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Content Provider | IEEE Xplore Digital Library |
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Author | Fiorentini, L. Serrani, A. |
Copyright Year | 2009 |
Description | Author affiliation: The Ohio State University, Columbus, 43210, USA (Fiorentini, L.; Serrani, A.) |
Abstract | The design of a nonlinear robust controller for a non-minimum phase model of the longitudinal dynamics of an air-breathing hypersonic vehicle is presented in this work. When flight-path angle is selected as a regulated output and the elevator is the only control surface available for the pitch dynamics, longitudinal models of air-breathing hypersonic vehicle dynamics exhibit unstable zero-dynamics. The approach proposed in this paper uses a combination of small-gain arguments and adaptive control techniques for the design of a state-feedback controller that achieves asymptotic tracking of velocity and flight-path angle reference trajectories in spite of model uncertainties. The method reposes upon a suitable redefinition of the internal dynamics of a control-oriented model of the vehicle dynamics and uses a time-scale separation between the controlled variables to manage the peaking phenomenon occurring in the system. Simulation results on a full nonlinear vehicle model illustrate the effectiveness of the methodology. |
Starting Page | 1405 |
Ending Page | 1410 |
File Size | 737386 |
Page Count | 6 |
File Format | |
ISBN | 9781424438716 |
ISSN | 01912216 |
DOI | 10.1109/CDC.2009.5400744 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-12-15 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Adaptive control Vehicle dynamics Aerodynamics Elevators Uncertainty Stability analysis Robust control Feedback Programmable control Thermal stresses |
Content Type | Text |
Resource Type | Article |
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