A quadratic Lyapunov function for Saint-Venant equations with arbitrary friction and space-varying slope

A quadratic Lyapunov function for Saint-Venant equations with arbitrary friction and space-varying slope
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具有任意摩擦力和空间变化斜率的圣维南方程的二次 Lyapunov 函数

DOI:
10.1016/j.automatica.2018.10.035
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发表时间:
2019-02
期刊:
影响因子:
6.4
通讯作者:
Shang Peipei
Shang Peipei
中科院分区:
计算机科学2区
文献类型:
--
作者:
Hayat Amaury;Shang Peipei

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研究了一类非线性圣维南方程的指数稳定性问题。我们考虑的一般情况下,任意的摩擦和空间变化的斜率都包括在系统中,这导致非均匀的稳态。一个显式的二次李雅普诺夫函数作为一个加权函数的小扰动的稳态构造。然后,我们表明,通过适当的选择边界反馈控制,我们明确给出,局部指数稳定的非线性圣维南方程的H 2-范数是有保证的。
The exponential stability problem of the nonlinear Saint-Venant equations is addressed in this paper. We consider the general case where an arbitrary friction and space-varying slope are both included in the system, which lead to non-uniform steady-states. An explicit quadratic Lyapunov function as a weighted function of a small perturbation of the steady-states is constructed. Then we show that by a suitable choice of boundary feedback controls, that we give explicitly, the local exponential stability of the nonlinear Saint-Venant equations for the H 2-norm is guaranteed.
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