Sensitivity of MIMO Controller Performance to Model-Plant Mismatch, with Applications to Paper Machine Control

被引：0

作者：

Yousefi, M. ^{[1
]}

Forbes, M. G. ^{[2
]}

Gopaluni, R. B. ^{[3
]}

Loewen, P. D. ^{[4
]}

Dumont, G. A. ^{[5
]}

Backstrom, J. ^{[2
]}

机构：

[1] Univ British Columbia, Elect & Comp Engn, Vancouver, BC V5Z 1M9, Canada

[2] Honeywell Proc Solut, N Vancouver, BC, Canada

[3] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V5Z 1M9, Canada

[4] Univ British Columbia, Dept Math, Vancouver, BC V5Z 1M9, Canada

[5] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V5Z 1M9, Canada

来源：

2014 IEEE CONFERENCE ON CONTROL APPLICATIONS (CCA) | 2014年

关键词：

CONTROL LOOP PERFORMANCE;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Model-based controllers based on incorrect estimates of the true plant behaviour can be expected to perform badly. This work quantifies the performance deterioration for a certain class of MIMO systems. Performance is measured using a Minimum Variance index and a closely related user-specified criterion. Under reasonable conditions, the performance of each output component in a MIMO system can be analysed independently. We define a sensitivity measure that relates system performance to model-plant mismatch, and use it to explore this sensitivity for three realistic types of parametric modelling errors. Next, we suggest a quantitative method that compares a system's actual output to its desired response in a transient setting. The performance of the transient response is demonstrably more sensitive to the model-plant mismatch than the steady state performance. The results are illustrated on industrial paper machine data.

引用

页码：204 / 209

页数：6

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