Delay Compensation for DC Servo Motor using Smith Predictor Scheme
Nilesh Patil1, Mohit Udani2, Rushi Bhusari3
1Nilesh Patil, Department of Electrical Engineering at Veermata Jijabai Technological Institute, Mumbai, India.
2Mohit Udani, Department of Electrical Engineering at Veermata Jijabai Technological Institute, Mumbai, India.
3Rushi Bhusari, Department of Electrical Engineering at Veermata Jijabai Technological Institute, Mumbai, India.
Manuscript received on January 25, 2014. | Revised Manuscript received on February 16, 2014. | Manuscript published on February 28, 2014. | PP: 323-325 | Volume-3, Issue-3, February 2014. | Retrieval Number: C2733023314/2013©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Feedback control systems wherein the control loops are closed through a real time network are called Networked Control System (NCS). The defining feature of a NCS is that information (reference input plant output control input is exchanged using a network among control system components (sensors, controller, actuator, Time delay occurs in the networked control system when the exchange of data among sensors, actuators and controllers takes place. Such delays result in Performance degradation and the reduced stability or total instability of the closed-loop system. In order to compensate time-delay in the networked control system (NCS),different time delay compensation schemes are available i.e. PID controller, LQR controller, Fuzzy controller, etc. In this paper PID controller is used for compensating the time delays in the NCS. Mathematical Modeling for DC Servo Motor have been presented. The main objective of this paper is to compensate the delay in the servo feedback loop by using Smith Predictor compensation scheme.
Keywords: Servo Motor, Smith Predictor, PID Controller.