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  4. On closed-form solutions to the position analysis of Baranov trusses
 
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On closed-form solutions to the position analysis of Baranov trusses
File(s)
MMTBaranovTrusses.pdf (568.72 KB)
Accepted version
Author(s)
Rojas, N
Thomas, F
Type
Journal Article
Abstract
The exact position analysis of a planar mechanism reduces to compute the roots of its characteristic polynomial. Obtaining this polynomial usually involves, as a first step, obtaining a system of equations derived from the independent kinematic loops of the mechanism. Although conceptually simple, the use of kinematic loops for deriving characteristic polynomials leads to complex variable eliminations and, in most cases, trigonometric substitutions. As an alternative, a method based on bilateration has recently been shown to permit obtaining the characteristic polynomials of the three-loop Baranov trusses without relying on variable eliminations or trigonometric substitutions. This paper shows how this technique can be applied to solve the position analysis of all cataloged Baranov trusses. The characteristic polynomials of them all have been derived and, as a result, the maximum number of their assembly modes has been obtained. A comprehensive literature survey is also included.
Date Issued
2011-12-16
Date Acceptance
2011-10-23
Citation
Mechanism and Machine Theory, 2011, 50, pp.179-196
URI
http://hdl.handle.net/10044/1/44741
DOI
https://www.dx.doi.org/10.1016/j.mechmachtheory.2011.10.010
ISSN
1873-3999
Publisher
Elsevier
Start Page
179
End Page
196
Journal / Book Title
Mechanism and Machine Theory
Volume
50
Copyright Statement
© 2011, Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Identifier
file://www.sciencedirect.com/science/article/pii/S0094114X11002047
Subjects
Design Practice & Management
0913 Mechanical Engineering
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