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Minimization of a closed-loop response to a fixed input for SISOsystems

机译:最小化对SISOsystem的固定输入的闭环响应

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摘要

It is shown that the problem of minimizing a regulated response of a single-input/single-output system due to a fixed bounded input can be converted, via polynomial techniques, to a linear infinite-dimensional Chebyshev data fitting problem. Approximating feasible solutions within any specified degree of accuracy can be obtained by converting the original problem into a sequence of increasingly large, finite-dimensional Chebyshev approximation problems, for which solution stable and efficient numerical methods exist. A direct formula for calculating tight upper-bounds to the approximation error is provided. The link between the present algebraic approach and the Dahleh and Pearson functional analytic one (1988) is also discussed
机译:结果表明,由于固定的有界输入,使单输入/单输出系统的调节响应最小化的问题可以通过多项式技术转换为线性无穷维Chebyshev数据拟合问题。通过将原始问题转换为一系列越来越大的有限维Chebyshev逼近问题序列,可以获得任何特定精度的近似可行解,对于这些问题存在稳定而有效的数值方法。提供了一个直接公式,用于计算逼近误差的严格上限。还讨论了当前代数方法与Dahleh和Pearson函数分析方法(1988)之间的联系。

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