Abstract
The leakage of hydraulic cylinder is usually caused by wear or damage of the seal, and it must be detected as early as possible to avoid worse breakdowns of system that may lead to the loss of production. In addition, the leakage is difficult to be diagnosed because it is concealed. In this paper, inlet and outlet pressure signals and position signal of piston rod of hydraulic cylinder have been collected from a special designed test-bed, which simulates different internal leakage levels of hydraulic cylinder. Fault features are extracted by wavelet packet analysis. The result shows that there are five features in total can be used to distinguish levels of the internal leakage obviously.
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Zhao, X., Hu, Z., Li, R., Zhou, C., Jiang, J. (2014). Internal Leakage Fault Feature Extraction of Hydraulic Cylinder Using Wavelet Packet Energy . In: Li, K., Xiao, Z., Wang, Y., Du, J., Li, K. (eds) Parallel Computational Fluid Dynamics. ParCFD 2013. Communications in Computer and Information Science, vol 405. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53962-6_32
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DOI: https://doi.org/10.1007/978-3-642-53962-6_32
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-53961-9
Online ISBN: 978-3-642-53962-6
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