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TECHNICAL BRIEFS

A Pseudo-Rigid-Body Model for Initially-Curved Pinned-Pinned Segments Used in Compliant Mechanisms

[+] Author and Article Information
Brian T. Edwards, Brian D. Jensen, Larry L. Howell

Mechanical Engineering Department, Brigham Young University, Provo, UT 84602

J. Mech. Des 123(3), 464-468 (Jun 01, 1999) (5 pages) doi:10.1115/1.1376396 History: Received June 01, 1999
Copyright © 2001 by ASME
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References

Shoup,  T. E., and McLarnan,  C. W., 1971, “A Survey of Flexible Link Mechanisms Having Lower Pairs,” J. Mec., 6, No. 3, pp. 97–105.
Ananthasuresh,  G. K., and Kota,  S., 1995, “Designing Compliant Mechanisms,” Mech. Eng. (Am. Soc. Mech. Eng.), 117, No. 11, pp. 93–96.
Howell,  L. L., and Midha,  A., 1994, “A Method for the Design of Compliant Mechanisms with Small-Length Flexural Pivots,” ASME J. Mech. Des., 116, No. 1, pp. 280–290.
Howell,  L. L., and Midha,  A., 1995, “Parametric Deflection Approximations for End-Loaded, Large-Deflection Beams in Compliant Mechanisms,” ASME J. Mech. Des., 117, No. 1, pp. 156–165.
Howell, L. L., and Midha, A., 1996, “Parametric Deflection Approximations for Initially Curved, Large-Deflection Beams in Compliant Mechanisms,” Proceedings of the 1996 ASME Design Engineering Technical Conferences, 96-DETC/MECH-1215.
Edwards, B. T., 1996, “Functionally Binary Pinned-Pinned Segments,” MS Thesis, Brigham Young University, Provo, UT.
Bisshopp,  K. E., and Drucker,  D. C., 1945, “Large Deflection of Cantilever Beams,” Q. Appl. Math., 3, No. 3, pp. 272–275.
Frisch-Fay, R., 1962, Flexible Bars, Butterworth, Washington, D.C.
Edwards, B. T., Jensen, B. D., and Howell, L. L., 1999, “A Pseudo-Rigid-Body Model for Functionally Binary Pinned-Pinned Segments Used in Compliant Mechanisms,” Proceedings of the 1999 Design Engineering Technical Conferences, DETC99/DAC-8644.
Rao, S. S., 1984, Optimization: Theory and Applications, Wiley Eastern Limited, New Delhi.
Norton, T. W., 1991, “On the Nomenclature and Classification, and Mobility of Compliant Mechanisms,” M.S. Thesis, Purdue University, West Lafayette, Indiana.
Howell,  L. L., Midha,  A., and Norton,  T. W., 1996, “Evaluation of Equivalent Spring Stiffness for Use in a Pseudo-Rigid-Body Model of Large-Deflection Compliant Mechanisms,” ASME J. Mech. Des., 118, No. 1, pp. 126–131.

Figures

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A functionally binary pinned-pinned (FBPP) segment
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Half-model of FBPP segment
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Non-dimensionalized tip deflection at various κ0 values
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PRBM in deflected position
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PRBM for entire FBPP segment
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Force-deflection relationship at various κ0

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