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Robust Control of Small Turbojet Engines

1
Technical University of Košice, Faculty of Aeronautics, Rampová 7, 041 21 Košice, Slovakia
2
Department of Aeronautics, Naval Architecture and Railway Vehicles, Faculty of Transport Engineering, Budapest University of Technology and Economics, H-1521 Budapest, P.O.B. 91, Hungary
*
Author to whom correspondence should be addressed.
Machines 2019, 7(1), 3; https://doi.org/10.3390/machines7010003
Received: 2 October 2018 / Revised: 14 December 2018 / Accepted: 17 December 2018 / Published: 4 January 2019
(This article belongs to the Special Issue Advanced Control Systems and Optimization Techniques)
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PDF [5590 KB, uploaded 4 January 2019]
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Abstract

Modern turbojet engines mainly use computerized digital engine control systems. This opens the way for application of advanced algorithms aimed at increasing their operational efficiency and safety. The theory of robust control is a set of methods known for good results in complex control tasks, making them ideal candidates for application in the current turbojet engine control units. Different methodologies in the design of robust controllers, utilizing a small turbojet engine with variable exhaust nozzle designated as iSTC-21v, were therefore investigated in the article. The resulting controllers were evaluated for efficiency in laboratory conditions. The aim was to find a suitable approach and design method for robust controllers, taking into account the limitations and specifics of a real turbojet engine and its hardware, contrary to most studies which have used only simulated environments. The article shows the most effective approach in the design of robust controllers and the resulting speed controllers for a class of small turbojet engines, which can be applied in a discrete digital control environment. View Full-Text
Keywords: turbojet engine; robust control; iSTC-21v; discrete control; advanced control turbojet engine; robust control; iSTC-21v; discrete control; advanced control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Andoga, R.; Főző, L.; Kovács, R.; Beneda, K.; Moravec, T.; Schreiner, M. Robust Control of Small Turbojet Engines. Machines 2019, 7, 3.

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