Dec 15, 2019   3:03 a.m. Ivica
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prof. Ing. Miroslav Fikar, DrSc.
Identification number: 3374
University e-mail: miroslav.fikar [at]
Rektor - Vedenie STU (REKP REK)
Profesor DrSc. - Department of Information Engineering and Process Control (IIEAM FCFT)
Director - Department of Information Engineering and Process Control (IIEAM FCFT)
Chancellor - Slovak university of technology in Bratislava
External colleague - Institute of Applied Informatics, Automation and Mechatronics (MTF)

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Basic information

Basic information about a final thesis

Type of thesis: Diploma thesis
Thesis title:Optimal control of processes in chemical technology
Written by (author): Ing. Daniela Pakšiová
Department: Institute of Information Engineering, Automation and Mathematics (FCFT)
Thesis supervisor: prof. Ing. Miroslav Fikar, DrSc.
Opponent:doc. Ing. Radoslav Paulen, 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:English

Slovak        English

Title of the thesis:Optimal control of processes in chemical technology
Summary:This work deals with membrane separation processes, their modelling and optimal control. A self-optimizing control is introduced, a method proposed by Johannes Jäschke (NTNU, Norway) to control heat exchanger network by controlling "Jäschke temperatures". This type of self-optimizing control is applied to control membrane processes, specifically membrane contactor network. This network consists of a stream split into several branches where each branch passes through one or more membrane contactors. The Jäschke temperatures are defined for each branch, and the optimal controlled variable is the difference between Jäschke temperatures of each branch. By controlling difference of Jäschke temperatures a near-optimal condition is achieved, where there is no need for optimization to find the optimal set-points for the controlled variables. The aim of this work is modelling a membrane contactor network and its optimal control to achieve maximum separation and to confront the results obtained from using the Jäschke temperature to the ones from optimization and NTU method.
Key words:Self-optimizing Control, Membrane Process Network, Optimal Control, Membrane Contactor Network

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