A restatement of the optimum synthesis of function generators with planar four-bar and slider-crank mechanisms examples
by P.A. Simionescu
International Journal of Mechanisms and Robotic Systems (IJMRS), Vol. 3, No. 1, 2016

Abstract: The problem of optimum synthesising of a mechanism to best approximate a function, while simultaneously ensuring good motion transmission characteristics is discussed. Distinction is made between the design variables that determine the shape of the input-output (I/O) function of the mechanism, and the design variables that affect the degree of overlap between this I/O function and the function to be mechanised, through scaling, mirroring and rotations in 90º increments. Examples are given of designing the planar four-bar and slider-crank linkages of a logarithmic scale, and that of a tangent-function generator. These are performed on modified mechanisms with an added degree-of-freedom, which substantially simplify the synthesis problem.

Online publication date: Sat, 18-Jun-2016

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