An equivalent linearization technique for nonlinear piezoelectric energy harvesters under Gaussian white noise

被引：37
|
作者：
Jiang, Wen-An [1 ]
Chen, Li-Qun [1 ,2 ,3 ]
机构：
[1] Shanghai Univ, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China
[2] Shanghai Univ, Dept Mech, Shanghai 200444, Peoples R China
[3] Shanghai Univ, Shanghai Key Lab Mech Energy Engn, Shanghai 200072, Peoples R China
来源：
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2014年 / 19卷 / 08期
关键词：
Piezoelectric energy harvesting; Equivalent linearization; Gaussian white noise; VIBRATION; EXCITATIONS; SYSTEMS;
D O I：
10.1016/j.cnsns.2013.12.037
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
An equivalent linearization technique is proposed to determine approximately the output voltage a nonlinear piezoelectric energy harvester excited by Gaussian white noise excitations. Equivalent linear system is derived from minimizing the mean-squared of the error. The linear equivalent coefficients are presented by the method of normal truncation. The exact solution of equivalent linear system is derived obtained. The effectiveness of the method is demonstrated by numerical simulations. (C) 2014 Elsevier B. V. All rights reserved.
引用
收藏
页码：2897 / 2904
页数：8
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