Experimental investigation of a rotating parametric pendulum

Panagiotis Alevras*, Iain Brown, Daniil Yurchenko

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


The parametrically excited pendulum has been attracting significant interest with recently being involved in the development of a wave energy converter. The capability of establishing rotational motion is however restricted by the quite low frequency of ocean waves. Introducing a design of a tri-pendulum instead of a simple pendulum could provide a solution to that obstacle. In this paper, an experimental investigation of the response of a tri-pendulum to parametric excitation is presented. The target is to achieve rotational response of the tri-pendulum and highlight some of the particularly useful characteristics of this design such as the configurability and flexibility of its size without affecting its functionality. Experimental demonstrations of previous observations regarding the rotational response under not vertical, but tilted rectilinear, excitation are sought as well.

Original languageEnglish
Pages (from-to)201-213
Number of pages13
JournalNonlinear Dynamics
Issue number1-2
Publication statusPublished - Jul 2015


  • Experimental
  • Parametric
  • Physical pendulum
  • Planar excitation
  • Wave energy

ASJC Scopus subject areas

  • Applied Mathematics
  • Mechanical Engineering
  • Aerospace Engineering
  • Ocean Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering


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