A Two-Stage Fault Diagnosis Method With Rough and Fine Classifiers for Phased Array Radar Transceivers

IF 5.6 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Instrumentation and Measurement Pub Date : 2024-10-23 DOI:10.1109/TIM.2024.3485396
Chuang Chen;Jiantao Shi;Lihang Feng;Hui Yi;Cunsong Wang;Hongtian Chen
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Abstract

Transceivers are critical components of phased array radar (PAR) systems, and accurate fault diagnosis is essential for ensuring their reliability. However, many transceiver faults exhibit similar characteristics, making them difficult to identify. To address this challenge, a two-stage fault diagnosis method employing both rough and fine classifiers is proposed for PAR transceivers. In the first stage, a weighted support vector machine serves as the rough classifier to effectively separate easily distinguishable faults. For more complex faults that remain ambiguous, Fisher’s discriminating ratio is used to identify the most significant monitoring variables, refining the analysis further. In the second stage, a sparse momentum deep belief network (DBN) is developed as the fine classifier to accurately identify these challenging faults. The configuration parameters for both classifiers are optimized using a modified equilibrium optimizer to maximize performance. The proposed method is validated using a real-world dataset of PAR transceivers, with test results demonstrating superior accuracy compared to several existing intelligent diagnostic methods.
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相控阵雷达收发器的粗略和精细分类器两阶段故障诊断方法
收发器是相控阵雷达(PAR)系统的关键部件,准确的故障诊断对确保其可靠性至关重要。然而,许多收发器故障具有相似的特征,因此难以识别。为了应对这一挑战,我们提出了一种针对 PAR 收发器的两阶段故障诊断方法,同时采用粗分类器和精分类器。在第一阶段,加权支持向量机作为粗略分类器,可有效区分易于区分的故障。对于仍不明确的较复杂故障,则使用费雪判别率来识别最重要的监测变量,进一步细化分析。在第二阶段,开发了稀疏动量深度信念网络(DBN)作为精细分类器,以准确识别这些具有挑战性的故障。两个分类器的配置参数都使用改进的平衡优化器进行优化,以最大限度地提高性能。使用 PAR 收发器的真实数据集对所提出的方法进行了验证,测试结果表明,与现有的几种智能诊断方法相比,该方法具有更高的准确性。
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来源期刊
IEEE Transactions on Instrumentation and Measurement
IEEE Transactions on Instrumentation and Measurement 工程技术-工程:电子与电气
CiteScore
9.00
自引率
23.20%
发文量
1294
审稿时长
3.9 months
期刊介绍: Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.
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