Object-oriented approach applied to ANFIS modeling and control of a distillation column |
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Authors: | J Fernandez de Canete A Garcia-Cerezo I Garcia-Moral P Del Saz E Ochoa |
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Affiliation: | 1. System Engineering Department, University of Malaga, Campus de Teatinos s/n, 29071 Malaga, Spain;2. Acenture S.L., Av Lopez-Peñalver 28, 29590 Malaga, Spain |
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Abstract: | Neurofuzzy networks are hybrid systems that combine neural networks with fuzzy systems, and the Adaptive Neuro-Fuzzy inference system (ANFIS) is a particular case in which a fuzzy system is implemented in the framework of an adaptive neural network. This neurofuzzy approach represents an effective structure to the modeling of plant dynamics, and the oriented-object programming environments offer an intuitive way to address this task. In this paper the MODELICA object-oriented environment has been applied to the ANFIS modeling and indirect control of the heavy and light product composition in a binary methanol-water distillation column by using the adaptive Levenberg–Marquardt approach. The results obtained demonstrate the potential of the adaptive ANFIS scheme under MODELICA for the dual control of composition both for changes in set points with null stationary error even when disturbances are present. |
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Keywords: | ANFIS modeling ANFIS indirect control Levenberg–Marquardt adaptation Object-oriented approach MODELICA environment Binary distillation column |
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