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A Vector-Based Approach for Controller Performance Assessment
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AI
DOI：10.1021/ie3008105.png)
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摘要
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Considering that the traditional method for controller performance assessment is mainly based on minimum variance, which is an unattainable boundary, a new vector-based approach is proposed that is driven by the historical data and is not very dependent on prior knowledge of the process unit. A performance vector is designed to represent the controller precision and its response speed. The length and angle of the vector are constructed using statistical theory and signal processing techniques, which is the key step in the proposed method. It works well for disturbance rejection situation in single-input-single-output (SISO) systems. In particular, an index P-f is introduced as a measurement of the controller performance to show how much potential the control loop will still have for improvement. The Wood-Berry model is used for simulation studies to demonstrate the effectiveness of the proposed method; then, the possibility of extending the method to a multiple-input-multiple-output (MIMO) system is also discussed here.
Keyword:
CONTROL-LOOP PERFORMANCE
DIAGNOSIS
期刊
I
IF:
3.9
论文数:
4.0W
被引数:
9.6W
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A review of performance monitoring and assessment techniques for univariate and multivariate control systems单变量和多变量控制系统的性能监控和评估技术综述
PREAI
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