通过使用近距离传感器和远红外热传感器阵列,提高蓝牙低能耗定位系统的性能
Vitomir Djaja-Josko1, Marcin Kolakowski1, Jacek Cichocki1
1Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, 00-661 Warsaw, Poland.
Sensors (Basel, Switzerland)
|February 26, 2025
概括
这项研究引入了一种混合定位系统,该系统结合了蓝牙低能 (BLE) 和红外 (IR) 传感器,以提高定位精度. 实验结果显示,这种综合方法可以显著减少定位错误,从而改善跟踪.
科学领域:
- 机器人和自动化 机器人和自动化
- 传感器融合式传感器
- 室内定位系统 室内定位系统
背景情况:
- 准确的室内定位仍然是许多应用程序的挑战.
- 像蓝牙低能耗 (BLE) 这样的现有系统在精度上有局限性.
- 红外 (IR) 传感器为补充空间数据提供了潜力.
研究的目的:
- 开发和评估一个混合定位方案,集成BLE和IR传感器.
- 通过融合来自不同类型传感器的数据来提高室内定位的准确性.
- 评估红外近距离和热阵列传感器在增强基于BLE的定位方面的有效性.
主要方法:
- 实现一个混合系统,将BLE与IR近距离 (VL53L5CX) 和热阵列 (MLX90640) 传感器相结合.
- 红外传感器的独立操作,提供距离和角度数据.
- 使用基于颗粒过器的算法,融合BLE和IR传感器数据.
- 拟议的混合本地化方案的实验验证.
主要成果:
- 红外传感器 (VL53L5CX,MLX90640) 能够以几度的平均精度进行角度估计.
- 混合系统显示,平均定位误差显著减少,约为几厘米.
- 成功融合了BLE和IR数据,改善了整体本地化性能.
结论:
- 结合BLE和IR传感器的混合定位方案比独立系统提供了更高的准确性.
- 红外传感器,特别是近距离和热阵列,是BLE的宝贵补充,用于精确的定位.
- 颗粒波器融合有效地将来自不同传感器的数据结合起来,以实现可靠的定位.
相关概念视频
Errors in Global Positioning System
32
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
32
Field Application of Global Positioning System
24
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
24


