Title :
Application of improved L2-gain synthesis on LPV missile autopilot design
Author :
Lim, Sungyung ; How, Jonathan P.
Author_Institution :
Dept. of Aeronaut. & Astronaut., Stanford Univ., CA, USA
Abstract :
Presents an improved finite-dimensional linear matrix inequality (LMI) formulation for the L2-gain synthesis of a piecewise-affine linear parameter-varying (PALPV) system. The new formulation is then used to design a missile autopilot to investigate issues such as the effectiveness, reliability, and conservatism. Our approach is based on a nonsmooth dissipative systems framework using a continuous, quasi-piecewise-affine parameter-dependent Lyapunov function (QPAL) which has been shown to yield a less conservative, guaranteed result than previously published techniques based on quasi-affine parameter-dependent Lyapunov functions (QALs) or Lure-Postnikov Lyapunov functions. The results in the paper improve the computational efficiency by using a different “convexifying” technique. We also generalize our previous results by eliminating the restriction on the number of parameters
Keywords :
Lyapunov methods; closed loop systems; control system synthesis; linear systems; matrix algebra; missile control; robust control; L2-gain synthesis; computational efficiency; continuous quasi-piecewise-affine parameter-dependent Lyapunov function; convexifying technique; finite-dimensional linear matrix inequality formulation; missile autopilot; nonsmooth dissipative systems; piecewise-affine linear parameter-varying system; Aerodynamics; Computational efficiency; Control system synthesis; Guidelines; Linear systems; Lyapunov method; Missiles; Process design; Signal synthesis; Time varying systems;
Conference_Titel :
American Control Conference, 1999. Proceedings of the 1999
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-4990-3
DOI :
10.1109/ACC.1999.786188
