Dynamics of Scratch Drive Actuators during Stepwise Motion

Abstract:

In this paper, a comprehensive model is used to describe dynamic behavior of SDA and its components during stepwise motion. In this model, Hamilton’s principle and Newton's method are used to extract dynamic equations of the SDA plate and dynamic equation for the linear motion of SDA. Comparison between the modeling results and available experimental data shows that this model is very effective in predicting some design objectives such as step size and output force for this type of actuators.

• Periodical: Applied Mechanics and Materials (Volume 664)
• Pages: 104-110
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.664.104
• Online since: October 2014
• Authors: Mansour Abtahi*, Gholamreza Vossoughi, Ali Meghdari
• Keywords: Dynamic Modeling, LuGre Friction Model, MEMS, Scratch Drive Actuator

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