Abstract
The aim of paper is to employ digital fractional order proportional integral derivative (FO-PID) controller for speed control of buck converter fed DC motor. Optimal pole-zero approximation method in discrete form is proposed for realization of digital fractional order controller. The stand-alone controller is implemented on embedded platform using digital signal processor TMS320F28027. The five tuning parameters of controller enhance the performance of control scheme. For tuning of the controller parameters, dynamic particle swarm optimization technique is employed. The proposed control scheme is simulated on MATLAB and verified by experimental results. Performance comparison shows better speed control of separately excited DC motor with the realized digital FO-PID controller than that of the integer order PID controller.
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The authors would like to thank the support provided by the Board of Research of Nuclear sciences of the Department of Atomic Energy, India, under the BRNS Project Sanction No. BRNS 2012/36/69-2951.
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Khubalkar, S., Chopade, A., Junghare, A. et al. Design and Realization of Stand-Alone Digital Fractional Order PID Controller for Buck Converter Fed DC Motor. Circuits Syst Signal Process 35, 2189–2211 (2016). https://doi.org/10.1007/s00034-016-0262-2
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DOI: https://doi.org/10.1007/s00034-016-0262-2