May 26, 2019   10:08 a.m. Dušan
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Ing. Juraj Kapusta, PhD.


Basic information

Basic information about a final thesis

Type of thesis: Dissertation thesis
Thesis title:Numerical modeling and control of progressive steel billet induction heater as distributed parameter system
Written by (author): Ing. Juraj Kapusta, PhD.
Department: Institute of automation, measurement and applied informatics (FME)
Thesis supervisor: prof. Ing. Gabriel Hulkó, DrSc.
Opponent 1:doc. Ing. Anton Kachaňák, CSc.
Opponent 2:prof. Ing. Vladimír Bobál, CSc.
Final thesis progress:Final thesis was successfully defended.

Additional information

Additional information about the final thesis follows. Click on the language link to display the information in the desired language.

Language of final thesis:English

Slovak        English

Title of the thesis:Numerical modeling and control of progressive steel billet induction heater as distributed parameter system
Summary:Induction heating represents industrial technology which is often used in domestic and international metalworking industry. Regarding the energy consumption, the induction technology is reaching the highest consumption when used for steel work pieces heating during forging and for steel melting. Nowadays the process control of induction heaters used in domestic steel production is often based on a table of values or simplified empirical knowledge. Thesis objective is to offer progressive solution for control of induction heating process which includes the latest trends in this field. Software environments for numerical modeling based on finite element method are the integral part of optimal mechanical design and realization of many industrial plants and processes. Development of modular induction heaters is the clear evidence of progress in the field of industrial induction heating. They offer implemented software tools which are utilized directly for optimal heating regime setup. In the thesis problems of numerical modeling and control of steel billet induction heating processes prior to forging are formulated and solved by lumped-input and distributed-parameter-output systems. Calculated dynamical characteristics were used for control circuit design in MATLAB & Simulink environment using the DPS Blockset toolbox. Simulated control tasks were based on real-life situations which are typical during forging production. These tasks were then solved and control characteristics were obtained. Final results were validated and consulted with academic experts but also with both induction heater user and developer -- the companies HKS Forge Ltd., Slovakia and Roboterm Ltd., Czech Republic.
Key words:computer modeling , control, distributed parameter systems, induction heating

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