BOUNDARY FEEDBACK STABILIZATION OF NONUNIFORM TIMOSHENKO BEAM WITH A TIPLOAD |
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Authors: | YAN Qingxu and FENG Dexing |
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Institution: | 1. Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 2. Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, |
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Abstract: | The boundary stabilization problem of a Timoshenko beam attached with a mass at one
end is studied. First, with linear boundary force feedback and moment control simultaneously
at the end attached with the load, the energy corresponding to the closed loop system is proven
to be exponentially convergent to zero as time t -- oo. Then, some counterexamples are given
to show that, in other cases, the corresponding closed loop system is, in general, not stable
asymtotically, let alone exponentially. |
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Keywords: | Timoshenko beam Boundary feedback control C0 semigroups Exponential stability Multiplier method |
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