Classes of Strongly Stabilizing Bandpass Controllers for Flexible Structures

<table>Control signals in the <svg height="16.025" id="M235" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 29.8375 16.025" width="29.8375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> case (a) and <svg height="15.8875" id="M236" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 23.4125 15.8875" width="23.4125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 101 104 262l-107 -41q-56 -110 -132 -193q-75 -82 -145 -109q-31 -11 -56 -11t-41 16.5t-16 43.5q0 129 283 247q17 29 20 33l22 36q1 2 9 13.5l14 20.5q18 28 59 77q34 39 87 86q-5 -1 -20 -1q-44 0 -124 44q-62 34 -102 34q-48 0 -82 -31q-34 -30 -34 -70q0 -44 22 -69
t66 -25q37 0 65 20.5t56 65.5l18 -9q-54 -107 -141 -107q-59 0 -93 34.5t-34 91.5q0 58 50 105q49 46 125 46q28 0 58 -11q35 -13 84 -38q59 -31 86 -31q42 0 80 19q16 9 42 28zM958 635q0 22 -24 22q-28 0 -86 -63q-56 -60 -128 -160q238 105 238 201zM307 241
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</svg> case (b).</table>

Advances in Acoustics and Vibration

fig9

Figure 9

Figure 9: Classes of Strongly Stabilizing Bandpass Controllers for Flexible Structures 