Abstract
In this paper, the problem of high-performance robust position control of a DC motor based on the uncertainty and disturbance estimator (UDE) is presented. The UDE based sliding mode controller (SMC) is proposed which makes the system insensitive to the effect of Coulomb’s friction, parameter variations, and variable external load in DC motor. Fair comparison between UDE based SMC and existing classical technique is carried out by making PID as a robust controller by using Q-filter design. The different filter designs provide different estimates of nonlinearity, uncertainties, and external disturbances at a different resolution of position encoders. The proposed method guarantees robustness and ultimately eliminates the chattering phenomenon which is generally occurred in SMC.
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Subhash S. Sankeshwari received his M.Tech degree in Electrical Engineering from Shivaji University, India in 2009 and his Ph.D degree in Electrical Engineering from Swami Ramanand Teerth Marathwada University, Maharashtra, India in August 2019. He is currently with K.L.E Dr. M.S. Sheshgiri College of Engineering and Technology, Karnataka, India. His research interests includes control system, non linear control system and sliding mode control.
Rajan H. Chile received his Ph.D. degree in Instrumentation Engineering from IIT,Roorkee, India in 1999 and M.E degree from Dr. Babasaheb Ambedkar Marathwada University, Maharashtra, India in 1992. He is currently with the Shri Guru Gobind Singhji Institute of Engineering and Technology, Maharashtra, India. His research interests include Adaptive and Process control, Process instrumentation and Power plant instrumentation.
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Sankeshwari, S.S., Chille, R.H. Performance Analysis of Disturbance Estimation Techniques for Robust Position Control of DC Motor. Int. J. Control Autom. Syst. 18, 486–494 (2020). https://doi.org/10.1007/s12555-018-0838-7
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DOI: https://doi.org/10.1007/s12555-018-0838-7