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In this paper, a microelectromechanical systems fishbone-shaped electrostatic double-ended tuning fork (DETF) resonator with selectable higher modes is presented. The resonator can realize ten vibration modes with resonant frequencies from 137.929 to 913.476 kHz and multi-mode selection function. Different from conventional electrostatic actuation methods, the proposed fishbone-shaped structure combined...
A resonant electrostatic charge sensor with high sensitivity based on micro electromechanical system technology is proposed to measure electric charge. During measurement, input charge produces lateral electrostatic force to change effective stiffness of double-ended tuning forks resonator, and lead to a resonant frequency shift. The charge sensing functionality is experimentally verified and the...
We present a new image in painting method based on exemplar-based image in painting idea by Curvature-Driven Diffusion (CDD) model in this paper. This method improves effectiveness and the linear structure propagation by rational confidence and data computing method. Therefore, our method can effectively prevent the "garbage" from producing during the process of in painting, which is a common...
This paper presents a comparison of the energy harvesting capabilities of 3 different electrostatic mechanisms based on MEMS (microelectromechanical system) structures which are designed and operated in idea vacuum. The 3 mechanisms that will be compared are the in-plane overlap, in-plane gap closing and out-of-plane gap closing mechanisms. Firstly, it was found that the in-plane gap closing mechanism...
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