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Integrity Analysis of Electrically Actuated Resonators With Delayed Feedback Controller
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, we investigate the stability and integrity of parallel-plate microelectromechanical systems resonators using a delayed feedback controller. Two case studies are investigated: a ...
Characterization of the Dynamical Response of a Micromachined G-Sensor to Mechanical Shock Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Squeeze film damping has a significant effect on the dynamic response of microelectromechanical system (MEMS) devices that employ perforated microstructures with large planar areas and small gap ...
The Effect of Squeeze-Film Damping on the Shock Response of Clamped-Clamped Microbeams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an investigation into the nonlinear effect of squeeze-film damping on the response of a clamped–clamped microbeam to mechanical shock. In this work, we solve simultaneously ...
Exploration of New Concepts for Mass Detection in Electrostatically-Actuated Structures Based on Nonlinear Phenomena
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study presents an effort to explore the exploitation of dynamic instabilities and bifurcations in micro-electro-mechanical systems to realize novel methods and functionalities for mass sensing ...
An Investigation Into the Effect of the PCB Motion on the Dynamic Response of MEMS Devices Under Mechanical Shock Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present an investigation into the effect of the motion of a printed circuit board (PCB) on the response of a microelectromechanical system (MEMS) device to shock loads. A two-degrees-of-freedom ...
Nonlinear Dynamics of Electrically Actuated Carbon Nanotube Resonators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work presents an investigation of the nonlinear dynamics of carbon nanotubes (CNTs) when actuated by a dc load superimposed to an ac harmonic load. Cantilevered and clamped-clamped CNTs ...
Simulation of Squeeze-Film Damping of Microplates Actuated by Large Electrostatic Load
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present a new method for simulating squeeze-film damping of microplates actuated by large electrostatic loads. The method enables the prediction of the quality factors of microplates under a ...
Modeling the Effects of the PCB Motion on the Response of Microstructures Under Mechanical Shock
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microelectromechanical systems (MEMS) are often used in portable electronic devices that are vulnerable to mechanical shock or impact, such as that induced due to accidental drops on the ground. ...