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Design och implementering av styrlagar för generisk flygplansmodell
Linköping University, Department of Electrical Engineering.
Linköping University, Department of Electrical Engineering.
2002 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Design and implementation of control laws for a generic aircraft model (English)
Abstract [en]

For research purposes Saab has developed a generic mathematical model denoted VEGAS of an aircraft with a configuration similar to JAS 39 Gripen. Today parts of Gripen backup control system are used also for VEGAS making the system subject to both corporate and defense secrecy.

The main objective of this master thesis is to design, verify and implement public pitch axis flight control system for VEGAS. Furthermore, simplifications regarding the design process is to be examined.

Design of pitch axis flight control system for the entire flight envelope has been carried out. Linearization of the dynamic model and programming design environment are used as development tools. The control system has been tested and verified in real-time simulator.

Linear quadratic optimization (LQ) and gain-scheduling are often used when designing aircraft control system. This method tends to require extensive design effort. This thesis suggests an alternative method combining LQ and scaling of parameters.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 108 p.
LiTH-ISY-Ex, 3298
Keyword [en]
Reglerteknik, LQ, Gain-scheduling, Aircraft Control, VEGAS, parameterstyrning, flygteknik
Keyword [sv]
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-1359OAI: diva2:18682
Available from: 2002-09-23 Created: 2002-09-23

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