Chapter 12
LQG/H-Infinity Synthesis
LQG/H-Infinity Weights Window
Xmath Interactive Control Design Module
Figure 12-1. LQG/H-Infinity Main Window
•
A pull-down menu for frequency-dependent weight selection on
inputs:
and outputs:
•
A button for recomputing the controller.
These parameters are described in greater detail later in this chapter.
The Weights window is for defining control cost and noise level parameters
and is shown in Figure 12-2.
From top to bottom, the Weights window consists of:
•
A menu bar with entries Special, Edit, View, and Help.
•
A row with two radio buttons which toggle the contents of the window
between control cost and noise level parameters. The following
W
i
1
=
u i
W
j
1
=
y j
12-2
n
u
n
y
ni.com
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