状态反馈解中的重复控制不确定条件

M. A. Alsubaie, Mubarak K. Alhajri, Tarek S. Altowaim
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引用次数: 3

摘要

重新介绍了线性定常系统的状态反馈重复控制(RC),包括过去误差前馈和当前误差反馈方案。周期性扰动在重复系统中很常见,可以用时滞模型来表示。提出的设计重点是隔离干扰模型,并找到围绕延迟模型的整体传递函数。在延迟模型周围使用小增益定理,确保在达到稳定条件的情况下可以适应干扰。本文重新介绍了在存在过去误差和当前误差结构的情况下所设计的状态反馈的RC控制器。研究了鲁棒性条件,并设置了鲁棒性条件,以提高存在模型不匹配的系统性能,这是本文的新贡献。仿真结果表明,所获得的鲁棒条件在提高系统动态摄动性能的同时具有优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Repetitive Control Uncertainty Conditions in State Feedback Solution
Repetitive Control (RC) designed with state feedback that includes past error feedforward and current error feedback schemes for linear time-invariant systems is reintroduced. Periodic disturbances are common within repetitive systems and can be represented with a time-delay model. The proposed design focuses on isolating the disturbance model and finding the overall transfer function around the delay model. The use of the small gain theorem around the delay model assures disturbance accommodation if stability conditions are achieved. This paper reintroduces the designed RC controller within the state feedback in the presence of both past error and current error structures. Robustness conditions are investigated and set to enhance system performance in the presence of modelling mismatch, which represents the novel contribution in this paper. Simulations demonstrate the advantages of the robust conditions obtained while improving system performance for dynamic perturbations.
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