Dynamics of High-Speed Cam-Driven Mechanisms—Part 2: Nonlinear System Models

[+] Author and Article Information
F. Y. Chen

Department of Mechanical Engineering, Ohio University, Athens, Ohio

N. Polvanich

Department of Mechanical Engineering, University of Washington, Seattle, Wash.

J. Eng. Ind 97(3), 777-781 (Aug 01, 1975) (5 pages) doi:10.1115/1.3438674 History: Received May 22, 1974; Online July 15, 2010


The dynamic responses of the cam-driven mechanism are investigated, based on a non-linear lumped system model. The nonlinearity is an energy-dissipating element which consists of viscous, quadratic, Coulomb and static frictions combined. The nonlinear equation of motion of a single degree of freedom is first analyzed using a numerical method and the results of time responses are presented and characterized in the phase-plane. The primary and residual shock response spectra in nondimensional form for a number of typical cam input excitations are presented and compared with those of the associated linear cases.

Copyright © 1975 by ASME
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