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Micro-mechanical stages with enhanced range

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Abstract

We present concepts and an optimization-based methodology for the design of micro-mechanical stages that have not only high precision but also an enhanced range. Joint-free distributed compliant designs provide high precision and easy manufacturability at macro and micro scales. The range of motion is enhanced by using displacement-amplifying compliant mechanisms (DaCMs). The main issue addressed in this paper is how to retain the decoupling between the X and Y motions in the stage when it is equipped with DaCMs. The natural frequency of the stage is also not compromised in enhancing the range. The optimized design has 2.5 times more range than the designs reported in the literature. Furthermore, the sensitivity improved by a factor of two when the stage is optimized for an accelerometer.

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  1. M. Dinesh

    Present address: General Electric, Bangalore, India

Authors and Affiliations

  1. Indian Institute of Science, Bangalore, India

    M. Dinesh

  2. Mechanical Engineering Department, Indian Institute of Science, Bangalore, 560012, India

    G. K. Ananthasuresh

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  1. M. Dinesh
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  2. G. K. Ananthasuresh
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Correspondence to G. K. Ananthasuresh.

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An erratum to this article can be found at http://dx.doi.org/10.1007/s12572-011-0035-x

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Dinesh, M., Ananthasuresh, G.K. Micro-mechanical stages with enhanced range. Int J Adv Eng Sci Appl Math 2, 35–43 (2010). https://doi.org/10.1007/s12572-010-0014-7

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  • DOI: https://doi.org/10.1007/s12572-010-0014-7

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