<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents a conception of the harvester-absorber system consisting of two parts. The first is the pendulum attached to the main system (oscillator), which is suspended on the linear damper and the nonlinear spring made of shape memory alloy. The spring is modelled as a polynomial function based on Landau–Ginzburg theory of phase transitions (similar as ferroelectric and ferromagnets). The obtained results show, that SMA element can increase harvesting energy level, while the absorber effect can be impaired (but not loss). Additionally, introducing SMA element causes changes in dynamics, introduces a new unstable solutions and bifurcations. The analysis was done by classical integration and continuation solution methods.</p></abstract>

This paper presents a conception of the harvester-absorber system consisting of two parts. The first is the pendulum attached to the main system (oscillator), which is suspended on the linear damper and the nonlinear spring made of shape memory alloy. The spring is modelled as a polynomial function based on Landau–Ginzburg theory of phase transitions (similar as ferroelectric and ferromagnets). The obtained results show, that SMA element can increase harvesting energy level, while the absorber effect can be impaired (but not loss). Additionally, introducing SMA element causes changes in dynamics, introduces a new unstable solutions and bifurcations. The analysis was done by classical integration and continuation solution methods.

Application Of Shape Memory Alloy In Harvesto-Absorber System

Faculty of Mechanical Engineering, Department of Applied Mechanics, Lublin University of Technology, 20-618 Lublin, Poland

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Application Of Shape Memory Alloy In Harvesto-Absorber System"}

This paper presents a conception of the harvester-absorber system consisting of two parts. The first is the pendulum attached to the main system (oscillator),...

Application Of Shape Memory Alloy In Harvesto-Absorber System

Published Online: Nov 07, 2015

Page range: 155 - 160

Received: May 04, 2015

Accepted: Oct 28, 2015

DOI: https://doi.org/10.1515/ama-2015-0026

Keywords
Pendulum, SMA Spring, Energy Harvester, Vibration Absorber, Control, Continuation Method

© 2015 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Application Of Shape Memory Alloy In Harvesto-Absorber System

Published Online: Nov 07, 2015

Page range: 155 - 160

Received: May 04, 2015

Accepted: Oct 28, 2015

DOI: https://doi.org/10.1515/ama-2015-0026

KeywordsPendulum, SMA Spring, Energy Harvester, Vibration Absorber, Control, Continuation Method

© 2015 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Pendulum, SMA Spring, Energy Harvester, Vibration Absorber, Control, Continuation Method