<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper describes modelling and testing of the piezoelectric beam as energy harvesting system. The cantilever beam with two piezo-elements glued onto its surface is considered in the paper. As result of carried out modal analysis of the beam the natural frequencies and modes shapes are determined. The obtained results in the way mentioned above allow to estimate such location of the piezo-actuator on the beam where the piezo generates maximal values of modal control forces. Experimental investigations carried out in the laboratory allow to verify results of natural frequencies obtained during simulation and also testing of the beam in order to obtain voltage from vibration with help of the piezo-harvester. The obtained values of voltage stored on the capacitor <italic>C</italic><sub>0</sub> shown that the best results are achieved for the beam excited to vibration with third natural frequency, but the worst results for the beam oscillating with the first natural frequency.</p></abstract>

The paper describes modelling and testing of the piezoelectric beam as energy harvesting system. The cantilever beam with two piezo-elements glued onto its surface is considered in the paper. As result of carried out modal analysis of the beam the natural frequencies and modes shapes are determined. The obtained results in the way mentioned above allow to estimate such location of the piezo-actuator on the beam where the piezo generates maximal values of modal control forces. Experimental investigations carried out in the laboratory allow to verify results of natural frequencies obtained during simulation and also testing of the beam in order to obtain voltage from vibration with help of the piezo-harvester. The obtained values of voltage stored on the capacitor C0 shown that the best results are achieved for the beam excited to vibration with third natural frequency, but the worst results for the beam oscillating with the first natural frequency.

Modelling and Testing of the Piezoelectric Beam as Energy Harvesting System

Bialystok University of Technology, Faculty of Mechanical Engineering, ul. Wiejska 45C,15-351 Bialystok,

Acta Mechanica et Automatica

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

{"article-title":"Modelling and Testing of the Piezoelectric Beam as Energy Harvesting System"}

The paper describes modelling and testing of the piezoelectric beam as energy harvesting system. The cantilever beam with two piezo-elements glued onto its...

Modelling and Testing of the Piezoelectric Beam as Energy Harvesting System

Published Online: Dec 28, 2016

Page range: 291 - 295

Received: Mar 31, 2016

Accepted: Dec 02, 2016

DOI: https://doi.org/10.1515/ama-2016-0045

Keywords
Cantilever Beam, Piezo-Actuator, Energy Harvesting System, Modal Analysis

© 2016 Bialystok University of Technology

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

Modelling and Testing of the Piezoelectric Beam as Energy Harvesting System

Published Online: Dec 28, 2016

Page range: 291 - 295

Received: Mar 31, 2016

Accepted: Dec 02, 2016

DOI: https://doi.org/10.1515/ama-2016-0045

KeywordsCantilever Beam, Piezo-Actuator, Energy Harvesting System, Modal Analysis

© 2016 Bialystok University of Technology

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

Keywords
Cantilever Beam, Piezo-Actuator, Energy Harvesting System, Modal Analysis