在动态环境中基于指纹的高精度和实时的持续学习定位系统
Hongxiu Zhao1, Wafa Njima1, Xun Zhang1
1Department of Telecommunication Engineering, Institut Supérieur d'Electronique de Paris (ISEP), 92130 Paris, France.
Sensors (Basel, Switzerland)
|March 17, 2025
概括
本研究介绍了一种持续学习 (CL) 系统,用于在动态环境中提高本地化准确性. 该CL方法提高了新旧数据的准确性,克服了转移学习 (TL) 和灾难性遗忘的局限性.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 机器学习 机器学习
- 无线传感器网络 无线传感器网络
背景情况:
- 由于过时的数据库,定位准确性在动态环境下下降.
- 传统的转移学习 (TL) 方法与灾难性遗忘作斗争,在学习新数据时,在以前的数据上失去性能.
研究的目的:
- 提出一种新的基于指纹的持续学习 (CL) 定位系统.
- 为了提高新旧数据的本地化准确性,同时减轻灾难性遗忘.
主要方法:
- 拟议的系统使用持续学习 (CL) 方法进行基于指纹的本地化.
- 它涉及在较低的网络层练习参数,并降低上层的培训率,以平衡学习新信息和保留旧信息.
主要成果:
- 与TL相比,CL系统显示了显著的准确性改进.
- 在较小的房间中,新数据的准确性提高了16%,旧数据的准确性提高了29%.
- 在更大的房间中,新数据的准确性提高了14%,旧数据的准确性提高了44%.
结论:
- 提出的持续学习 (CL) 方法有效地提高了动态环境中的本地化准确性.
- 这种方法成功地减轻了灾难性遗忘,这是转移学习 (TL) 的关键局限性.
相关概念视频
Errors in Global Positioning System
24
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,...
24
Types of Global Positioning System Surveys
43
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
43


