Journal Publications
- Karthik Thirumala, Aditi Kanjolia, Trapti Jain and Amod C. Umarikar, "Empirical Wavelet Transform and Dual Feed-forward Neural Network for Classification of Power Quality Disturbances," Int. J. Power and Energy Conversion, vol.11, Issue 1, pp.1-21, January 2020.
- Karthik Thirumala, Sushmita Pal, Trapti Jain and Amod C. Umarikar, "A classification method for multiple power quality disturbances using EWT based adaptive filtering and multiclass SVM," Neurocomputing, Vol. 334, pp. 265- 274, March 2019.
- Karthik Thirumala, Amod C. Umarikar and Trapti Jain, "An Improved Adaptive Filtering Approach for Power Quality Analysis of Time-Varying Waveforms," Measurement, Vol. 131, pp. 677-685, Jan. 2019.
- Karthik Thirumala, M. Siva Prasad, Trapti Jain, and Amod C. Umarikar, “Tunable - Q Wavelet Transform and Dual Multi-class SVM for Online Automatic Detection of Power Quality Disturbances,” IEEE Transactions on Smart Grid, Vol. 9, Issue 5, pp.3018 - 3028, July 2018.
- Karthik Thirumala, Shantanu, Trapti Jain, and Amod C. Umarikar, “Visualizing Time-Varying Power Quality Indices using Generalized Empirical Wavelet Transform,” Electric Power Systems Research, Vol. 143, pp.99-109, Oct. 2016.
- Karthik Thirumala, Amod C. Umarikar and Trapti Jain, “Estimation of Single-phase and Three-phase Power Quality Indices using Empirical Wavelet Transform,” IEEE Transactions on Power Delivery, Vol. 30, Issue 1, pp.445-454, February 2015.
Conference Publications
- Harshal Jamode, Karthik Thirumala, Trapti Jain, and Amod C. Umarikar, "Virtual Power Quality Disturbance Classifier using Knowledge-based Neural Network," in Proc. of 2019 9th National Power ELectronics Conference (NPEC 2019), pp. 1-6, Tiruchirappalli, India, December 13-15, 2019.
- Karthik Thirumala, Amod C. Umarikar, and Trapti Jain, "DSP Implementation of the Empirical Wavelet Transform for Classification of Power Quality Disturbances," in Proc. of 2017 7th IEEE International Conference on Power Systems (ICPS), pp. 698-703, Pune, India, December 21-23, 2017.
- Karthik Thirumala, Amod C. Umarikar, and Trapti Jain, "A New Classification Model based on SVM for Single and Combined Power Quality Disturbances," in Proc. of 19th National Power Systems Conference (NPSC 2016), IIT Bhubaneswar, India, December 19-21, 2016.
- Karthik Thirumala, Amod C. Umarikar, and Trapti Jain, "A Generalized Empirical Wavelet Transform for Classification of Power Quality Disturbances," in Proc. of 2016 IEEE International Conference on Power System Technology (POWERCON), Wollongong, Australia, September 28-30, 2016.
- Karthik Thirumala, M. Siva Prasad, Trapti Jain and Amod C. Umarikar, "Tunable-Q Wavelet Transform based Approach for Recognition of Power Quality Disturbances," in Proc. of International WIE Conference on Electrical and Computer Engineering (WIECON-ECE 2015), BUET Dhaka, Bangladesh, December 19-20, 2015.
- Karthik Thirumala, Amod C. Umarikar and Trapti Jain, “Empirical Wavelet Transform based Single Phase Power Quality Indices,” in Proc. of 18th National Power Systems Conference (NPSC 2014), IIT Guwahati, India, December 18-20, 2014.
- K. Thirumala and G. S. Raju, “New Criterion for Stator Inter-turn Fault Detection of Synchronous Generator,” in Proc.of 17th National Power Systems Conference (NPSC), IIT Varanasi, December 2012.
- N. Krishna Kumari, K. Thirumala, and C. Sai Swaroop, “Multiple Output AC-DC converters with an Internal DC-UPS,” in Proc. of International Conference on Renewable Energy Technologies (iCORET 2011), PSG College of Technology, Coimbatore, December 2011.