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Application of orthogonal eigenstructure control to flight control designFormat | Member Price | Non-Member Price |
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Paper Abstract
Orthogonal eigenstructure control is used for designing a control law that decouples the dynamic modes of a flying
vehicle. Orthogonal eigenstructure control is a feedback control method for linear time invariant multi-input multi-output
systems. This method has been recently developed by authors. The advantage of this control method over eigenstructure
assignment methods is that there is no need for defining the closed-loop poles or shaping the closed-loop eigenvectors.
This method eliminates the error due to the difference between achievable and desirable eigenvectors, by finding vectors
orthogonal to the open-loop eigenvectors within the achievable eigenvectors set and replacing the open-loop
eigenvectors with them. This method is also applicable to the systems with non-collocated actuators and sensors.
Application of this method for designing a flight control law for the lateral directional dynamics of an F-18 HARV is
presented, and compared to the results of an eigenstructure assignment method. In this case study, the actuators and
sensors are not collocated. It is shown that the application of the orthogonal eigenstructure control results in a more
significant dynamic modes decoupling in comparison to the application of the eigenstructure assignment technique.
Paper Details
Date Published: 18 April 2008
PDF: 10 pages
Proc. SPIE 6928, Active and Passive Smart Structures and Integrated Systems 2008, 69280P (18 April 2008); doi: 10.1117/12.775261
Published in SPIE Proceedings Vol. 6928:
Active and Passive Smart Structures and Integrated Systems 2008
Mehdi Ahmadian, Editor(s)
PDF: 10 pages
Proc. SPIE 6928, Active and Passive Smart Structures and Integrated Systems 2008, 69280P (18 April 2008); doi: 10.1117/12.775261
Show Author Affiliations
M. A. Rastgaar Aagaah, Virginia Polytechnic Institute and State Univ. (United States)
M. Ahmadian, Virginia Polytechnic Institute and State Univ. (United States)
M. Ahmadian, Virginia Polytechnic Institute and State Univ. (United States)
S. C. Southward, Virginia Polytechnic Institute and State Univ. (United States)
Published in SPIE Proceedings Vol. 6928:
Active and Passive Smart Structures and Integrated Systems 2008
Mehdi Ahmadian, Editor(s)
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