Stability analysis and energy harvesting in lumped parameter systems with internally coupled resonators

Hossein Alimohammadi, Kristina Vassiljeva, S. Hassan HosseinNia, Eduard Petlenkov*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

This article explores internally coupled resonators in metamaterial systems, focusing on mechanical and electromechanical coupling. The article provides a thorough examination of stability within the context of internally coupled resonators. It establishes stability criteria, emphasizing the importance of strictly stable systems in practical applications. Furthermore, it analyzes stability through simulations, revealing how various parameters impact system behavior and highlighting the challenges and benefits of achieving stability in metamaterial systems. Additionally, the article explores the impact of damping coefficients and resonator characteristics, on displacement and power generation profiles. Nonlinear behavior in internally coupled resonators is examined, revealing the presence of bifurcation in simulation and offering insights into multi-stability and system behavior.

Original languageEnglish
Number of pages13
JournalJVC/Journal of Vibration and Control
DOIs
Publication statusPublished - 2024

Keywords

  • internally coupled resonators
  • lumped systems
  • piezoelectric energy harvesting
  • stability
  • vibration suppression

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