2019
DOI: 10.1109/access.2019.2923657
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Fault Feature Extraction of Reciprocating Compressor Based on Adaptive Waveform Decomposition and Lempel-Ziv Complexity

Abstract: The multi-source impact signal of reciprocating compressor often represents nonlinear and non-stationary. For this reason, the fault features of the signal are difficult to quantitatively describe using conventional signal processing methods. In this paper, a novel adaptive waveform decomposition method was proposed to convert the strong non-stationary multi-component signal into stationary single-component signal. Subsequently, the signal was denoised with threshold-based mutual information to protect from be… Show more

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Cited by 12 publications
(9 citation statements)
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“…A new feature extraction technique was introduced by Tang and Lin (2019) to diagnose multiple fault conditions of the compressor using vibration parameters. An adaptive waveform decomposition (AWD) method was used to convert a non-stationary waveform into a stationary wave, and the signals were de-noised using threshold information value.…”
Section: Introductionmentioning
confidence: 99%
“…A new feature extraction technique was introduced by Tang and Lin (2019) to diagnose multiple fault conditions of the compressor using vibration parameters. An adaptive waveform decomposition (AWD) method was used to convert a non-stationary waveform into a stationary wave, and the signals were de-noised using threshold information value.…”
Section: Introductionmentioning
confidence: 99%
“…Given these facts, various multiscale analysis methods are proposed consecutively to describe the complexity and uncertainty of signals at multiple scales, which can achieve richer and more comprehensive bearing fault information. The most common multiscale analysis methods include multiscale Lempel–Ziv complexity (MLZC) [ 10 ], multiscale sample entropy (MSE) [ 11 ], multiscale permutation entropy (MPE) [ 12 ] and multiscale fuzzy entropy (MFE) [ 13 ]. However, these methods also have some disadvantages.…”
Section: Introductionmentioning
confidence: 99%
“…Reciprocating compressors (RCs) are widely used in the petrochemical, refrigeration, and gas transportation industries [1][2][3]. The valve is the core part of RC, which determines the stable and efficient operation, and it is one of the most easily damaged parts in RC.…”
Section: Introductionmentioning
confidence: 99%
“…As one of the most commonly used FDM, vibration-based pattern recognition method has attracted significant attention in the field of rotating equipment fault diagnosis. However, the vibration characteristics of RC have non-linear, non-stationary, and multi-component coupling factors [3,9], which pose challenges for RC fault diagnosis. Generally, the FDM of RC can be divided into three categories: model-based, data-driven, and a combination of the two [2,10,11].…”
Section: Introductionmentioning
confidence: 99%
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