Dec 11, 2019   12:28 p.m. Hilda
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prof. Ing. Milan Žalman, PhD.
Identification number: 4928
University e-mail: milan.zalman [at]
External colleague - Institute of Applied Informatics, Automation and Mechatronics (MTF)
External colleague - Faculty of Electrical Engineering and Information Technology (STU)

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Basic information

Basic information about a final thesis

Type of thesis: Dissertation thesis
Thesis title:Nonlinear control of AC drives for energy-beam CNC cutting machines
Written by (author): Ing. Igor Škrlec, PhD.
Department: Institute of Robotics and Cybernetics (FEEIT)
Thesis supervisor: prof. Ing. Milan Žalman, PhD.
Opponent 1:prof. Ing. Boris Rohaľ-Ilkiv, CSc.
Opponent 2:prof. Ing. Ján Vittek, PhD.
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:Slovak

Slovak        English

Title of the thesis:Nonlinear control of AC drives for energy-beam CNC cutting machines
Summary:The work contains an overiew of the state-of-the-art in the field of non-linear control of servodrives with induction motors. It comprises analysis and synthesis of a non-linear control algorithm of speed and flux control of induction motor intended for applications in motion control systems of energy-beam CNC cutting machines. The control algorithm is designed using input-output linearization method. The information about machine state vector is acquired from a full-order nonlinear Luenberger observer. Properties of the system are verified by a series of simulation experiments. The results confirm that the proposed approach allows to meet requirements and limitations following from applied cutting technology.
Key words:induction motor, nonlinear control, input-output linearization, Luenberger state observer, energy-beam CNC cutting machine

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Parts of thesis with postponed release:

Final thesis (final thesis appendices) unlimited
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