Feed-forward dynamic stall control model

David R. Williams, David Greenblatt, Hanns Müller-Vahl, Srimanta Santra, Florian Reißner

Research output: Contribution to journalArticlepeer-review


Measurements of the lift coefficient history obtained from a NACA 0018 airfoil undergoing pitching maneuvers with blowing-type active flow control were used to obtain low-dimensional models for control. Disturbance models for the lift response to pitching at different steady-state blowing amplitudes were identified based on a variation of the Goman-Khrabrov model. A plant model for the lift response to sinusoidal blowing amplitude had the form of a time-delay system. The models were used to design a feed-forward controller. The ability of the controller to compensate for lift oscillations during pitching maneuvers was evaluated using a Simulink® model.

Original languageEnglish
Pages (from-to)608-615
Number of pages8
JournalAIAA Journal
Issue number2
StatePublished - 2019
Externally publishedYes


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