DOI: 10.17586/2226-1494-2016-16-5-872-878


APPLICATION FEATURES OF FUZZY CONTROLLERS ON EXAMPLE OF DC MOTOR SPEED CONTROL

G. L. Demidova, A. Y. Kuzin, D. V. Lukichev


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Article in Russian

For citation: Demidova G.L., Kuzin А.Yu., Lukichev D.V. Application features of fuzzy controllers on example of DC motor speed control. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2016, vol. 16, no. 5, pp. 872–878. doi: 10.17586/2226-1494-2016-16-5-872-878

Abstract

A prerequisite for the use of intelligent control methods, including algorithms of fuzzy logic, is increasing complexity  in all industries, especially when parameters of technical systems while in operation vary in wide range. The paper provides comparative analysis of the basic types of common fuzzy direct action controllers on the example of speed control system in the DC motor drive. Design features of these types of fuzzy controllers are shown.  Their comparison with traditional PI controller is carried out through the use of simulation, including the conditions of uncertainty expressed in changing of equivalent moment of inertia of the motor shaft. As a result, the conclusion about the feasibility of fuzzy PID-type controller application is made. The features of fuzzy controllers outlined in the paper can be summarized to more complex motor drive systems and to other non-linear systems that require the maintenance of any parameter within a given range.


Keywords: DC motor, PID controller, fuzzy logic, fuzzy controller, robustness

Acknowledgements. The work is partially financially supported by the Government of the Russian Federation (grant 074-U01).

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