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Optimization of fuzzy model using genetic algorithm for process control application |
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| Authors: | Rubiyah Yusof Ribhan Zafira Abdul Rahman Marzuki Khalid Mohd Faisal Ibrahim |
| Institution: | a Center for Artificial Intelligence and Robotics (CAIRO), Universiti Teknologi Malaysia, 54100 Jalan Semarak, Kuala Lumpur, Malaysia b Department of Electrical and Electronics, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia c Department of Electrical, Electronics and Systems Engineering, Faculty of Engineering, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia |
| Abstract: | A technique for the modeling of nonlinear control processes using fuzzy modeling approach based on the Takagi-Sugeno fuzzy model with a combination of genetic algorithm and recursive least square is proposed. This paper discusses the identification of the parameters at the antecedent and consequent parts of the fuzzy model. For the antecedent fuzzy parameters, genetic algorithm is used to tune them while at the consequent part, recursive least squares approach is used to identify the system parameters. This approach is applied to a process control rig with three subsystems: a heating element, a heat exchanger and a compartment tank. Experimental results show that the proposed approach provides better modeling when compared with Takagi Sugeno fuzzy modeling technique and the linear modeling approach. |
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