工业环境下的飞行时间无线室内导航系统

Maurizio Rea, Héctor Cordobés, D. Giustiniano
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引用次数: 6

摘要

我们推出了基于飞行时间的无线室内导航系统TWINS,该系统可以近乎实时地估计配备WiFi的商用现货(COTS)设备的位置。TWINS使用COTS WiFi接入点(ap),不需要访问移动设备上的任何惯性传感器。我们研究了TWINS在恶劣环境中的性能,受到金属物体存在的强烈影响。该场景可以被认为是工业室内环境的代表,开放空间被金属障碍物包围。实验结果表明,该系统可以同时定位四个移动机器人,中值误差在1.8 ~ 3.8 m之间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Time-of-flight Wireless Indoor Navigation System for Industrial Environment
We introduce TWINS, Time-of-flight based Wireless Indoor Navigation System, that estimates in near real-time the position of commercial off-the-shelf (COTS) devices equipped with WiFi. TWINS uses COTS WiFi Access Points (APs) and it does not require access to any inertial sensors on the mobile devices. We study the performance of TWINS in a harsh environment, strongly affected by the presence of metallic objects. The scenario can be considered representative of an industrial indoor environment with open spaces surrounded by metal obstacles. We experimentally show that our system can localize four mobile robots tracked together, with median error between 1.8 and 3.8 m.
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