Real time Implementation of Sliding mode Controller for Speed Synchronization of Dual Servo system

Real time Implementation of Sliding mode Controller for Speed Synchronization of Dual Servo system
Author(s):
Bharat R Vala, Prof. Manisha C Patel
Keywords:
sliding mode control, cross- coupled controller, servo motor, servo system, dual servo system.
Abstract
In order to attain higher manufacturing efficiency, “dual (two) servo systems” are widely used in advanced Computer Numerical Controlled (CNC) machine tools. A well-known example is the linear motor driven gantry type of micro machine tools where dual servos are employed to drive the heavier gantry axis.I propose Sliding Mode controllers for the servo drive system. To get high performances, we have to control the input variable in uncertainties and disturbance. Two cases are discussed for each control scheme. Normal case, parameter variation case, and disturbance case are considered. When PI Controller is implemented in the system, its gives better performance compared to other controllers, but results are ineffective for disturbance case. Sliding mode control is then implemented. It is observed that system performance increases when compared to PI for parameter variation case and for disturbance case which shows the robustness of SMC.
Article Details
Unique Paper ID: 142559 Publication Volume & Issue: Volume 2, Issue 3 Page(s): 136 - 140
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