A partitioned model-based internal model control (PM-IMC) design strategy is proposed for a class of nonlinear systems that can be described by just-in-time learning (JITL) modeling technique. The PM-IMC scheme consists of a conventional IMC controller augmented by an auxiliary loop to account for n
Adaptive IMC controller design using linear multiple models
β Scribed by Yasuki Kansha; Li Jia; Min-Sen Chiu
- Publisher
- Elsevier
- Year
- 2010
- Tongue
- English
- Weight
- 399 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1876-1070
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β¦ Synopsis
In this paper, an adaptive IMC controller using just-in-time learning (JITL) technique for nonlinear process control is proposed. Based on a set of linear models obtained on-line by the JITL, not only the parameters of IMC controller are updated, but also IMC filter parameter is adjusted on-line by an updating algorithm derived based on the Lyapunov method to guarantee the convergence of JITL's predicted tracking error. Simulation results are presented to demonstrate the advantage of the proposed adaptive IMC design over its conventional counterparts.
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