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NONLINEAR CONTROLLER COMPARISON ON A BENCHMARK ...

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Response in cm<br />

Response in cm<br />

4<br />

3<br />

2<br />

1<br />

0<br />

−1<br />

−2<br />

−3<br />

SGA: Nonlinear Robust<br />

Linearized Robust<br />

−4<br />

0 1 2 3 4 5<br />

Time<br />

6 7 8 9 10<br />

4<br />

3<br />

2<br />

1<br />

0<br />

−1<br />

−2<br />

−3<br />

Figure 4.20: SGA: Nonlinear H1 vs. Linear Robust Control<br />

SGA: Nonlinear Robust<br />

Passivity Based<br />

−4<br />

0 1 2 3 4 5<br />

Time<br />

6 7 8 9 10<br />

Figure 4.21: SGA: Nonlinear H1 vs. Passivity Based Control<br />

43

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