SISO环实际工业控制误差的非高斯性质

2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI:10.1109/ICSTCC.2015.7321405

P. Domański

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引用次数: 26

摘要

本文介绍了在实际工业实践中对控制质量的行为和性质的观察结果。该分析基于数百个控制回路的数据，这些控制回路位于世界各地的几个地点，运行在不同的过程工业中。实践表明，关于高斯性质的理论假设很难得到满足。作者提出了一种基于分形方法的过程控制质量闭环分析和评价方法。基于R/S图、Hurst指数和粗尾概率分布的替代工具似乎是对现有高斯视角的有效扩展。

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Non-Gaussian properties of the real industrial control error in SISO loops

The paper presents results of the observations on behavior and properties of the control quality that is met in real industrial practice. The analysis is based on data from several hundreds of control loops operating in different process industries located in several sites all over the world. Practice shows that theoretical assumption about Gaussian properties is hardly met. The author suggest novel approach to the loop analysis and the assessment of process control quality based on the fractal approach. Alternative tools based on the R/S plots, Hurst index and fat-tail probabilistic distributions seems to be valid extension to the existing Gaussian perspective.

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2015 19th International Conference on System Theory, Control and Computing (ICSTCC)

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