The European Physical Journal Special Topics

, Volume 224, Issue 14–15, pp 2823–2838 | Cite as

Analysis of energy harvesting from multiple pendulums with and without mechanical coupling

  • P.V. MalajiEmail author
  • S.F. AliEmail author
Regular Article Piezoelectric Energy Harvesting
Part of the following topical collections:
  1. Nonlinear and Multiscale Dynamics of Smart Materials in Energy Harvesting


Multiple energy harvesters in a single device has become important to harvest enough power for sensors. In such situation presence of mistuning may change the performance of the overall system. This paper studies the issue of presence of mistuning in such system and also extend the study to performance evaluation when mechanically coupling is present between the multiple harvesters. A simple case of two pendulums in a same frame is analysed for electromagnetic energy harvesting. Experiments are carried out to support the numerical evaluation. The study limits its observations to low frequency and low amplitude motions. The observation made are very interesting and intricate.


European Physical Journal Special Topic Mechanical Coupling Excitation Amplitude Power Curve Coupling Ratio 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© EDP Sciences and Springer 2015

Authors and Affiliations

  1. 1.Department of Applied MechanicsIndian Institute of Technology-MadrasChennaiIndia

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