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首页> 外文期刊>IEEE Transactions on Automatic Control >Optimal finite-precision state-estimate feedback controller realizations of discrete-time systems
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Optimal finite-precision state-estimate feedback controller realizations of discrete-time systems

机译:离散时间系统的最优有限精度状态估计反馈控制器实现

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摘要

Investigates the stability issue of a discrete-time control system, where a state-estimate feedback controller (SEFC), digitally implemented with a fixed-point format, is used. A tractable closed-loop stability related measure is derived with finite-word-length implementation consideration of the controller. The optimal realizations of the SEFC are defined as those that maximize this measure and can be shown as the solutions of a nonlinear programming problem. A sophisticated optimization strategy is presented to provide an efficient method for solving this problem, and a numerical example is given to illustrate the design procedure.
机译:研究离散时间控制系统的稳定性问题,在该系统中,使用了以定点格式数字实现的状态估计反馈控制器(SEFC)。在考虑控制器的有限字长实现的基础上,得出了一种可处理的闭环稳定性相关度量。 SEFC的最佳实现定义为最大化该度量的实现,并且可以显示为非线性规划问题的解决方案。提出了一种复杂的优化策略,以提供解决该问题的有效方法,并给出了一个数值示例来说明设计过程。

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