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Title

Investigation of the performance of a fuzzy logic controller in control of a methanol-water distillation column

Year: 1383
COI: NICEC09_374
Language: EnglishView: 1,378
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Authors

Ali Farzi - Chemical Engineering Department, Isfahan University of Technology, Isfahan
Arjomand Mehrabani - Chemical Engineering Department, Isfahan University of Technology, Isfahan

Abstract:

A fuzzy logic controller similar to a proportional controller, with different types of membership functions is implemented on a distillation system and the performances of these membership functions were compared to each other and to traditional proportional and proportional-integral controllers. It is evident that a fuzzy logic controller with Gaussian membership function responds more rapidly to a step change in the set point of methanol concentration in top product of the distillation column. The offset is very small. The effect of the boundaries of input and output membership functions is tested. Extending the boundaries results in a smaller rise time for responses, but the system goes into instability. The effect of extending boundaries of membership functions is similar to rising gain of a proportional controller.

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This Paper COI Code is NICEC09_374. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/29754/

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Farzi, Ali and Mehrabani, Arjomand,1383,Investigation of the performance of a fuzzy logic controller in control of a methanol-water distillation column,9th National Iranian Chemical Engineering Congress,Tehran,https://civilica.com/doc/29754

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Type of center: دانشگاه دولتی
Paper count: 14,179
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