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OPTIMIZATION DESIGN FOR THE STRUCTURE (结构的优化设计)
U.P.B. Sci. Bull., Series D, Vol. 72, Iss. 4, 2010 ISSN 1454-2358
OPTIMIZATION DESIGN FOR THE STRUCTURE OF AN
RRR TYPE INDUSTRIAL ROBOT
Adrian GHIORGHE1
Articolul de faţă prezintă o metodologie de determinare a valorilor optime
pentru variabilele de proiectare considerând criteriul reducerii de material din
structura robotului industrial prin aplicarea un algoritm de optimizare structuralăşi
topologică. Această analiză bazată pe metoda elementelor finite constă în realizarea
modelului parametrizat considerând mărimile geometrice ca variabile de proiectare
pentru care se impun condi ţii restrictive în vederea construirii funcţiei obiectiv. Prin
rularea recursivă a analizei MEF, variind valorile variabilelor de proiectare se
evaluează variabilele de proiectare în vederea determinării unei configuraţii
optimizate din punct de vedere al funcţiei obiectiv.
The current paper shows a methodology to determine the optimum values for
the design parameters considering the criteria of reducing the material used to build
the structure of industrial robot, using an structural optimization and topology
algorithm. This analysis is based on the finite element method(FEM) and consists in
completion of the design model using the dimensional data as parametri design
variables to whom restriction conditions have been applied in order to achieve the
object function. A recurrent FEM analysis using different parameters for the design
variables was applied in order to assess an optimum composition of the object
function.
Keywords: optimization, FEM analysis, topology, robot, struct
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