Fault Diagnosis of Offshore Platforms Using the Local Mean Decomposition Method

Abstract:

Traditional techniques are not suitable for exploring non-stationary and nonlinear signals. Although empirical mode decomposition (EMD) is a powerful tool for the non-stationary and nonlinear signal analysis, yet it still has some shortcomings. Local mean decomposition (LMD), a novel signal processing method, seemingly overcomes many deficiencies of the EMD method and can take place of the EMD method for analyzing non-stationary and nonlinear signals. In this paper, the LMD method is employed to examine the signal captured from the decks of the WZ12-1 platform and succeeds in displaying the reasons causing the excessive vibration of the WZ12-1 platform. The results suggest that the LMD method seems to be a feasible method for fault diagnosis of offshore platforms.

• Periodical: Advanced Materials Research (Volume 365)
• Pages: 94-97
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.365.94
• Online since: October 2011
• Authors: Jin Shan Lin
• Keywords: Fault Diagnosis, Local Mean Decomposition (LMD), Offshore Platform

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