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同济大学 电子与信息工程学院,上海 201804
曹瑞钧(1996—),男,硕士研究生,研究方向为多电平逆变器智能故障检测与诊断;E-mail: 854424609@qq.com
纸质出版日期:2023-01-10,
收稿日期:2022-11-29,
修回日期:2023-01-01,
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曹瑞钧, 郭其一. 基于ICEEMDAN-FE和支持向量机的三电平逆变器的故障诊断技术[J]. 机车电传动, 2023(1): 97-103.
CAO Ruijun, GUO Qiyi. Fault diagnosis technology for three-level inverter based on ICEEMDAN-FE and SVM[J]. Electric Drive for Locomotives, 2023(1): 97-103.
曹瑞钧, 郭其一. 基于ICEEMDAN-FE和支持向量机的三电平逆变器的故障诊断技术[J]. 机车电传动, 2023(1): 97-103. DOI: 10.13890/j.issn.1000-128X.2023.01.013.
CAO Ruijun, GUO Qiyi. Fault diagnosis technology for three-level inverter based on ICEEMDAN-FE and SVM[J]. Electric Drive for Locomotives, 2023(1): 97-103. DOI: 10.13890/j.issn.1000-128X.2023.01.013.
为了提高三电平逆变器复杂开路故障诊断的准确率,提出了一种应用“改进自适应噪声完备集合经验模态分解‒模糊熵(ICEEMDAN‒FE)”和“支持向量机(SVM)”结合的三电平逆变器故障诊断方法。首先,检测信号选取三相负载电压,为降低特征向量的维数,对三相负载电压进行Concordia变换,转换为α-β相电压;然后,通过ICEEMDAN算法提取α-β相电压的特征,得到不同尺度的内禀模态函数(IMF),再利用主成分分析(PCA)降维剔除IMF虚假分量;最后,计算优选的 IMF的模糊熵均值作为特征向量,输入到多分类SVM中进行训练分类,进而实现对二极管中点箝位型(NPC)三电平逆变器的故障诊断。仿真试验结果表明,该方法能够有效识别多种开路故障模式,具有抗噪性能强,诊断速度快,诊断精度高等优点。
In order to improve the accuracy to diagnose complex open-circuit faults for three-level inverters
a new fault diagnosis method of three-level inverters was proposed
combining improved complete ensemble empirical mode decomposition with adaptive noise-fuzzy entropy (ICEEMDAN-FE) and support vector machine (SVM). First
the detection signal is supplied at three-phase load voltage
which was converted into α-β phase voltage by Concordia to reduce the dimension of the eigenvector. Second
the characteristics of the α-β phase voltage were extracted by the ICEEMDAN algorithm to generate the intrinsic modal functions (IMFs) at multiple scales. Then the principal component analysis (PCA) was conducted for dimensionality reduction to remove the false component of IMFs. Finally
the optimized mean FE of the IMFs was used as the eigenvector input into the multi-class SVM for training classification
to further enable fault diagnosis of the diode midpoint clamped (NPC) three-level inverters. The simulation results show that the proposed method can effectively identify a variety of open-circuit failure modes
and has the advantages of strong noise resistance
fast diagnosis and high diagnostic accuracy.
三电平逆变器ICEEMDAN-FE主成分分析支持向量机特征提取故障诊断仿真
three-level inverterICEEMDAN-FEprincipal component analysissupport vector machine (SVM)characteristics extractionfault diagnosissimulation
RODRIGUEZ J, BERNET S, STEIME P K, et al. A survey on neutral-point-clamped inverters[J]. IEEE Transactions on Industrial Electronics, 2010, 57(7): 2219-2230.
PENG Tao, TAO Hongwei, YANG Chao, et al. A uniform modeling method based on open-circuit faults analysis for NPC-three-level converter[J]. IEEE Transactions on Circuits and Systems II: Express Briefs, 2019, 66(3): 457-461.
