Bio-sketch

Dr. Pragya Varshney is Professor in the Division of Instrumentation and Control Engineering. She holds Bachelor of Engineering in Electrical Engineering form University of Roorkee (Now, IIT Roorkee), Roorkee, and Master of Engineering in Control and Instrumentation from Delhi College of Engineering, Delhi. She is Ph. D. from University of Delhi. Her research interests include Signal Processing, VLSI Design and Adaptive Control. She has published her work in various International Journals including IEEE Transactions on Circuits and Systems – II: Express Briefs. She has also presented her research work in several International IEEE Conferences in India and abroad. She is a member of IEEE since 2004 and life member of ISTE. She is regularly reviewing articles for some International Conferences and has reviewed few journal publications. She has guided several Ph. D. research scholars and M. Tech. students.

Areas of Interest

Signal Processing, VLSI Design, Intelligent Control

Publications in International Journal

 

Publications in National Journal

 

Publications in National Conferences

 

Publications in International Conferences

 

Books/Book Chapters

 

Publications (Click to expand)

PAPER PUBLISHED IN JOURNALS:

1.          S. Gupta, P. Varshney and S. Srivastava, “Whale Optimization Based Synchronization and Control of Two Identical Fractional Order Financial Chaotic Systems,” Journal of Intelligent & Fuzzy Systems. 1-14. 10.3233/JIFS-189761, 2020.

2.  S. Gupta, V. Upadhyaya, A. Singh, P. Varshney and S. Srivastava, “Modeling of Fractional Order Chaotic Systems using Artificial Bee Colony Optimization and Ant Colony Optimization,” Journal of Intelligent and Fuzzy Systems, 2018, vol. 35(5),  pp.  5337-5344,  DOI:10.3233/JIFS-169816.

3. D. Goyal, and P. Varshney, “Analog Realization of Electronically Tunable Fractional Order Differ-Integrators,” Arabian Journal for Science and Engineering, https://doi.org/10.1007/s13369-018-3209-z, April 2018.

4.           N. Shrivastava and P. Varshney, “A new improved technique for frequency band implementation of fractional order functions,” International Journal of Mathematical Models and Methods in Applied Sciences, NAUN, Vol. 12, 2018, pp. 185-193.

 

5.           N. Shrivastava and P. Varshney, “Implementation of Carlson based Fractional Differentiators in Control of Fractional Order Plants,” Vol. 10, No. 9, Sept. 2018, IJISA, MECS Press,              DOI: 10.5815/ijisa.2018.09.08

 

6. D. Goyal, and P. Varshney, “CCII and RC fractance based fractional order current integrator,” Microelectronics Journal , Volume 65, pp. 1-10, 2017, DOI: 10.1016/j.mejo.2017.05.002.

7. K. Singh and P. Varshney, “Optimization of PID Parameter using Genetic Algorithm,” Journal of Instrument Society of India, Volume 44, No. 2, pp. 103-105, June 2014.

8.    M.  Gupta, P.  Varshney and G.  S.  Visweswaran, “Digital fractional-order differentiator and integrator models based on first-order and higher order operators,” International Journal of Circuit Theory and Applications, Volume 39, Issue 5, May 2011, pp. 461–474.

 

9.     P. Varshney, M. Gupta and G. S. Visweswaran, “Realizations of Fractional-Order Switched Capacitor Realizations of Fractional-Order Differentiators and Integrators Based on an Operator with Improved Performance,” Radioengineering Journal, Vol. 20, No. 1, April 2011, pp. 340-348.

 

10.   G. S. Visweswaran, P. Varshney and M. Gupta, “New Approach to Realize Fractional Power in z- Domain at Low Frequency,” IEEE Transactions on Circuits and  Systems—II: Express Briefs, Vol. 58, No. 3, March 2011, pp. 179-183.

 

11.  P.  Varshney, M.  Gupta and G.  S.  Visweswaran, “Implementation of Switched Capacitor Fractional Order Differentiator (PDδ) circuit,” International Journal of Electronics, Vol. 95,  No. 6, Jan. 2008, pp. 531-547.

 

12. P. Varshney, M. Gupta and G. S. Visweswaran, “New Switched Capacitor Fractional Order Integrator,” Journal of Active and Passive Electronic Devices JAPED, Vol. 2, No. 3, 2007, pp. 187-197.

 

13. M. Gupta, P. Varshney and G. S. Visweswaran, “Design of Ladder Based Switched Current Circuits – A novel approach,” WSEAS Transaction on Circuits and Systems, Vol. 5, Issue 12, December 2006.

 

PAPERS PUBLISHED IN INTERNATIONAL CONFERENCES:

1.            N. Shrivastava and P. Varshney, “Efficacy of NPC technique in approximation of fractional order differentiators and integrators,” IEEE 2^nd International Conference of Emerging Technologies 2021 (INCET 2021), Karnataka, India, 21-23 May 2020.

 

2.            P. Varshney, M. Singh, N. Agrawal, P. Vij and V. Jain, “Fractional order Coefficient Optimization using TLBO method,” 8^th International Conference on Recent Trends in Computing (ICRTC-2020), SRM Institute of Science and Technology, NCR Campus, July 2020.

3.            N. Shrivastava and P. Varshney, “Stability Analysis of Fractional order plant with Delay,” 8^th International Conference on Recent Trends in Computing (ICRTC-2020), SRM Institute of Science and Technology, NCR Campus, July 2020.

