Incorporation of fractional-order dynamics into an existing PI/PID DC motor control loop |
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| Affiliation: | 1. Department of Computer Control, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia;2. Existing Installation Department, Jardine Schindler Elevator Corporation, 8/F Pacific Star Bldg., Sen. Gil Puyat Ave. cor. Makati Ave., Makati City 1209, Philippines;3. Institute of Cybernetics, Tallinn University of Technology, Akadeemiatee 21, 12618 Tallinn, Estonia;4. Systems Engineering and Automation Department, University CarlosIII of Madrid, 28911 Leganés Madrid, Spain;5. Institute of Control and Informatization of Production Processes, Faculty BERG, Technical University of Ko?ice, B. Nemcovej 3, 042 00 Ko?ice, Slovakia;1. Department of Electrical and Electronics Engineering, Maharaja Surajmal Institute of Technology, Janakpuri, New Delhi, India;2. Department of Electrical Engineering, Delhi Technological University, Main Bawana Road, Delhi, India;1. Department of Systems Engineering and Engineering Management, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China;2. Department of Automation, University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | The problem of changing the dynamics of an existing DC motor control system without the need of making internal changes is considered in the paper. In particular, this paper presents a method for incorporating fractional-order dynamics in an existing DC motor control system with internal PI or PID controller, through the addition of an external controller into the system and by tapping its original input and output signals. Experimental results based on the control of a real test plant from MATLAB/Simulink environment are presented, indicating the validity of the proposed approach. |
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| Keywords: | Fractional calculus Fractional PID control SISO control Process control Controller tuning DC motor Servo system |
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