Parameter Identification Technique based on Lyapunov Stability

Author

Manoj Kumar
S. N. Balakrishnan, Missouri University of Science and TechnologyFollow

Abstract

A system identification technique is presented for estimating the parameters of a class of nonlinear systems. An identifier is described which estimate the parameters using system measurements. A robust parameter update law is given based on the theory of Lyapunov stability which not only stabilizes the identifier but also handles the system uncertainty. To show the validity of technique, aerodynamic derivatives of fighter aircraft A-4D are estimated. Subject to this problem, a modeling based step-wise procedure is described. Instead of estimating all derivatives at once, groups of derivatives are estimated in steps.

Recommended Citation

M. Kumar and S. N. Balakrishnan, "Parameter Identification Technique based on Lyapunov Stability," Proceedings of the AIAA Atmospheric Flight Mechanics Conference 2013 (2013, Boston, MA), American Institute of Aeronautics and Astronautics (AIAA), Aug 2013.

The definitive version is available at https://doi.org/10.2514/6.2013-4750

Meeting Name

AIAA Atmospheric Flight Mechanics (AFM) Conference (2013: Aug. 19-22, Boston, MA)

Department(s)

Mechanical and Aerospace Engineering

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2013 American Institute of Aeronautics and Astronautics (AIAA), All rights reserved.

Publication Date

22 Aug 2013