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Optimum Design of a Compliant Uniaxial Accelerometer

[+] Author Affiliations
Simon Desrochers, Jorge Angeles, Damiano Pasini

McGill University, Montreal, QC, Canada

Paper No. DETC2008-49915, pp. 351-360; 10 pages
doi:10.1115/DETC2008-49915
From:
  • ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 32nd Mechanisms and Robotics Conference, Parts A and B
  • Brooklyn, New York, USA, August 3–6, 2008
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4326-0 | eISBN: 0-7918-3831-5
  • Copyright © 2008 by ASME

abstract

This work focuses on the multi-objective optimization of a compliant-mechanism accelerometer. The method is used to optimally design an accelerometer with the architecture of a novel version of the Sarrus mechanism. The purpose is to maximize the sensitivity of the accelerometer in its sensing direction, while minimizing its sensitivity in all other directions. The paper starts with a brief description of the dynamics model of the compliant mechanism, followed by the formulation of the a posteriori multi-objective optimization. By using the normalized constrained method, an evenly distribution of the Pareto frontier is found. The paper also provides several optimum solutions on a Pareto plot, as well as the CAD model of the selected solution.

Copyright © 2008 by ASME

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