Abstract
This paper presents a technique in order to identify a fuzzy model which is suitable for fuzzy control of a dynamic system. The basic motivation is to develop a fuzzy controller which makes explicit use of the system dynamics expressed in terms of a set of rules. The fuzzy process modeling is accomplished by an inductive learning algorithm that is based on the concept of rough sets. The fuzzy process controller is constructed from the inverse fuzzy model. Therefore, it tries to cancel the dynamics of system in order to maintain the desired set-point. We demonstrate that the rough set based methodology can construct fuzzy models with good prediction capabilities using a minimal a priori knowledge about the system. Similar to other inverse model based controllers, the inverse model based fuzzy controllers behave like high pass filters that may amplify the noise and cause saturations in the actuators. Practical remedies to this problem are discussed. Two examples are given to illustrate the methodology.
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Batur, C., Chan, CC., Srinivasan, A. (1997). Fuzzy Model Based Predictive Controller. In: Tzafestas, S.G. (eds) Methods and Applications of Intelligent Control. Microprocessor-Based and Intelligent Systems Engineering, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5498-7_6
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DOI: https://doi.org/10.1007/978-94-011-5498-7_6
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