Design of Fuzzy Logic based Plasma Position Control in Aditya Tokamak

J  Femila Roseline   and N  M  Nandhitha

doi:10.17485/ijst/2015/v8i12/56420

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Design of Fuzzy Logic based Plasma Position Control in Aditya Tokamak

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8i12/56420

Year: 2015, Volume: 8, Issue: 12, Pages: 1-7

Original Article

Design of Fuzzy Logic based Plasma Position Control in Aditya Tokamak

J. Femila Roseline^1* and N. M. Nandhitha²

¹ Sathyabama University, Jeppiaar Nagar, Old Mahabalipuram Road, Chennai, 600 119, India; [email protected]

² Department of Electronics and Communication Engineering, Sathyabama University, Jeppiaar Nagar, Old Mahabalipuram Road, Chennai, 600 119, India; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Plasma position control is a major concern in Tokamak machines. Radial position and plasma current are the input parameters that affect the plasma stabilization current which in turn affects the plasma position. As the relationship between the input and output parameters are non linear in nature, intelligent controllers are to be developed. In this paper, FIS based plasma position controller is developed. Also the optimization of linguistic variables and membership functions is performed based on the accuracy of the results. It is found that triangular membership with 9 linguistic variable provide better results for stabilization current prediction.

Keywords: Feedback Coil Current, Fis, Plasma, Plasma Current, Radial Position