2022
DOI: 10.1177/1045389x211072519
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Uncertainty analysis of galloping based piezoelectric energy harvester system using polynomial neural network

Abstract: This paper deals with the impact of uncertain input parameters on the electrical power generation of galloping-based piezoelectric energy harvester (GPEH). A distributed parameter model for the system is derived and solved by using Newmark beta numerical integration technique. Nonlinear systems tend to behave in a completely different manner in response to a slight change in input parameters. Due to the complex manufacturing process and various technical defects, randomness in system properties is inevitable. … Show more

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Cited by 20 publications
(7 citation statements)
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“…Thus, this investigation is further extended to estimate the contribution of independent composite properties to the critical thermal buckling using variance-based global sensitivity analysis. 46,47 Table 10 represents the sensitivity of each input property to the thermal buckling response for three boundary conditions. It can be noted from Table 10 that the thermal expansion coefficient of the matrix ( α m ) is the most sensitive property, followed by the elastic modulus of the matrix ( E m ), fiber ( E f ), and Poisson’s ratio of the matrix ( υ m ), regardless to the boundary conditions and lamination sequences.…”
Section: Resultsmentioning
confidence: 99%
“…Thus, this investigation is further extended to estimate the contribution of independent composite properties to the critical thermal buckling using variance-based global sensitivity analysis. 46,47 Table 10 represents the sensitivity of each input property to the thermal buckling response for three boundary conditions. It can be noted from Table 10 that the thermal expansion coefficient of the matrix ( α m ) is the most sensitive property, followed by the elastic modulus of the matrix ( E m ), fiber ( E f ), and Poisson’s ratio of the matrix ( υ m ), regardless to the boundary conditions and lamination sequences.…”
Section: Resultsmentioning
confidence: 99%
“…More details of the variance-based global sensitivity analysis can be found in ref. 55,56 Reliability analysis…”
Section: Sensitivity Analysismentioning
confidence: 99%
“…To get over MCS's limitations, many researchers use neural network algorithms to perform various uncertainty analyses. [53][54][55][56][57][58][59]…”
Section: Introductionmentioning
confidence: 99%