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Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
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Research on Noise Reduction and Analysis of Reciprocating Friction Vibration Signals Based on the Complementary

Yier Yu1, Haijun Wei1, Zongxiao Liu1

  • 1Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China.

Sensors (Basel, Switzerland)
|May 4, 2026
PubMed

Keywords:
adaptive correlation coefficientcomplementary ensemble empirical mode decomposition (CEEMD)frictional vibration signalmulti-scale permutation entropy (MPE)noise reduction processing

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