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TECHNICAL PAPERS

Kinematics Synthesis of Linkage Mechanisms With Cam Integrated Joints for Controlled Harmonic Content of the Output Motion

[+] Author and Article Information
Lifang Yuan, Jahangir S. Rastegar

Department of Mechanical Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794-2300

J. Mech. Des 126(1), 135-142 (Mar 11, 2004) (8 pages) doi:10.1115/1.1637646 History: Received June 01, 2001; Online March 11, 2004
Copyright © 2004 by ASME
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References

Yuan, L., and Rastegar J., 1999, “A Systematic Method for Optimal Integration of Smart Materials into the Structure of High Speed Mechanisms,” 1999 ASME Design Technical Conference, Las Vegas, Nevada.
Rastegar, J., and Yuan, L., 2000, “A Systematic Method for Kinematics Synthesis of High-Speed Mechanisms with Optimally Integrated Smart Materials,” 2000 ASME Design Technical Conference, Baltimore, Maryland.
Wiederrich, J. L., 1973, “Design of Cam Profiles for Systems with High Inertial Loadings,” Ph.D. dissertation, Stanford University.
Wiederrich,  J. L., and Roth,  B., 1975, “Dynamic Synthesis of Cams Using Finite Trigonometric Series,” ASME J. Eng. Ind., 97(1), pp. 287–293.
Gupta,  K. C., and Wiederrich,  J. L., 1983, “Development of Cam Profiles Using the Convolution Operator,” ASME J. Mech. Des., 105, pp. 654–657.
Chew, M., and Chuang, C. H., 1990, “Designing for Lower Residual Vibrations in High-speed Cam-follower Systems Over a Range of Speeds,” 1990 ASME Design Technical Conference, Chicago, Illinois.
Erdman, A. G., 1993, Modern Kinematics: Developments in the Last Forty Years, John Wiley and Sons, New York.
Rothbart, H. A., 1956, Cams-Design, Dynamics, and Accuracy, John Wiley and Sons, New York.

Figures

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A four-bar linkage mechanism with rigid links.
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A four-bar linkage mechanism with a cam mechanism integrated into its input to coupler links joint.
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A disk cam with radially translating roller follower.
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The four-bar linkage mechanism to be synthesized for function generation with the indicated three precision points.
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The output link motion and its harmonic content for the mechanism without the integrated cam mechanism.
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The required cam mechanism generated displacement and its harmonic content.
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The profile of the synthesized cam.
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The output link motion and its harmonic content with the integrated cam mechanism.
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The component of the force at the coupler to the output link joint B in the longitudinal direction of the output link and its harmonic content without the integrated cam mechanism.
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The component of the force at the coupler to the output link joint B in the longitudinal direction of the output link and its harmonic content with the integrated cam mechanism.
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The component of the force at the coupler to the output link joint B perpendicular to the longitudinal direction of the output link and its harmonic content without the integrated cam mechanism.
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The component of the force at the coupler to the output link joint B perpendicular to the longitudinal direction of the output link and its harmonic content with the integrated cam mechanism.
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The required contact force between the cam and the follower and its harmonic content.
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The required actuating torque and its harmonic content with the integrated cam mechanism.
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The required actuating torque and its harmonic content without the integrated cam mechanism.

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