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Chapter 6 Tutorial
© National Instruments Corporation 6-15 Xmath Model Reduction Module
Generate Figure 6-11:
tvec=0:(140/99):140;
compare(syscl,sysclr,tvec,{type=7})
f11=plot({keep,legend=["original","reduced"]})
Figure 6-11. Step Response with wtbalance
Figures 6-9, 6-10, and 6-11 are obtained for wtbalance with the option
"input spec". Evidently, there is little difference between this and the
result with the option
"match". One notices marginally better matching in
the region of interest (0.1 to 5 rad per second) at the expense of matching
at other frequencies. The weighted Hankel singular values again indicate
that it is reasonable to seek a second order controller.