Interpolation of observer state feedback controllers for gain scheduling

DJ Stilwell, WJ Rugh - IEEE transactions on automatic control, 1999 - ieeexplore.ieee.org
The authors propose a method of interpolating linear time-invariant controllers with observer
state feedback structure in order to generate a continuously varying family of controllers that …

Gain scheduling for H-infinity controllers: A flight control example

RA Nichols, RT Reichert… - IEEE Transactions on …, 1993 - ieeexplore.ieee.org
A new approach to gain scheduling linear dynamic controllers is illustrated for a pitch-axis
autopilot design problem. In this application the linear controllers are designed at distinct …

Self-scheduled H∞ control of linear parameter-varying systems: a design example

P Apkarian, P Gahinet, G Becker - Automatica, 1995 - Elsevier
This paper is concerned with the design of gain-scheduled controllers with guaranteed H∞
performance for a class of linear parameter-varying (LPV) plants. Here the plant state-space …

A convex characterization of gain-scheduled h/sub/spl infin//controllers

P Apkarian, P Gahinet - IEEE Transactions on Automatic …, 1995 - ieeexplore.ieee.org
An important class of linear time-varying systems consists of plants where the state-space
matrices are fixed functions of some time-varying physical parameters/spl theta/. Small gain …

Parameterization of all stabilizing H∞ static state-feedback gains: application to output-feedback design

J Gadewadikar, FL Lewis, L Xie, V Kucera… - Automatica, 2007 - Elsevier
This paper presents a simplified parameterization of all H∞ static state-feedback controllers
in terms of a single algebraic Riccati equation and a free parameter matrix. As a special …

Dynamic scheduling of modern-robust-control autopilot designs for missiles

RT Reichert - IEEE Control Systems Magazine, 1992 - ieeexplore.ieee.org
The dynamic scheduling of multiple linear-time-invariant (LTI) controllers, designed using
H/sub infinity//mu techniques, for systems with widely varying plant dynamics is examined …

Missile autopilot design: gain-scheduling and the gap metric

S Theodoulis, G Duc - Journal of guidance, control, and dynamics, 2009 - arc.aiaa.org
This paper presents a systematic methodology for the synthesis of global gain-scheduled
controllers for nonlinear time-varying systems. A controller of this type is used to compute the …

The application of scheduled H/sub infinity/controllers to a VSTOL aircraft

RA Hyde, K Glover - IEEE Transactions on Automatic Control, 1993 - ieeexplore.ieee.org
The authors apply H/sub infinity/-designed controllers to a generic VSTOL (vertical and short
takeoff and landing) aircraft model GVAM. The design study motivates the use of H/sub …

A reduced order observer based controller design for H/sub/spl infin//-optimization

AA Stoorvogel, A Saberi… - IEEE Transactions on …, 1994 - ieeexplore.ieee.org
In this note the H/sub/spl infin//control problem with measurement feedback is investigated. It
is well-known that for this problem, in general, we need controllers of the same dynamic …

All fixed-order H/sub/spl infin controllers: observer-based structure and covariance bounds

T Iwasaki, RE Skelton - IEEE Transactions on Automatic …, 1995 - ieeexplore.ieee.org
This note obtains a parameterization of the set of all stabilizing controllers of order less than
or equal to the plant, which yields for the closed-loop transfer matrix a specified H/sub/spl …