2017
DOI: 10.1515/afe-2017-0102
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Approximation of Ausferrite Content in the Compacted Graphite Iron with the Use of Combined Techniques of Data Mining

Abstract: This article presents the methodology for exploratory analysis of data from microstructural studies of compacted graphite iron to gain knowledge about the factors favouring the formation of ausferrite. The studies led to the development of rules to evaluate the content of ausferrite based on the chemical composition. Data mining methods have been used to generate regression models such as boosted trees, random forest, and piecewise regression models. The development of a stepwise regression modelling process o… Show more

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Cited by 6 publications
(3 citation statements)
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“…In the PSO model, the solution of each optimization problem is the state of a ''particle'' in the search space. Each particle has a fitness value (fitness value), determined by the optimized function and a velocity that determines the direction and distance of their flight [24]. Particles can be dynamically adjusted according to their own flight experience and that of their peers, which can be said to update themselves by tracking two positions [25].…”
Section: Improved Pso Algorithm a Particle Swarm Optimizationmentioning
confidence: 99%
See 1 more Smart Citation
“…In the PSO model, the solution of each optimization problem is the state of a ''particle'' in the search space. Each particle has a fitness value (fitness value), determined by the optimized function and a velocity that determines the direction and distance of their flight [24]. Particles can be dynamically adjusted according to their own flight experience and that of their peers, which can be said to update themselves by tracking two positions [25].…”
Section: Improved Pso Algorithm a Particle Swarm Optimizationmentioning
confidence: 99%
“…If the maximum and minimum values of variables are X max and X min , respectively. And the actual limits of the network are A max and A min , the variables X can be transformed by the following formula: (24) In which,…”
Section: Experimental Data Preprocessingmentioning
confidence: 99%
“…Nkonyana et al [14] evaluated the predictive methods based on data ming compare to classical predictive methods. The data mining technique is also used for effects of different parameters in a different process, Wilk-Kołodziejczyk et al [15] used the data mining technique to investigate the process effect on the austempered ductile iron, and Regulski [16] used the data mining technique to explore the formation of ausferrite in compacted graphite iron. Effective parameters in the bondvalence model are also studied by Zheng et al [17] With the help of the data mining technique.…”
Section: Introductionmentioning
confidence: 99%