A parametric analysis of the nonlinear dynamics of bistable vibration-based piezoelectric energy harvesters

被引：23

作者：

Costa, Lua Guedes ^{[1
]}

da Silva Monteiro, Luciana Loureiro ^{[1
]}

Calas Lopes Pacheco, Pedro Manuel ^{[1
]}

Savi, Marcelo Amorim ^{[2
]}

机构：

[1] Ctr Fed Educ Tecnol Celso Suckow da Fonseca, Dept Mech Engn, CEFET RJ, Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro, Ctr Nonlinear Mech, Dept Mech Engn, COPPE, POB 68-503, BR-21941972 Rio De Janeiro, Brazil

来源：

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2021年 / 32卷 / 07期

关键词：

Energy harvesting; piezoelectricity; nonlinear dynamics; chaos; bistable systems; ENHANCEMENT; PERFORMANCE; BEAM; SIMULATION;

D O I：

10.1177/1045389X20963188

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Piezoelectric materials exhibit electromechanical coupling properties and have been gained importance over the last few decades due to their broad range of applications. Vibration-based energy harvesting systems have been proposed using the direct piezoelectric effect by converting mechanical into electrical energy. Although the great relevance of these systems, performance enhancement strategies are essential to improve the applicability of these system and have been studied substantially. This work addresses a numerical investigation of the influence of cubic polynomial nonlinearities in energy harvesting systems considering a bistable structure subjected to harmonic excitation. A deep parametric analysis is carried out employing nonlinear dynamics tools. Results show complex dynamical behaviors associated with the trigger of inter-well motion. Electrical power output and efficiency are monitored in order to evaluate the configurations associated with best system performances.

引用

页码：699 / 723

页数：25

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