基于数据融合的轨道不平顺检测算法研究
Research on Track Irregularity Detection Algorithm Based on Data Fusion
- 机车电传动 2021年第3期 页码：9-15
- 作者机构：
1.株洲时代电子技术有限公司，湖南 株洲 412007
- 作者简介：
李懿（1979—），男，高级工程师，主要从事轨道工程机械电气控制系统集成研发与应用方面的工作；E-mail：liyi2@csrzic.com
- 基金信息：
DOI：10.13890/j.issn.1000-128x.2021.03.002
中图分类号：
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李懿, 白欢, 刘沅明. 基于数据融合的轨道不平顺检测算法研究[J]. 机车电传动, 2021,(3):9-15.
Yi LI, Huan BAI, Yuanming LIU. Research on Track Irregularity Detection Algorithm Based on Data Fusion[J]. Electric Drive for Locomotives, 2021,(3):9-15.
李懿, 白欢, 刘沅明. 基于数据融合的轨道不平顺检测算法研究[J]. 机车电传动, 2021,(3):9-15. DOI： 10.13890/j.issn.1000-128x.2021.03.002.
Yi LI, Huan BAI, Yuanming LIU. Research on Track Irregularity Detection Algorithm Based on Data Fusion[J]. Electric Drive for Locomotives, 2021,(3):9-15. DOI： 10.13890/j.issn.1000-128x.2021.03.002.
摘要
针对轨道不平顺检测方法和检测精度问题，提出基于捷联式惯性导航技术，搭建以四元数为基础的“数学平台”，融合里程计和射频标签修正里程位置信息，根据惯性测量单元加速度计和陀螺仪的数据进行轮轴姿态解算，通过互补滤波算法进行数据融合，并基于混沌增强果蝇优化算法进行滤波处理，获得以欧拉角表示的轮轴三维姿态数据，进而拟合实现轨道不平顺检测。实践表明，文章提出的数据融合检测算法，可以有效实现轨道不平顺检测，提高检测精度，为轨道维护保养提供基础数据。
Abstract
Aiming at the problem of track irregularity detection method and accuracy, a strap-down inertial navigation technology was proposed. A quaternion based "mathematical platform" was built. By integrating odometer and radio frequency tag, the mileage position information was corrected; By integrating accelerometer and gyroscope data of inertial measurement unit(IMU), the axle attitude was calculated; By using complementary filtering algorithm for data fusion, and using chaotic-enhanced fruit flyoptimization algorithm (CFOA) for filtering, the wheel axle three-dimensional attitude data expressed by Euler angle was obtained, and then fitted to realize the track irregularity detection. Practice shows that the data fusion detection algorithm proposed in this paper can effectively realize the track irregularity detection, improve the detection accuracy, and provide basic data for track maintenance.
关键词
轨道不平顺不平顺检测捷联式惯性导航数据融合混沌增强果蝇优化算法姿态解算
Keywords
track irregularityirregularity detectionSINSdata fusionCFOAattitude calculation
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