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Title: Design and analysis of microelectromechanical (MEMS) vibration isolator
Authors: Rohit Singh.
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2012
Abstract: With continued miniaturization of electronic components and the need for reduction in costs, Microelectromechanical systems (MEMS) have attracted the interest of electronics industries for many years. The application of the modern technology of MEMS oscillators to replace the traditional Quartz-based oscillators, has given a new direction to electronic timed applications. Providing low cost and high reliability at large volumes for the consumer electronic market has been a target for MEMS industries since the last decade. The wide application of MEMS oscillators causes them to commonly encounter various environments with high frequency mechanical noise and shock. The project’s primary focus is to design, model and analyse Vibration Isolators for MEMS oscillators to protect the oscillators from the threatening vibrations and shocks. The design process is undertaken using Computer Aided Design (CAD) software – Solidworks™. The analysis is conducted using two methods: the analytical method utilizing conventional theory and formulae, and Finite Element Analysis (FEA) method using the software – ANSYS™ Workbench. Both methods aim at finding the most relevant parameters to describe the performance of the vibration isolators. These parameters include the spring constant, natural damped frequency and the effective vibration isolation region. A comparison is made between the results from the two methods to conclude on the accuracy and precision of the methods. In addition, the impact of the design shape and size on the key parameters of the vibration isolators will be examined and noted.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:MAE Student Reports (FYP/IA/PA/PI)

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