1993•IEEE Transactions on Automatic ControlRequires access

Exact and inexact LQG model matching problems

A. Casavola, E. Mosca

Abstract

The design of discrete-time LQG (linear-quadratic-Gaussian) controllers that yield closed-loop systems that match a provided model is addressed. The solution is in the form of a two-degree-of-freedom controller having feedback and feedforward paths that independently provide the optimal actions for disturbance rejection and model matching. Exact and approximate model matching cases are discussed in a unified fashion.>

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Available abstract

Key concepts: Linear-quadratic-Gaussian control, Matching (statistics), Control theory (sociology), Feed forward, Controller (irrigation), Optimal projection equations, Linear-quadratic regulator, Optimal control