Classical Control Design Feasibility Study with BFF Models

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WP-1439-2_BFF Classical Controller Design Feasibility Test_v3_distrib.pdf (1.52 MB)

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https://hdl.handle.net/11299/174378

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Classical Control Design Feasibility Study with BFF Models

Authors

Lee, Dongchan

Danowsky, Brian

Published Date

2014-11-18

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Type

Working Paper

Abstract

This working paper documents an initial control feasibility study to determine if classical control techniques could be utilized to favorably augment the stability of the BFF vehicle. This study focused on the lower speed models which have stable, or slightly unstable aeroelastic dynamics. Future studies will explore the higher speed models with highly unstable aeroelastic modes. The final control solution will incorporate stability augmentation with aeroelastic suppression, including flutter suppression to stabilize the vehicle beyond the flutter boundary. The principal goal is a defined strategy, process and supporting software tools to develop a full envelope controller for flexible aeroelastic vehicles with significant rigid body and flexible coupling. Focus will be on blended wing-body vehicle designs like the BFF and X-56A. The purpose of this study is a background feasibility investigation.

Keywords

Classical Control Techniques

Body Freedom Flutter

Aeroelastic

Rigid Body Flexible Coupling

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Presentations and Working Papers

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STI WP;1439-2

Funding information

NASA NRA, "Lightweight Adaptive Aeroelastic Wing for Enhanced Performance Across the Flight Envelope," NRA NNX14AL36A, Mr. John Bosworth Technical Monitor.

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Lee, Dongchan; Danowsky, Brian. (2014). Classical Control Design Feasibility Study with BFF Models. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/174378.

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