2021
DOI: 10.1142/s0218348x21500304
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Fractal N/Mems: From Pull-in Instability to Pull-in Stability

Abstract: Pull-in instability, as an inherent nonlinear problem, continues to become an increasingly important and interesting topic in the design of electrostatic Nano/Micro-electromechanical systems (N/MEMS) devices. Generally, the pull-in instability was studied in a continuous space, but when the electronic devices work in a porous medium, they need to be analyzed in a fractal partner. In this paper, we establish a fractal model for N/MEMS, and find a pull-in stability plateau, which can be controlled by the porous … Show more

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Cited by 127 publications
(67 citation statements)
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“…15 The inherent pull-in instability of MEMS systems can be completely overcome by the fractal vibration theory. [16][17][18] The homotopy perturbation method (HPM) 19 and the Hamitonian approach 20 are two main analytical tools for nonlinear vibration systems. The combination of the Laplace transforms, Lagrange multiplier, fractional complex transforms, and Mohand transform with HPM was employed to find approximate solutions for nonlinear partial differential equations.…”
Section: Introductionmentioning
confidence: 99%
“…15 The inherent pull-in instability of MEMS systems can be completely overcome by the fractal vibration theory. [16][17][18] The homotopy perturbation method (HPM) 19 and the Hamitonian approach 20 are two main analytical tools for nonlinear vibration systems. The combination of the Laplace transforms, Lagrange multiplier, fractional complex transforms, and Mohand transform with HPM was employed to find approximate solutions for nonlinear partial differential equations.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, He's frequency formulation, which is first proposed by Chinese mathematician Ji-Huan He, has been widely used to solve the nonlinear vibrations arising in three-dimensional printing technology, 25 micro-electromechanical, 26 N/MEMS, 27 and so on . 28,29 By using He's frequency formulation, we can get the frequency-amplitude formulation of equation (1.1) as…”
Section: Resultsmentioning
confidence: 99%
“…Due to the shortness of finding exact solutions, these nonlinear equations are extremely imperative to be solved by employing analytical and numerical methods, for example, the variational iteration method, [11][12][13] the homotopy perturbation method, 14 the Hamiltonian approach, 15,16 and the Taylor series method. [17][18][19] Fractal calculus especially provides a powerful tool for characterizing the mechanical behavior of a nonlinear oscillator in a fractal space, [20][21][22][23][24][25][26][27] which cannot be revealed by the classical differential models. For examples, some interesting properties of the fractal Toda oscillator was first revealed, 20 Fangzhu's passive water harvesting was explored using a fractal oscillation model, [21][22][23][24][25] the fractal MEMS oscillator can eliminate the pull-in instability, 26 which is an intrinsic property of the traditional MEMS oscillator.…”
Section: Introductionmentioning
confidence: 99%
“…[17][18][19] Fractal calculus especially provides a powerful tool for characterizing the mechanical behavior of a nonlinear oscillator in a fractal space, [20][21][22][23][24][25][26][27] which cannot be revealed by the classical differential models. For examples, some interesting properties of the fractal Toda oscillator was first revealed, 20 Fangzhu's passive water harvesting was explored using a fractal oscillation model, [21][22][23][24][25] the fractal MEMS oscillator can eliminate the pull-in instability, 26 which is an intrinsic property of the traditional MEMS oscillator. The fractional Schrodinger equation, 9 the fractional Camassa-Holm equation, 9 and the fractional Kundu-Mukherjee-Naskar equation 27 also showed plenty of solution properties.…”
Section: Introductionmentioning
confidence: 99%