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Modelling of a Turning Process Using the Gravitational Search AlgorithmHrelja, Marko ...This paper proposes the modelling of a turning process using a gravitational search algorithm (GSA). GSA is an optimization algorithm based on Newton's law of universal gravitation and mass ... interactions. In order to sufficiently describe the turning process, at least three independent variables are required: cutting speed, feed-rate, and cutting depth. Independent variables have impacts on dependent variables, which were in our case cutting force, surface roughness, and tool-life. The values of independent and dependent variables obtained by measurements serve as a knowledge database for feeding the GSA optimization process. During our research the GSA was used for optimizing the numerical coefficients of predefined polynomial models for describing the observed output variables. The accuracies of the obtained prediction models were proved by means of a testing data set that was excluded from the training data. The research showed that the obtained results were comparable with the other optimization algorithms such as particle swarm optimization (PSO). However, the optimization time required for GSA optimization was, in certain cases, significantly shorter.Source: International journal of simulation modelling. - ISSN 1726-4529 (Vol. 13, iss. 1, Mar. 2014, str. 30-41)Type of material - article, component part ; adult, seriousPublish date - 2014Language - englishCOBISS.SI-ID - 17680662
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source: International journal of simulation modelling. - ISSN 1726-4529 (Vol. 13, iss. 1, Mar. 2014, str. 30-41)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Hrelja, Marko | 33257 |
Klančnik, Simon | 29571 |
Balič, Jože | 04011 |
Brezočnik, Miran | 12657 |
Source: Personal bibliographies
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