Predicting the effects of dimensional and material stiffness variations on a compliant bistable microrelay performance

Ghanbari, Ali orcid iconORCID: 0000-0003-1087-8426 and Bahrami, Mohsen (2006) Predicting the effects of dimensional and material stiffness variations on a compliant bistable microrelay performance. Journal of Physics: Conference Series, 34 (138). pp. 834-839. ISSN 1742-6588

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Official URL: https://doi.org/10.1088/1742-6596/34/1/138

Abstract

In this paper we investigate the effects of dimensional and material stiffness variations on a microrelay performance. A linear displacement bistable micromechanism is modelled by pseudo-rigid-body model method and fully characterized. To find the effects of dimensional and material stiffness variation, an analysis of mechanical error is used. The method is a stochastic one and takes into account the random nature of variations. Variations of the contact force and required power of a microrelay example is obtained by the method introduced and the performance of the microrelay is determined. The method introduced is a simple, effective and general that may be used at the design level.


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