Design and analysis of smart piezo cantilever beam for energy harvesting.

Autor: Kumar, Saurabh, Srivastava, Rajeev, Srivastava, R.K.
Předmět:
Zdroj: Ferroelectrics; 2016, Vol. 505 Issue 1, p159-183, 25p
Abstrakt: Piezoelectric material can be used to generate the electrical energy when it is compressed or expanded. This paper deals the modelling and design of a Cantilever Beam for Piezoelectric Energy Harvesting on which Piezoelectric Ceramic Lead Zirconate Titanate (PZT) patches are bonded. There may be two configurations one is “Unimorph” in which only one PZT patch is used and the other is “Biomprph” in which two PZT patch are used to generate the energy. The beam is assumed as Euler-Bernoulli beam. The PZT patch is also treated as Euler-Bernoulli beam element. The contribution of mass and stiffness of PZT patch in the design of entire structure are also considered. The beam is modelled using four Finite Elements. PZT patch(s) can be bonded near the fixed end of the beam, near the free end of the beam or other locations in the middle of the beam. A harmonic sinusoidal force is applied. The design uses first vibratory mode. It can be concluded from the work that best result is obtained when the PZT patches are bonded near the fixed end. [ABSTRACT FROM PUBLISHER]
Databáze: Complementary Index