论文:2022,Vol:40,Issue(3):645-650
引用本文:
池程芝, 潘震, 徐钊, 张一童. 基于多特征选择算法的功率变换器故障分类方法[J]. 西北工业大学学报
CHI Chengzhi, PAN Zhen, XU Zhao, ZHANG Yitong. Power converter fault classification method based on multi-feature selection algorithm[J]. Northwestern polytechnical university

基于多特征选择算法的功率变换器故障分类方法
池程芝1, 潘震1, 徐钊2, 张一童2
1. 中国航空无线电电子研究所 航空电子系统综合技术重点实验室, 上海 200233;
2. 西北工业大学 电子信息学院, 陕西 西安 710072
摘要:
对综合模块化航电电源转换模块的核心部件进行故障诊断的过程中,选择合适的特征能够有效提高模型的效率和分类准确率,极大地降低学习算法的计算复杂度。设计了典型的Sepic结构DC-DC变换器模型,对DC-DC变换器的典型故障类型进行故障模拟;通过仿真获取相应的原始数据,采用数据进行预处理、特征提取与多特征选择融合;利用BP神经网络方法对DC-DC变换器进行故障诊断分析,仿真验证了该方法的有效性。
关键词:    特征选择    BP神经网络    故障诊断    功率变换器    Sepic结构   
Power converter fault classification method based on multi-feature selection algorithm
CHI Chengzhi1, PAN Zhen1, XU Zhao2, ZHANG Yitong2
1. Science and Technology on Avionics Integration Laboratory, China Institute of Aeronautical Radio Electronics, Shanghai 200233, China;
2. School of Electronics and Information, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
In the process of fault diagnosis for the core components of the integrated modular avionics power conversion module, selecting appropriate features can effectively improve the efficiency and classification accuracy of the model, and greatly reduce the computational complexity of the learning algorithm. This paper first designs a typical Sepic structure DC-DC converter model to simulate the typical fault types of the DC-DC converter; secondly, the corresponding original data is obtained through simulation; after data preprocessing, feature extraction and using multiple feature selection fusion algorithm, BP neural network method is used finally for fault diagnosis analysis of DC-DC converter. The simulation verifies the effectiveness of the above method.
Key words:    feature selection    BP neural network    fault diagnosis    power converter    Sepic structure   
收稿日期: 2021-09-03     修回日期:
DOI: 10.1051/jnwpu/20224030645
基金项目: 航空自然科学基金(20185553034)、国防基础科研计划(JCKY2019205C615007)、中国博士后科学基金(2018M633574)及国家自然科学基金(61803309,61603303)资助
通讯作者: 徐钊(1982—),女,西北工业大学副教授,主要从事寿命预测与健康管理、多无人机网络控制研究。e-mail:zhaoxu@nwpu.edu.cn     Email:zhaoxu@nwpu.edu.cn
作者简介: 池程芝(1984—),中国航空无线电电子研究所高级工程师,主要从事预测与健康管理、航电综合研究。
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