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Observer‐based synthesis of linear parameter‐varying mixed sensitivity controllers (2020)
Journal Article
Theis, J., & Pfifer, H. (2020). Observer‐based synthesis of linear parameter‐varying mixed sensitivity controllers. International Journal of Robust and Nonlinear Control, 30(13), 5021-5039. https://doi.org/10.1002/rnc.5038

This article presents a computationally efficient way of synthesizing linear parameter‐varying (LPV) controllers. It reviews the possibility of a separate observer and state feedback synthesis with guaranteed performance and shows that a standard mix... Read More about Observer‐based synthesis of linear parameter‐varying mixed sensitivity controllers.

Robust Modal Damping Control for Active Flutter Suppression (2020)
Journal Article
Theis, J., Pfifer, H., & Seiler, P. (2020). Robust Modal Damping Control for Active Flutter Suppression. Journal of Guidance, Control, and Dynamics, 43(6), 1056-1068. https://doi.org/10.2514/1.g004846

Flutter is an unstable oscillation caused by the interaction of aerodynamics and structural dynamics. It is current practice to operate aircraft well below their open-loop flutter speed in a stable flight regime. For future aircraft, weight reduction... Read More about Robust Modal Damping Control for Active Flutter Suppression.

A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System (2018)
Journal Article
Tochev, E., Pfifer, H., & Ratchev, S. (2018). A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System. IFAC papers online, 51(11), 1287-1292. https://doi.org/10.1016/j.ifacol.2018.08.355

This paper is intended to provide a comparison of a centralised scheduling system, a simple Multi-Agent System (MAS), and a Mixed Integer Linear Programming (MILP) formulation. The systems are tested on a simulation of a small scale flexible job shop... Read More about A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System.