Web winding system robustness analysis via /spl mu/-analysis

E. Laroche, H. Koç, D. Knittel, M. de Mathelin
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引用次数: 9

Abstract

Web winding system behavior is subject to large variations due to changes in operational conditions. Resorting to robustness analysis appears then necessary. The winding system considered in this paper is speed and tension controlled. Several controllers are considered, including H/sub /spl infin// and gain scheduling techniques. Stability robustness is analyzed via /spl mu/-analysis and ad-hoc models are developed in that sense for the phenomena that are the main sources of uncertainties. It is shown that stability is guaranteed for every phenomenon considered separately, but stability region must be restricted when the system is subject simultaneously to several phenomena. Improvements due to gain scheduling are pointed out.
通过/spl mu/-分析分析卷绕系统的鲁棒性
由于操作条件的变化,卷绕系统的性能会发生很大的变化。那么诉诸于健壮性分析似乎是必要的。本文所研究的卷绕系统是速度和张力可控的。考虑了几种控制器,包括H/sub /spl infin//和增益调度技术。稳定性鲁棒性通过/spl mu/-分析进行分析,并在这种意义上为不确定性的主要来源的现象开发了特设模型。结果表明,对于单独考虑的每一种现象,系统的稳定性都是保证的,但当系统同时受到多种现象的作用时,系统的稳定性区域必须受到限制。指出了增益调度的改进之处。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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