Kinematics

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Burmester Synthesis for 4-Bar Linkages on a Microcomputer CAD System Burmester Synthesis for 4-Bar Linkages on a Microcomputer CAD System

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Date added: 12/01/1987
Date modified: 12/05/2012
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This paper presents a microcomputer based system for solving Burmester synthesis
problems for four-bar linkages. A popular micro-CAD software system (AUTOCAD) is used as the working environment. The synthesis process is automated by the use of new functions added through AUTOCAD's programming facility. Circle-point and center-point curves are generated for four positions.  Branch defects are avoided by use of automated graphical constructions for both 3 and 4 positions. Example problems are shown to demonstrate the use of the program for both 3 and 4 positions.

Computer Graphics Technique...Synthesis and Animation of 4-Bar Linkages...Coupler Curves with Cusps Computer Graphics Technique...Synthesis and Animation of 4-Bar Linkages...Coupler Curves with Cusps

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Date added: 01/01/1986
Date modified: 12/05/2012
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This paper presents a micro-computer based synthesis technique for the synthesis and animation of four-bar linkages having coupler curves with two cusps. A computer program is developed here for use on an IBM compatible personal computer. This program provides a means of integrating kinematic synthesis and computer graphics. The method provides a means for the designer to design a linkage and view the design in animated motion. The capabilities of the program include analysis of the designed linkage and plotting of the trajectory of the desired coupler path. The program is also extended to include the design and animation of adjustable linkage mechanisms for variable coupler curves with cusps. Examples are presented to illustrate the use of the proposed computer techniques.

Design of 4-R Spherical Function Generator with Transmission Effectiveness by Curve Matching Design of 4-R Spherical Function Generator with Transmission Effectiveness by Curve Matching

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Date added: 09/19/1983
Date modified: 05/18/2010
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This paper presents a greatly expanded set of computer solution curves for use in deSigning the four-revolute spherical function generators. These solution curves also provide a means of approximating transmissin angles. A description of the original method is included for determining the link dimensions of the spherical four-revolute linkage. This is accomplished by matching a plot of the desired function with curves derived from computer solutions of the displacement equation relating input and output angles of the linkage. The set of curves presented here is large enough for practical use. An example application is also provided.

Design of RSSR Function Generator by Curve Matching Design of RSSR Function Generator by Curve Matching

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Date added: 07/11/1984
Date modified: 05/18/2010
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This paper presents a set of computer solution curves for use in designing the RSSR mechanism for function generation. The link dimensions of the RSSR mechanism are obtained by matching a plot of the desired function with curves derived from computer solutions of the displacement equation relating input and output angles of the linkage. The curve matching method is illustrated with the help of an example problem. An accuracy check is made on the linkage designed by the above method.

Design of Spatial Linkage for Function Generation by Curve Matching (ABSTRACT) Design of Spatial Linkage for Function Generation by Curve Matching (ABSTRACT)

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Date added: 12/01/1984
Date modified: 12/05/2012
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Downloads: 718

This thesis presents sets of computer solution curves for use in designing spatial function generating linkages. Two spatial linkages are studied: the four-revolute spherical mechanism and the R-S-S-R mechanism. The solution curves for the spherical mechanism also provide a means of approximating transmission angles. The linkages are designed by matching a plot of the desired function with curves derived from computer solutions of the displacement equation relating input and output angles. The set of curves presented here is large enough for practical use. Example applications are presented.