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

作者：Jiang Wen An; Chen Li Qun^*

来源：Communications in Nonlinear Science & Numerical Simulation, 2014, 19(8): 2897-2904.

DOI：10.1016/j.cnsns.2013.12.037

• Piezoelectric energy harvesting
• Equivalent linearization
• Gaussian white noise

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.

• 出版日期2014-8
• 单位上海大学