Linear parameter varying techniques applied to aeroservoelastic aircraft: In memory of gary balas

Harald Pfifer, Claudia P. Moreno, Julian Theis, Aditya Kotikapuldi, Abhineet Gupta, Bela Takarics, Peter Seiler

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


This paper presents an overview of Dr. Gary Balas research activities in linear, parameter- varying (LPV) systems applied to aeroservoelastic (ASE) aircraft. More efficient aircraft can be designed by reducing weight and structure in the wings and fuselage. This makes the aircraft more flexible leading to increased ASE effects. Such ASE aircraft can be modeled as a linear parameter varying (LPV) system with an arbitrary, i.e. not necessarily rational, dependence on the scheduling parameters. The system involves coupling of the aircraft structural dynamics and aerodynamics thus resulting in large state dimension. This large dimension necessitates special approaches to modeling, order reduction and control design. The paper describes the process of designing an LPV controller for flutter suppression of a flexible unmanned aircraft starting from the nonlinear equation of motions for the vehicle.

Original languageEnglish (US)
Pages (from-to)103-108
Number of pages6
Issue number26
StatePublished - 2015

Bibliographical note

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  • Aerospace
  • Diagnosis and control of lpv systems

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