Stability analysis and energy harvesting in lumped parameter systems with internally coupled resonators
Hossein Alimohammadi (Tallinn University of Technology)
Kristina Vassiljeva (Tallinn University of Technology)
S.H. Hassan HosseinNia (TU Delft - Mechatronic Systems Design)
E. Petlenkov (Tallinn University of Technology)
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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.
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