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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 Optimal<br />

Linearized Optimal<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 4.14: SGA: Nonlinear H 2 vs. Linear Optimal control<br />

SGA: Nonlinear Optimal<br />

Linearized Robust<br />

−4<br />

0 1 2 3 4 5<br />

Time<br />

6 7 8 9 10<br />

Figure 4.15: SGA: Nonlinear H 2 vs. Linear Robust Control<br />

40

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