SHEN Haolan, TANG Xin, AI Sheng, et al. Mixed-type open-circuit fault diagnosis for NPC inverters using a dual-input CNN[C]//IEEE. 2021 IEEE 4th International Electrical and Energy Conference (CIEEC). Wuhan, China: IEEE, 2021: 1-7.
成庶, 赵俊栋, 李凯迪, 等. 一种基于相电流轨迹的逆变器开路故障诊断方法[J]. 铁道科学与工程学报, 2019, 16(10): 2584-2593.
CHENG Shu, ZHAO Jundong, LI Kaidi, et al. An open-circuit fault diagnosis method for inverter based on phase current trajectory[J]. Journal of Railway Science and Engineering, 2019, 16(10): 2584-2593.
HAN Pengcheng, HE Xiaoqiong, REN Haijun, et al. Fault diagnosis and system reconfiguration strategy of a single-phase three-level neutral-point-clamped cascaded inverter[J]. IEEE Transactions on Industry Applications, 2019, 55(4): 3863-3876.
崔江, 王强, 龚春英. 结合小波与Concordia变换的逆变器功率管故障诊断技术研究[J]. 中国电机工程学报, 2015, 35(12): 3110-3116.
CUI Jiang, WANG Qiang, GONG Chunying. Inverter power switch fault diagnosis technique research based on wavelet and Concordia transform[J]. Proceedings of the CSEE, 2015, 35(12): 3110-3116.
陶洪峰, 周超超, 杨慧中. 基于EMD-DTRVM方法的三电平逆变器故障诊断[J]. 控制工程, 2019, 26(12): 2291-2298.
TAO Hongfeng, ZHOU Chaochao, YANG Huizhong. Faults diagnosis of three-level inverter based on EMD-DTRVM[J]. Control Engineering of China, 2019, 26(12): 2291-2298.
蔡鹏飞, 郑树彬, 彭乐乐. 基于EEMD和GA-BP的列车辅助逆变器开路故障诊断研究[J]. 计算机测量与控制, 2019, 27(7): 25-31.
CAI Pengfei, ZHENG Shubin, PENG Lele. Research on open-circuit fault diagnosis of train auxiliary inverter based on EEMD and GA-BP[J]. Computer Measurement & Control, 2019, 27(7): 25-31.
曹茂琨, 帕孜来·马合木提. 基于CEEMD-SE的三电平逆变器复杂故障诊断[J]. 现代电子技术, 2022, 45(2): 73-78.
CAO Maokun, MAHEMUTI Pazilat. CEEMD-SE based complex fault diagnosis of three-level inverter[J]. Modern Electronics Technique, 2022, 45(2): 73-78.
吴娟. 三电平逆变器的故障诊断策略研究[D]. 无锡: 江南大学, 2016.
WU Juan. Research on fault diagonosis strategy of the three-level inverter[D]. Wuxi: Jiangnan University, 2016.
LI Yongbo, WANG Xianzhi, LIU Zhenbao, et al. The entropy algorithm and its variants in the fault diagnosis of rotating machinery: a review[J]. IEEE Access, 2018, 6: 66723-66741.
吴占涛. 自适应特征尺度分解方法及其在旋转机械故障诊断中的应用[D]. 长沙: 湖南大学, 2015.
WU Zhantao. Research on adaptive characteristic-scale decomposition and its application to rotating machinery fault diagnosis[D]. Changsha: Hunan University, 2015.
ZHENG Jinde, PAN Haiyang, CHENG Junsheng. Rolling bearing fault detection and diagnosis based on composite multiscale fuzzy entropy and ensemble support vector machines[J]. Mechanical Systems and Signal Processing, 2017, 85: 746-759.
王浩楠, 崔宝珍, 彭智慧, 等. 应用ICEEMDAN和SVM的行星齿轮箱故障诊断[J]. 机械科学与技术, 2023, 42(1): 24-30.
WANG Haonan, CUI Baozhen, PENG Zhihui, et al. Fault diagnosis of planetary gearbox using ICEEMDAN and SVM[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(1): 24-30.
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