Control and Cybernetics Exact Controllability for the Semilinear String Equation in Non Cylindrical Domains

Control and Cybernetics Exact Controllability for the Semilinear String Equation in Non Cylindrical Domains
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通讯作者:
F. D. Araruna;G. Antunes;L. Medeiros
F. D. Araruna;G. Antunes;L. Medeiros
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作者:
F. D. Araruna;G. Antunes;L. Medeiros

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在本文中,我们研究了在非圆柱体域中的方程式u''''''''''''''''''''''''''''''''' - τ0m + kmγ(t)-γ0u xx + f(u)= 0的混合问题的确切可控性对于F(U)表示的没有电阻的模型是Kirchhoff方程的线性化,用于当末端变量时,伸展的弹性字符串的小振动,请参阅Medeiros,Limaco,Menezes(2002)。 (1990b),《希尔伯特独特方法》(Hum),由狮子(1988a,b)理想化。
In this paper, we investigate the exact controllability for a mixed problem for the equation u ′′ − τ 0 m + k m γ (t) − γ 0 γ 0 u xx + f (u) = 0 in a non cylindrical domain. This model, without the resistance represented for f (u), is a linearization of Kirchhoff's equation for small vibrations of a stretched elastic string when the ends are variables , see Medeiros, Limaco, Menezes (2002). We employ a variant, due to Zuazua (1990b), of the Hilbert Uniqueness Method (HUM), idealized by Lions (1988a, b).