多传感器信息融合定位AUKF磁悬浮列车基于自我纠正权重
Qian Hu1,2, Hong Tang3, Kuangang Fan1,2
1School of Electrical Engineering and Automation, Jiangxi University of Science and Technology, Ganzhou 341000, China.
Sensors (Basel, Switzerland)
|April 26, 2025
概括
这项研究引入了一种新的AUKF算法,用于精确的磁悬浮 (maglev) 列车定位. 它通过整合多传感器数据和采用自纠正权重与Sage-Husa噪声估计来提高准确性和稳定性.
科学领域:
- 运输工程 运输工程
- 控制系统 控制系统
- 信号处理 信号处理
背景情况:
- 精确的定位对于磁悬浮列车的安全性和调度至关重要.
- 现有的方法受到噪声干扰,单传感器依赖和历史数据偏差的影响.
- 传统的权重方案容易受到历史数据的影响,导致定位偏差.
研究的目的:
- 提出一个改进的多传感器信息融合和定位方法,用于磁升列车.
- 为了解决单传感器方法的局限性和磁电梯定位中的噪声干扰.
- 为了提高磁悬浮列车定位系统的准确性和可靠性.
主要方法:
- 开发了一个AUKF (自适应无气味卡尔曼波器) 算法,集成Sage-Husa噪声估计和自我校正权重.
- 利用来自交叉传感器线路的多传感器数据融合,惯性导航系统 (INS),多普勒雷达和全球导航卫星系统 (GNSS).
- 实现了对测量噪声的自适应统计特征估计,以克服单一功能的限制.
主要成果:
- 提出的基于自我校正的AUKF算法显示了更接近实际值的轨迹.
- 与传统方法相比,实现了降低平均误差 (ME) 和根平均平方误差 (RMSE).
- AUKF算法有效地消除了单个模块的单一功能和低集成性缺陷.
结论:
- 自行校正加权的AUKF算法在磁悬浮列车定位的稳定性,准确性和简单性方面提供了显著的优势.
- 这种多传感器融合方法增强了磁铁列车的精确定位能力.
- 该方法提供了一种强大的解决方案,用于克服马格莱夫系统中的噪音和数据集成挑战.
更多相关视频
11:06A Human-machine-interface Integrating Low-cost Sensors with a Neuromuscular Electrical Stimulation System for Post-stroke Balance Rehabilitation
Published on: April 12, 2016
10.4K
07:13Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
Published on: October 27, 2023
972
相关概念视频
01:26Errors in Global Positioning System
22
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,...
22
01:28Field Application of Global Positioning System
19
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...
19
01:12Average Velocity
17.9K
To calculate the other physical quantities in kinematics, we must introduce the time variable. The time variable allows us not only to state the position of the object during its motion, but also how fast it is moving. The speed at which an object is moving is given by the rate at which the position changes with time. For each position xi, we assign a particular time ti. If the details of the motion at each instant are not important, the rate is usually expressed as the average velocity. This...
17.9K
01:30Types of Global Positioning System Surveys
38
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...
38