Title :
Singularity-free adaptive pole placement using periodic controllers
Author :
Lozano, Rogelio ; Dion, Jean-Michel ; Dugard, Luc
Author_Institution :
UTC-HEUDIASYC, Compiegne, France
fDate :
1/1/1993 12:00:00 AM
Abstract :
A globally convergent adaptive control scheme for nonminimum phase systems is presented. The approach is based on a particular periodic pole-placement controller. An ad-hoc parameter estimate correction procedure is used to prevent any possible singularities in the control law computation. Furthermore, a lower bound on the estimated model controllability is ensured. The a priori knowledge on the system is reduced to the process order
Keywords :
adaptive control; controllability; convergence; parameter estimation; poles and zeros; time-varying systems; ad-hoc parameter estimate correction procedure; globally convergent adaptive control scheme; model controllability; nonminimum phase systems; periodic controllers; periodic pole-placement controller; time-varying systems; Adaptive control; Control systems; Controllability; Matrix decomposition; Parameter estimation; Particle measurements; Periodic structures; Programmable control; Stability analysis; State feedback;
Journal_Title :
Automatic Control, IEEE Transactions on
