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A unified control strategy for flight control actuators
Citation Link: https://doi.org/10.15480/882.235
Publikationstyp
Conference Paper
Date Issued
1998
Sprache
English
Institut
TORE-DOI
Citation
Recent Advances in Aerospace Hydraulics, November 24–25, 1998, Toulouse, France
Analyzing the structure of an aircraft’s electrohydraulic actuation system, the traditional realization of the closed–loop system shows a considerable limitation of dynamics. Enhanced control concepts like state control enable a remarkable improvement. Gradually, the outlined descriptive design procedure leads to a robust sampled–data controller, which automatically manages the parameter uncertainties and finite wordlength effects, occuring in low hardware performances or with rapid sampling. These considerations are verified by extensive simulations and real tests. Finally, a conceivable application is presented regarding to the interaction of actuator dynamics and the flexible structure of an airfoil.
Subjects
Primary flight control system
hydraulic actuator
sampled data control
robust control
parameter space design
delta-transformation
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