Aeroelastic control of composite lifting surfaces in compressible flow

Kwang Sub Bong; Liviu Librescu; Zhanming Qin; Gwon Chan Yoon; Piergiovanni Marzocca; Sungsoo Na

Aeroelastic control of composite lifting surfaces in compressible flow

Kwang Sub Bong, Liviu Librescu, Zhanming Qin, Gwon Chan Yoon, Piergiovanni Marzocca, Sungsoo Na

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The dynamic aeroelastic response and its robust control of aircraft wings modeled as anisotropic composite thin-walled beams in compressible flow and exposed to gust and explosive type loads are examined. The structural model incorporates a number of non-classical effects, such as transverse shear, material anisotropy, warping inhibition, and rotatory inertia. The unsteady compressible aerodynamics for arbitrary small motion in the time domain is based on the concept of indicial functions. The study is carried out via implementations of the Linear Quadratic Gaussian (LQG) control methodology with sliding mode observer. The influence of swept angle and ply angle as passive control on the response and its robust control are specifically investigated and a number of conclusions are outlined.

Original language	English
Title of host publication	Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007
Pages	198-209
Number of pages	12
Publication status	Published - 2007
Event	18th International Conference on Adaptive Structures and Technologies, ICAST 2007 - Ottawa, ON, Canada Duration: 2007 Oct 3 → 2007 Oct 5

Publication series

Name	Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007

Other

Other	18th International Conference on Adaptive Structures and Technologies, ICAST 2007
Country/Territory	Canada
City	Ottawa, ON
Period	07/10/3 → 07/10/5

Keywords

Aeroelastic response
LQG
Robust control
Sliding mode observer

ASJC Scopus subject areas

Electrical and Electronic Engineering
Mechanical Engineering

Cite this

Bong, K. S., Librescu, L., Qin, Z., Yoon, G. C., Marzocca, P., & Na, S. (2007). Aeroelastic control of composite lifting surfaces in compressible flow. In Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007 (pp. 198-209). (Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007).

Aeroelastic control of composite lifting surfaces in compressible flow. / Bong, Kwang Sub; Librescu, Liviu; Qin, Zhanming et al.
Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007. 2007. p. 198-209 (Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bong, KS, Librescu, L, Qin, Z, Yoon, GC, Marzocca, P & Na, S 2007, Aeroelastic control of composite lifting surfaces in compressible flow. in Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007. Carleton University - 18th International Conference on Adaptive Structures and Technologies, ICAST 2007, pp. 198-209, 18th International Conference on Adaptive Structures and Technologies, ICAST 2007, Ottawa, ON, Canada, 07/10/3.

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abstract = "The dynamic aeroelastic response and its robust control of aircraft wings modeled as anisotropic composite thin-walled beams in compressible flow and exposed to gust and explosive type loads are examined. The structural model incorporates a number of non-classical effects, such as transverse shear, material anisotropy, warping inhibition, and rotatory inertia. The unsteady compressible aerodynamics for arbitrary small motion in the time domain is based on the concept of indicial functions. The study is carried out via implementations of the Linear Quadratic Gaussian (LQG) control methodology with sliding mode observer. The influence of swept angle and ply angle as passive control on the response and its robust control are specifically investigated and a number of conclusions are outlined.",

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AU - Na, Sungsoo

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AB - The dynamic aeroelastic response and its robust control of aircraft wings modeled as anisotropic composite thin-walled beams in compressible flow and exposed to gust and explosive type loads are examined. The structural model incorporates a number of non-classical effects, such as transverse shear, material anisotropy, warping inhibition, and rotatory inertia. The unsteady compressible aerodynamics for arbitrary small motion in the time domain is based on the concept of indicial functions. The study is carried out via implementations of the Linear Quadratic Gaussian (LQG) control methodology with sliding mode observer. The influence of swept angle and ply angle as passive control on the response and its robust control are specifically investigated and a number of conclusions are outlined.

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Aeroelastic control of composite lifting surfaces in compressible flow

Abstract

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Keywords

ASJC Scopus subject areas

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