Table of Contents
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Chapter 12
LQG/H-Infinity Synthesis
Manipulating the Design Parameters
Main Window
Xmath Interactive Control Design Module
The design parameters and can be changed using the associated sliders
or the variable edit boxes. If the user types in a value that is outside the
current slider range, the slider range will automatically adjust. Notice that
the slider positions in the Weights window are simultaneously updated
when the and sliders are moved. The user can change the ranges for the
sliders using the Ranges window.
The parameters T
and a can be manipulated using the sliders or variable
int
edit boxes provided the associated toggle button is On. If the toggle button
is Off, then the slider and variable edit box are insensitive; you cannot drag
the slider handle, and you cannot type into the variable edit box.
When the toggle buttons are turned On again, the parameters are restored
to their previous (or default) values.
The design parameters also can be manipulated graphically.
•
When the Decay Rate toggle button is on, a dashed line appears in the
Decay Rate window, showing
and right to set the Decay Rate parameter.
•
When Weight Edit is enabled, the user can graphically manipulate the
poles and zeros of the weight transfer functions or on the plot labeled
Weight Poles & Zeros. Refer to the
Graphically
section of Chapter 2,
a general discussion of how to move, add, delete, or edit these zeros
graphically.
•
When the H performance level toggle button is enabled, the user
can graphically manipulate by moving the dashed line in the
H Performance window vertically.
12-16
s = a. The user can drag this line left
Editing Poles and Zeros
Introduction to SISO
Design, for
ni.com
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