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Uporaba nevronskih mrež in genetskih algoritmov pri modeliranju in prediktivnem vodenju procesov : doktorsko deloPotočnik, Primož, 1969-Nevronske mreže so učinkovito orodje za eksperimentalno modeliranje nelinearnih procesov. Genetski algoritmi so preiskovalna metoda, ki je uporabna za reševanje zahtevnih optimizacijskih problemov. ... Različne vrste predobdelave podatkov, predvsem izbire in izpeljave značilk, povežemo z nevronskimi mrežami v celovit postopek modeliranja procesov. Na podlagi preiskovanja z genetskim algoritmom vpeljemo nov način izbire informativnih podatkov, ki jih vključimo pri izgradnji modela. Izdelano metodologijo modeliranja uporabimo pri analizi industrijskih šaržnih fermentacijskih procesov, namenjenih proizvodnji antibiotikov, in pri hibridnem modeliranju sinteze metanola. Prediktivno vodenje označuje različne strategije vodenja, ki uporabljajo model za napovedovanje prihodnjih stanj procesa in s sprotno optimizacijo izračunavajo krmilne signale. Na podlagi nevronske mreže za modeliranje procesa in genetskega algoritma za izračun krmilnih tirnic izdelamo shemo nelinearnega prediktivnega vodenja. V shemo vključimo krmilnik, ki je izdelan kot nevronska mreža in je namenjen izboljšanju učinkovitosti vodenja ter po končanem učenju avtonomnemu vodenju procesa. Za optimizacijo krmilnih tirnic izpeljemo specialne operatorje genetskega algoritma, ki upoštevajo različne procesne omejitve. Izdelano shemo uporabimo za simulacijo prediktivnega vodenja kompleksnega nelinearnega rezalnega procesa in pokažemo, kako je mogoče s krmiljenjem nosilca orodja učinkovito izboljšati kakovost obdelave.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [P. Potočnik], 1999Language - slovenianCOBISS.SI-ID - 3327259
Author
Potočnik, Primož, 1969-
Other authors
Grabec, Igor
Topics
eksperimentalno modeliranje |
prediktivno vodenje |
nevronske mreže |
genetski algoritmi |
izbira značilk |
biokemijski procesi |
fermentacijski procesi |
sinteza metanola |
rezalni procesi |
disertacije
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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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Potočnik, Primož, 1969- | 15107 |
Grabec, Igor | 00800 |
Source: Personal bibliographies
and: SICRIS
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