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Torsion Vibrations and Dynamic Stability of a Marine Driveline With Hydraulically Actuated Multi-Disk Clutch

[+] Author Affiliations
Mauro Cavallin, Alberto Doria, Giovanni Meneghetti

University of Padova, Padova, Italy

Daniele Sacchi

ZF Padova S.r:L., Padova, Italy

Paper No. DETC2018-85387, pp. V008T10A008; 9 pages
doi:10.1115/DETC2018-85387
From:
  • ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 8: 30th Conference on Mechanical Vibration and Noise
  • Quebec City, Quebec, Canada, August 26–29, 2018
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5185-2
  • Copyright © 2018 by ASME

abstract

The driveline of many crafts during mooring maneuvers operates in the “trolling” mode, which is characterized by large slippages of the clutch. Sometimes the properties of clutch material and oil lead to the onset of self-excited torsion vibrations and wide fluctuations in torque. To analyze this phenomenon a numerical model of a typical marine driveline is developed, friction characteristics of the clutch are simulated by means of a LuGre model. A parametric stability analysis is carried out to highlight the effect of the parameters of the LuGre friction model on the stability of torsion vibrations. A series of experimental tests is performed on a specific test bench to identify the parameters of the driveline and to validate the numerical model. Results shows that the updated numerical model is able to replicate experimental results.

Copyright © 2018 by ASME

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