1.6. CONCLUSION 31
a1_min =1.0076 e3;
a1=ureal('a1',a1_nom ,'Range ' ,[ a1_min , a1_max ]);
a0_max =3.3958 e7;
a0_nom =2.523 e7;
a0_min =1.9979 e7;
a0=ureal('a0',a0_nom ,'Range ' ,[ a0_min , a0_max ]);
%uncertain model of vo(s)/vg(s)
H=tf([ b1 b0 ],[1 a1 a0]);
%Step response of H
step(H)
1.6 CONCLUSION
is chapter showed how one can obtain the interval plant model of a DC-DC converter. A buck
converter is studied as an illustrative example. e proposed method can be used to extract the
uncertain model of other types of DC-DC converters. e next chapter introduces Kharitonov’s
theorem.
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