Issues in performance diagnostics of model-based controllers

被引：82

作者：

Patwardhan, RS ^{[1
]}

Shah, SL ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada

来源：

JOURNAL OF PROCESS CONTROL | 2002年 / 12卷 / 03期

关键词：

performance assessment; MPC; controller diagnosis; model-plant-mismatch;

D O I：

10.1016/S0959-1524(01)00043-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The task of diagnosing poorly performing controllers is a challenging one. Process design, controller design, changing process conditions are amongst the common causes of poor performance. In this work, we quantify the effect of factors such as constraints, modelling uncertainty, disturbance uncertainty, process nonlinearity on the achieved closed loop performance. It is important to know the contribution of these factors on the achieved performance in order to attempt diagnosis. The results derived are applicable to the case of deterministic as well as stochastic inputs. Illustrative examples, both SISO and MIMO, are used to demonstrate the key results. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：413 / 427

页数：15

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