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Adaptive Boundary Control for Heat Equations with Uncertain Control Coefficient and Boundary Disturbance

机译:具有不确定控制系数和边界扰动的热方程的自适应边界控制

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The adaptive state-feedback boundary control design is investigated for a class of heat equations with uncertain control coefficient and boundary disturbance. By choosing appropriate control Lyapunov function and parameter updating law, the adaptive controller is explicitly obtained, which only needs the measurement at the boundary of the system and guarantees that the original system state is L_2 [0, 1] stable (see the definition at the footnote of the page), and particularly, the state converges to zero when the boundary disturbance vanishes. It is worth emphasizing that, by skillfully choosing the initial condition of parameter updating law, the restriction on the initial condition of the system is moderately relaxed, which is usually described by the so-called compatible condition in the existing literature. A simulation example is presented to illustrate the effectiveness of the proposed method.
机译:研究了具有不确定控制系数和边界干扰的一类热方程的自适应状态反馈边界控制设计。通过选择合适的控制Lyapunov函数和参数更新法,显式获得自适应控制器,只需要在系统的边界处进行测量,并保证原始系统状态为L_2 [0,1]稳定(请参阅下定定义脚注的页面),特别是当边界干扰消失时,状态会聚到零。值得强调的是,通过巧妙地选择参数更新法的初始条件,对系统的初始条件的限制是适度的放松,这通常由现有文献中所谓的兼容条件描述。提出了一种模拟示例以说明所提出的方法的有效性。

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