveling, the location was determined, direction of travel was obtained by geomagnetic sensor, whether the vehicle was on the right road was determined by the combination of position and direction of travel, the deviation will be corrected in time; last, whether arriving at designated location was determined by searching RFID landmarks. Simulation and experimental results show that the indoor laser radar navigation system is simple and the reliability is high, which meet the requirements of indoor navigation.
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