A new approach to the discretization of continuous-time controllers

Keller J.P.; Anderson B.D.O.

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A new approach to the discretization of continuous-time controllers

机译：离散化连续时间控制器的新方法

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A new method for discretizing continuous-time controllers is derived, using principles of controller approximation. It focuses on the closed-loop use of the discrete-time controller. The resulting approximation criterion is a measure for stability of the control system, provides an upper bound on the sampling time for which stability can be guaranteed, and because it is based on continuous-time controller approximation it indicates the cost of discretization in terms of performance degradation. The discrete-time controller is obtained through minimization of this criterion, which can be performed with standard software used in H/sub infinity / controller design.

机译：利用控制器逼近原理，推导了一种离散化连续时间控制器的新方法。它着重于离散时间控制器的闭环使用。得出的近似标准是控制系统稳定性的度量，它为可以保证稳定性的采样时间提供了上限，并且由于它基于连续时间控制器近似，因此在性能方面表明了离散化的成本。降解。离散时间控制器是通过最小化此标准而获得的，可以使用H / sub无限大/控制器设计中使用的标准软件来执行。

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《IEEE Transactions on Automatic Control》 |1992年第2期|P.214-223|共10页
作者
Keller J.P.; Anderson B.D.O.;
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A new approach to the discretization of continuous-time controllers

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