Partially compliant mechanisms inherit the attributes of fully compliant and rigid-body linkages and offer simpler, compact design alternatives to accomplish complex kinematic tasks such as tracing large nonsmooth paths. This paper describes qualitative and quantitative criteria that can be employed to select the linkage configuration. The proposed criteria are categorized as general or specific. General criteria pertain to often-used kinematic attributes whereas specific criteria address the application at hand. The veracity and viability of each mechanism are evaluated with respect to compactness, design simplicity, static and dynamic failure, number of rigid-body joints, relative ease of fabrication, and other relevant criteria. Three decision-making techniques, namely, Pugh decision matrix, analytic hierarchy process, and a variant of the Pugh decision matrix are used to perform the evaluation. An example of a displacement-delimited gripper with a prescribed large nonsmooth path is used to illustrate linkage selection.
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September 2011
Research Papers
How to Choose From a Synthesized Set of Path-Generating Mechanisms
Ashok Kumar Rai,
Ashok Kumar Rai
Sr. Software Engineer Aon Hewitt, Techbolevard Tower A, Sector 127, Noida 201304,
e-mail: rai284@gmail.com
India
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B. V. S. Nagendra Reddy
B. V. S. Nagendra Reddy
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Sujitkumar V. Naik
Anupam Saxena
Ashok Kumar Rai
Sr. Software Engineer Aon Hewitt, Techbolevard Tower A, Sector 127, Noida 201304,
India
e-mail: rai284@gmail.com
B. V. S. Nagendra Reddy
J. Mech. Des. Sep 2011, 133(9): 091009 (11 pages)
Published Online: September 15, 2011
Article history
Received:
September 15, 2010
Revised:
June 16, 2011
Accepted:
July 18, 2011
Online:
September 15, 2011
Published:
September 15, 2011
Citation
Naik, S. V., Saxena, A., Rai, A. K., and Reddy, B. V. S. N. (September 15, 2011). "How to Choose From a Synthesized Set of Path-Generating Mechanisms." ASME. J. Mech. Des. September 2011; 133(9): 091009. https://doi.org/10.1115/1.4004608
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