Experimental study on active gear mesh vibration control

Yuan H. Guan; W. Steve Shepard Jr.; Teik C. Lim; Mingfeng Li

doi:10.1117/12.538413

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26 July 2004 Experimental study on active gear mesh vibration control

Yuan H. Guan; W. Steve Shepard Jr.; Teik C. Lim; Mingfeng Li

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Proceedings Volume 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control; (2004) https://doi.org/10.1117/12.538413
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

Abstract

An internal active vibration control system is developed and verified experimentally to suppress gearbox housing vibrations due to gear transmission error excitation. The approach is based on an active shaft transverse vibration control concept. The system contains a piezoelectric stack actuator for applying control forces to the shaft via a rolling element bearing. A modified filtered-x LMS control algorithm with frequency estimation is developed to generate the appropriate control signals. The experimental results show 5-20 dB reduction in the housing vibration at the first two gear mesh harmonics over a wide gear rotation speed range. However, under certain narrow conditions, vibration amplifications at other locations are observed in the experiments, which might be attributed to the system un-modeled dynamics. In spite of this limitation, the approach developed is fairly promising. Studies are being performed to improve the overall performance of the prototype active control system.

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Yuan H. Guan, W. Steve Shepard Jr., Teik C. Lim, and Mingfeng Li "Experimental study on active gear mesh vibration control", Proc. SPIE 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control, (26 July 2004); https://doi.org/10.1117/12.538413

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