Active damping of the elastodynamic vibrations of a flexible slider-crank mechanism using an energy approach

Mansour Karkoub, M. Zribi

Research output: Contribution to journalArticle

Abstract

In this paper, the problem of active damping of the elastodynamic vibrations of a flexible slider-crank mechanism is addressed. The slider-crank mechanism is such that the connecting rod is flexible and the crank link is rigid. The slider-crank mechanism system is underactuated since the connecting rod is not directly controlled. A dynamic model for the slider-crank mechanism is derived using the Hamiltonian principle. Then, a control scheme based on an energy approach is proposed. The control scheme uses the passivity of the system to eliminate the vibrations of the flexible connecting rod. Simulation results are given to illustrate the theoretical developments.

Original languageEnglish
Pages (from-to)7-20
Number of pages14
JournalProceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics
Volume215
Issue number1
DOIs
Publication statusPublished - 1 Mar 2001
Externally publishedYes

Fingerprint

Connecting rods
elastodynamics
eccentrics
chutes
Vibrations (mechanical)
Damping
damping
vibration
rods
Hamiltonians
energy
Dynamic models
dynamic models
passivity
simulation

Keywords

  • control
  • flexible mechanism
  • passivity
  • slider-crank

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

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AB - In this paper, the problem of active damping of the elastodynamic vibrations of a flexible slider-crank mechanism is addressed. The slider-crank mechanism is such that the connecting rod is flexible and the crank link is rigid. The slider-crank mechanism system is underactuated since the connecting rod is not directly controlled. A dynamic model for the slider-crank mechanism is derived using the Hamiltonian principle. Then, a control scheme based on an energy approach is proposed. The control scheme uses the passivity of the system to eliminate the vibrations of the flexible connecting rod. Simulation results are given to illustrate the theoretical developments.

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