期刊
CONTROL ENGINEERING PRACTICE
卷 22, 期 -, 页码 181-193出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2013.02.010
关键词
Partial least squares (PLS); Dynamic PLS framework; Model predictive control relevant identification (MRI); Generalized predictive control (GPC)
资金
- National Natural Science Foundation of China [61174114]
- Research Fund for the Doctoral Program of Higher Education in China [20120101130016]
- National High Technology Research and Development Program of China [2007AA04Z168]
- Scholarship Award for Excellent Doctoral Student
- Ministry of Education
In this paper, a generalized predictive control (GPC) scheme under a dynamic partial least squares (PLS) framework is proposed. At the modeling stage, a model predictive control relevant identification (MRI) approach is used to improve the identification of the model. Within PLS framework, the MIMO system can be automatically decomposed into several SISO subsystems in the latent space. For each subsystem, MRI is implemented and GPC is designed independently. With the advantage of MRI and PLS framework, fewer parameters are needed to be estimated in the identification stage, nonsquare and ill-conditioned system can be handled naturally, control parameters tuning is easier and better control performance can be obtained. Furthermore, the computing time of control action which is very crucial for GPC on-line application decreases since each GPC is running in SISO subsystem in parallel. The results of two simulation examples and a laboratory experiment demonstrate the merit of the proposed method. (C) 2013 Elsevier Ltd. All rights reserved.
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