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首页> 外文期刊>Key Engineering Materials >A Comparative Study on the Vibration Signal-Based Damage Detection for Rotor-Bearing System in Speed-Up Process: The Feature Extraction Approach
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A Comparative Study on the Vibration Signal-Based Damage Detection for Rotor-Bearing System in Speed-Up Process: The Feature Extraction Approach

机译：基于振动信号的转子轴承系统加速过程损伤检测的特征提取方法比较研究

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摘要

The goal of system monitoring and diagnostics is to minimize economic losses, to increase stability, to maximize productivity, and to maintain product quality in manufacturing. The feature extraction from the signals acquired in rotating machine is required for performance evaluation, condition monitoring, and fault diagnostics. In this paper, we extracted the distinctive features from vibration signals gathered in rotor-bearing system during acceleration in order to monitor an abnormal condition by using various kinds of signal processing methods such as the Fast Fourier Transform, Short-Time Fourier Transform, Wigner-Ville Distribution, and Discrete Wavelet Transform.
机译：系统监视和诊断的目标是最大程度地减少经济损失，提高稳定性，最大​​化生产率，并在制造过程中保持产品质量。需要从旋转电机中获取的信号中提取特征，以进行性能评估，状态监视和故障诊断。在本文中，我们通过使用快速傅立叶变换，短时傅立叶变换，维格纳变换等各种信号处理方法，从加速过程中轴承系统中收集的振动信号中提取出独特的特征，以监测异常情况。 Ville分布和离散小波变换。

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