Eur. Phys. J. B (2016) 89: 224
https://doi.org/10.1140/epjb/e2016-70271-7

Regular Article

The role of interplay between the potential and the ambient energies on the vibration energy harvesting

Department of Chemistry, Visva-Bharati, 731235 Santiniketan, India

^a e-mail: pcbcb@rediffmail.com

Received: 3 May 2016
Received in final form: 23 July 2016
Published online: 17 October 2016

Abstract

In this paper we have demonstrated how the conversion of the ambient energy into the electrical energy depends on the properties of the ambient energy and the mechanical oscillator. We have observed that the conversion of the vibration energy into the electrical energy may be good if the voltage can follow closely the evolution of of the amplitude of the oscillator. Thus if the voltage and the position fluctuate in a correlated manner then the conversion of the ambient energy into the electrical energy is good. Our another observation is that for a given capacitance, the power transferred (PT) from the oscillator to the transducer may be maximum in the variation of PT with increase in resistance, R. In other words, the power transferred changes with a maximum as the capacitance, C grows for a fixed value of the resistance. Along with these we have investigated how the other relevant quantities such as the efficiency of the energy transferred process depends on the characteristics of the oscillating systems, the environment and the piezoelectric dynamics.