Linear Parameter Varying Systems

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1: Proceedings of CDC2000
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New Directions in Robust Control
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Vision Based Estimation and Control: Recent Advances and Open Problems
Agile Control of Military Operations
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New Approaches to H-Infinity Control I
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Mobile Robots: Tracking Control
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Power Systems Stabilisation and Control
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New Approaches to H-Infinity Control II
Linear Systems with Saturating Actuators
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Interplay between Control and Signal Processing
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Computational Issues in Nonlinear Control
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Linear Parameter Varying Systems
Linear Control Systems
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Estimation and Identification using Hidden Markov Models
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Sensitivity Design, Analysis and Limitations
Analysis of Linear Systems
Linear Matrix Inequalities in Design
Lyapunov's 2nd Method
Robotics: Tracking Control
Lagrangian and Hamiltonian Theory
Variable Structure Control
Machine Vision
Signal Processing Methods in Control
Applied Nonlinear Control

Author Index
A B C D E F G H I
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Taking Robust LPV Control into Flight on the VAAC Harrier

Authors:

George Papageorgiou, Keith Glover, Glenn D'Mello, Yoge Patel,

Volume: 1, Page 4558 Paper number 40

Abstract:

This paper describes the application of a new multivariable control system design procedure, linear parameter-varying (LPV) H-infinity loop shaping, to design a flight controller for the pitch dynamics of the Vectored thrust Aircraft Advanced flight Control (VAAC) Harrier. The particular LPV design procedure used was developed by Papageorgiou and Glover and is an advancement of the H-infinity design method successfully flight tested in 1993 on the VAAC Harrier in that the control laws are automatically scheduled over the flight envelope. Automatically scheduled control laws are a strong and very likely candidate for the next generation of flight control systems (FCS). The flight test of the LPV controller described here is the first of its kind in the international aerospace community and is recognised as a key milestone in the general development of next generation FCS design methods.

CD000040.PDF (From Author)

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State Estimation For Affine LPV Systems

Authors:

G. Iuliana Bara, Jamal Daafouz, José Ragot, Frédéric Kratz,

Volume: 1, Page 4565 Paper number 1367

Abstract:

In this paper, the design of a scheduled observer which allows to estimate the state of an affine LPV system is investigated. The state and the gain matrices of the observer are scheduled by using an interpolation method which is linear according to each parameter but which is nonlinear according to the parameter vector. The stability of the estimation error is based on the existence of an affine parameter-dependent Lyapunov function. The problem of the observer design and the existence of a such Lyapunov function is interpreted as an LMI feasibility problem with a rank constraint. An example is presented.

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State Observers For Discrete-Time LPV Systems: an Interpolation Based Approach

Authors:

Jamal Daafouz, G. Iuliana Bara, Frédéric Kratz, José Ragot,

Volume: 1, Page 4571 Paper number 1051

Abstract:

This paper investigates a state observation design problem for discrete time linear parameter varying (LPV) systems. The main contribution of this paper consists in providing an interpolation scheme to build the LPV observer. We show that an appropriate choice of the interpolation functions allow to use available quadratic stability conditions to design an LPV observer.

CD001051.PDF (From Author)

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Optimal Worst Case Estimation for LPV-FIR Models with Bounded Errors

Authors:

Gustavo Belforte, Paolo Gay,

Volume: 1, Page 4573 Paper number 1273

Abstract:

In this paper discrete time linear parameter varying (LPV) models with finite impulse response (FIR) dynamic structure are considered. Measurement errors are assumed to be bounded and in such condition the worst case parameter estimate errors are derived together with the input sequences that allow their determination. The main result of the paper consists in showing that the optimal input design of LPV-FIR models is achieved combining the available results on optimal input design for invariant FIR models with the results on optimal input design for static blocks.

CD001273.PDF (From Author)

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An Unified Framework For LPV System Analysis And Control Synthesis

Authors:

Fen Wu,

Volume: 1, Page 4578 Paper number 2144

Abstract:

A new approach for LPV system analysis and control synthesis was proposed in this paper. This unified framework combined two seemingly diversified methods in systematic gain-scheduling, LPV control theory, and extended the applicability of full block S-procedure to general LPV systems.

CD002144.PDF (From Author)

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