INFORMATION TECHNOLOGY OF PARAMETRIC OPTIMIZATION OF MODES OF AUTOMATED LASER WELDING IN CONDITIONS OF UNCERTAINTY
DOI:
https://doi.org/10.24025/2306-4412.1.2021.230591Keywords:
laser, constructions, uncertainty conditions, graphoanalytical method, parametric optimizationAbstract
In this work, the problem of increasing the efficiency of information technology of parametric optimization under conditions of uncertainty for the modes of the process of automated laser welding of thin-walled steel structures is solved. Positive results have been achieved through the development of a specialized information database based on the results of experimental research. An information technology has been created for the analytical description of functional dependencies between the width of the weld and the speed of movement of the modulated laser radiation relative to the workpiece being processed at a constant radiation power; between the width of the weld and the laser radiation power at a constant motion speed. Mathematical models of spline functions contribute to the automation of computational procedures, which reduces the time for determining the parameters for the laser welding mode and the
amount of memory in the control microprocessor. The principle of decision-making for parametric optimization in conditions of uncertainty on the basis of the developed graph-analytical method is proposed. The method uses a graphic representation of spline functions built in a single quadrant with a common abscissa, the values of which correspond to the values of the weld. Coordinates of the point of intersection of functional dependencies on ordinates and abscissa determine the corresponding optimal parameters of the automated laser welding mode. Visualization of the principle of parametric optimization in conditions of uncertainty accelerates the process of technological preparation of production, which contributes to an increase in the productivity of the enterprise.
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