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Fault diagnosis for drivetrain gearboxes using PSO-optimized multiclass SVM classifier

机译：使用PSO优化的多字符SVM分类器对动机齿轮箱的故障诊断

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摘要

A novel method consisting of an adaptive feature extraction scheme and a particle swarm optimization (PSO)- optimized multiclass support vector machine (SVM) classifier is proposed for condition monitoring and fault diagnosis of drivetrain gearboxes in variable-speed operational conditions. The adaptive feature extraction scheme consists of an adaptive signal resampling algorithm, a frequency tracker, and a feature generation algorithm for effective extraction of the features of gearbox faults from the stator current signal of the AC electric machine connected to the gearbox. The multiclass SVM classifier is designed to identify different faults in the gearbox according to the fault features extracted. The PSO algorithm is utilized to optimize the parameter setting of the SVM classifier to obtain the best classification accuracy. The proposed method is testified on a drivetrain gearbox connected with a permanent-magnet synchronous machine with three different faults. Experimental results show that the faults can be effectively classified by the proposed method.

机译：一种新的方法，包括自适应特征提取方案和粒子群优化（PSO）优化的多字符支持向量机（SVM）分类器，用于在可变速度运行条件下的动力传动齿轮箱的状态监测和故障诊断。自适应特征提取方案包括自适应信号重采样算法，频率跟踪器和特征生成算法，用于从连接到齿轮箱的AC电机的定子电流信号中有效提取变速箱故障的特征。 MultiClass SVM分类器旨在根据提取的故障特征识别变速箱中的不同故障。 PSO算法用于优化SVM分类器的参数设置，以获得最佳分类精度。所提出的方法在与具有三个不同故障的永磁同步机连接的动机齿轮箱上作证。实验结果表明，通过所提出的方法可以有效地归类故障。

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Dingguo Lu; Wei Qiao;
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2. A multiclass SVM-based classifier for transformer fault diagnosis using a particle swarm optimizer with time-varying acceleration coefficients [J] . R. J. Liao, H. B. Zheng, †, European Transactions on Electrical Power . 2013,第2期

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3. Bearing Fault Diagnosis Based on Improved Locality-Constrained Linear Coding and Adaptive PSO-Optimized SVM [J] . Yuan Haodong, Chen Jin, Dong Guangming Mathematical Problems in Engineering . 2017,第pta8期

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4. Fault diagnosis for drivetrain gearboxes using PSO-optimized multiclass SVM classifier [C] . Lu Dingguo, Qiao Wei 2014 IEEE PES General Meeting, Conference amp; Exposition . 2014

机译：使用PSO优化的多类SVM分类器对传动系统变速箱进行故障诊断
5. Current-Based Fault Diagnosis and Prognosis for Wind Turbine Drivetrain Gearboxes [D] . Cheng, Fangzhou 2017

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6. A Novel Fault Diagnosis System on Polymer Insulation of Power Transformers Based on 3-stage GA–SA–SVM OFC Selection and ABC–SVM Classifier [O] . Xiaoge Huang, Yiyi Zhang, Jiefeng Liu, 2011

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7. A GA-SVM Hybrid Classifier for Multiclass Fault Identification of Drivetrain Gearboxes [O] . Lu, Dingguo, Qiao, Wei 2014

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8. Efficient Fault Diagnosis of Helicopter Gearboxes [R] . Chin, H., Danai, K., Lewicki, D. G. 1993

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Fault diagnosis for drivetrain gearboxes using PSO-optimized multiclass SVM classifier

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