Switching in nonminimum phase systems: applications to a VSTOL aircraft

Author

Oishi, M. ; Tomlin, C.

Author_Institution

Hybrid Syst. Lab., Stanford Univ., CA, USA

Volume

1

Issue

6

fYear

2000

fDate

36770

Firstpage

487

Abstract

We model the longitudinal dynamics of a VSTOL aircraft as a nonlinear hybrid system with three modes corresponding to typical aircraft behavior. Due to the nonminimum phase property of the aircraft, exact feedback linearization will not stabilize the aircraft. Using dynamic extension, approximate feedback linearization provides a stabilizing control in each mode. We show that the system will track with bounded error in each mode as well as across mode switches. Two examples of common VSTOL manoeuvres demonstrate the effectiveness of the switched control scheme

Keywords

aircraft control; feedback; linearisation techniques; nonlinear control systems; nonlinear dynamical systems; stability; tracking; VSTOL aircraft; aircraft behavior; approximate feedback linearization; dynamic extension; exact feedback linearization; longitudinal dynamics modelling; nonlinear hybrid system; nonminimum phase system switching; Aerodynamics; Aerospace control; Control system analysis; Control systems; Feedback; Laboratories; Linear approximation; Military aircraft; Nonlinear control systems; Nonlinear dynamical systems;

fLanguage

English

Publisher

ieee

Conference_Titel

American Control Conference, 2000. Proceedings of the 2000

Conference_Location

Chicago, IL

ISSN

0743-1619

Print_ISBN

0-7803-5519-9

Type

conf

DOI

10.1109/ACC.2000.878948

Filename

878948