Force system synthesis to produce a desired time response of mechanisms
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A technique and computer programs are developed which will synthesize parameters of force systems which will drive a mechanism to have a desired motion-time response and desired input-output forces. The force devices can produce linear or nonlinear forcing functions which are functions of time, pair variable position, or distance and speed between two points for one degree-of-freedom plane or spatial mechanisms. The parameters are synthesized by the use of a nonlinear programming technique to minimize the least-square-error of the generalized force. Penalty functions are used to constrain the range of the design parameters. Alternate physically realistic force systems that will drive a mechanism to have exactly the same desired motion-time response and/or input-output forces are presented. Design charts for alternate linear springs or dampers and their attachment points are developed.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.