Dr. Gopinath G R is an Assistant Professor in the Electrical & Electronics Engineering Department at Mahindra École Centrale College of Engineering. Prior to joining MEC, he worked as a Senior Student Research associate at Indian Institute Of Technology, Kanpur.
10/2006 to 12/2006: Honeywell Technology Solns. Lab Pvt. Ltd., Bangalore for industrial training
28/12/2007 to 1/1/2010: IBM India Pvt. Ltd., Bangalore - System Engineer (Software)
Certified with IBM Bravo award for presenting the best poster "Little Emperor Problem" in the Healthcare Sharenet, Bangalore on 15/9/2008.
1/4/2017 to Jan 2018: Indian Institute of Technology, Kanpur
Senior Student Research associate
Jan 2010 to Dec 2016: Tutor for the following laboratory courses
Tutor for the following theoretical courses
Indian Patent:Sensorless Permanent Magnet Synchronous Motor (PMSM) drive with online stator resistance and load torque estimation. Summary of the invention: Adaptive Extended Kalman filter (EKF) based speed and position sensorless control of PMSM is carried out, with joint estimation of load torque and stator resistance. Estimation of load torque is shown to accommodate an increased bandwidth of speed control loop, thereby improving the transient response to step changes in load. A modified speed PI controller is used to decrease the peak overshoot in speed for step changes in reference speed at light loading, and to allow full load starting of the PMSM drive. Estimation of stator resistance improves speed reference tracking, for variation in stator resistance with continuous loading of the machine. The novelty lies in using a simple adaptive technique for EKF, to improve the accuracy of resistance estimation for variable loading of the machine.
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