National Instruments ICDM Chapter 11 Introduction to MIMO Design, Chapter 12 LQG/H-Infinity Synthesis

Contents
© National Instruments Corporation ix Xmath Interactive Control Design Module
Chapter 11
Introduction to MIMO Design
Basic Terminology for MIMO Systems........................................................................ 11-1
Feedback System Configuration......................................................................11-1
Transfer Functions.........................................................................................................11-2
Integral Action.................................................................................................11-4
Overview of ICDM for MIMO Design..........................................................................11-5
ICDM MIMO Windows..................................................................................11-5
Main Window..................................................................................................11-5
MIMO Plot Window........................................................................................11-6
History Window..............................................................................................11-7
Alternate Plant Window (MIMO Version)......................................................11-7
Chapter 12
LQG/H-Infinity Synthesis
Window Anatomy..........................................................................................................12-1
LQG/H-Infinity Main Window.......................................................................12-1
LQG/H-Infinity Weights Window ..................................................................12-2
Decay Rate Window........................................................................................12-5
H-Infinity Performance Window.....................................................................12-5
Frequency Weights Window...........................................................................12-6
Synthesis Modes and Window Usage............................................................................12-7
Opening the LQG/H-Infinity Synthesis Window............................................12-8
Setup and Terminology...................................................................................12-8
Standard LQG (All Toggle Buttons “Off”).....................................................12-11
Integral Action.................................................................................................12-11
Exponential Time Weighting ..........................................................................12-12
Weight Editing.................................................................................................12-12
How to Select w, u, y, and z.............................................................................12-13
H-Infinity Solution..........................................................................................12-14
Manipulating the Design Parameters.............................................................................12-16
Main Window..................................................................................................12-16
Ranges.............................................................................................................12-17