4.            N. Shrivastava and P. Varshney, "Application of Newton iterative process in approximation of fractional differentiator and integrator," 2019 2^nd International Conference on Intelligent Computing, Instrumentation and Control Technologies (ICICICT), Kannur, India, 2019, pp. 589-592, DOI: 10.1109/ICICICT46008.2019.8993247.

5.           S. Gupta, G. Gautam, Deepak, D. Vats, P. Varshney, S. Srivastava, “Estimation of Parameters in Fractional order Financial Chaotic system with Nature Inspired Algorithms,”  Procedia Computer Science, Volume 173, 2020, Pages 18-27, Elsevier. DOI: https://doi.org/10.1016/j.procs.2020.06.004.

6.        S. Gupta, A. Bhardwaj, R. Sharma, P. Varshney, S. Srivastava, “Image Edge Detection using Fractional Order Differential Calculus,” ICVIP 2018: Proceedings of the 2018: 2^nd International Conference on Video and Image Processing, Hong Kong, Dec. 2018, Pages 44–48, https://doi.org/10.1145/3301506.3301507

7.    D. Goyal, and P. Varshney, “Implementation of Current Mode Integrator for Fractional orders n/3,” In: Malik H., Srivastava S., Sood Y., Ahmad A. (eds) Applications of Artificial Intelligence Techniques in Engineering. Advances in Intelligent Systems and Computing, vol 697. Springer, Singapore. https://doi.org/10.1007/978-981-13-1822-1_47

 

8.            A. Bhardwaj and P. Varshney, “No-Reference Image Corrosion Detection of Printed Circuit Board,” In: Malik H., Srivastava S., Sood Y., Ahmad A. (eds) Applications of Artificial Intelligence Techniques in Engineering. Advances in Intelligent Systems and Computing, vol 697. Springer, Singapore. https://doi.org/10.1007/978-981-13-1822-1_15

9.            N. Shrivastava and P. Varshney, “Frequency band implementation of non-integer order functions,” 2018 IEEE 5^th International Conference on Signal Processing and Integrated Networks (SPIN), Noida, 2018, pp. 852-857, doi: 10.1109/SPIN.2018.8474131.

10.   S. Gupta, S. Srivastava and P. Varshney, “Fractional order chaotic systems: A survey,” 2017 International Conference on Computing, Communication and Automation (ICCCA), Greater Noida, 2017, pp. 1109-1113, IEEE, DOI: 10.1109/CCAA.2017.8229962

11.        N. Shrivastava, and P. Varshney, “Efficacy of Order Reduction Techniques in the Analysis of Fractional Order Systems,” IEEE, TENCON 2017, Malaysia, November 5-8, 2017,                   pp. 2967-2972.

 

12.        D. Goyal, and P. Varshney. “CCII based realizations of Half order PI Controller”,4^th International Conference on Computing for Sustainable Global Development, Delhi, March 2017.

 

13.        M. Mehrol, D. Goyal and P. Varshney, “DVCCTA based PID controller with grounded passive elements,” 2^nd International Innovative Applications of Computational Intelligence on Power, Energy and Controls with their Impact on Humanity (CIPECH), Ghaziabad, 2016, pp. 41-45. DOI: 10.1109/CIPECH.2016.7918734.

 

14.        M. Mehrol, D. Goyal and P. Varshney, “Differential Voltage Current Conveyor Transconductance Amplifier based instrumentation amplifier,” 1^st IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), Delhi, 2016, pp. 1-5.DOI: 10.1109/ICPEICES.2016.7853350

 

15.        N. Shrivastava, and P. Varshney, “Comparative analysis of order reduction techniques,” 2^nd IEEE International Conference on Innovative Applications of Computational Intelligence on Power, Energy and Controls with their Impact on Humanity (CIPECH), 2016, pp. 46-50.

 

16.        N. Shrivastava, and P. Varshney, “Implementation of high frequency fractional order differentiator,” 2^nd IEEE International Conference on Innovative Applications of Computational Intelligence on Power, Energy and Controls with their Impact on Humanity (CIPECH), 2016, pp. 267-270.

 

17.        D. Goyal and  P. Varshney, “CCII based Half Integrator using Different Approximation Methods,” IEEE UP Section Conference on Electrical Computer and Electronics (UPCON), 6-9 Dec. 2015, IIIT Allahabad, India, pp. 1-6. DOI: 10.1109/UPCON.2015.7456729.

 

18.        P. Varshney, “Half-Integrator Approximation Analysis and its Realizations,” IEEE International Conference on Soft Computing Techniques and Implementation ICSCTI 2015, Faridabad, India, Oct. 2015, pp. 65-71.

 

19.        N. Shrivastava and P. Varshney, “Rational approximation of fractional order systems using Carlson method,” IEEE International Conference on Soft Computing Techniques and Implementations (ICSCTI), 2015, pp. 76 – 80.

 

20.        N. Shrivastava & P. Varshney, “Low frequency recursive digital differentiator,” IEEE Conference CIPECH 2014, Ghaziabad, UP, India, Nov. 2014, pp. 104-107.

 

21.        P. Varshney and S. K. Gupta, “Implementation of Fractional Fuzzy PID Controllers for Control of Fractional-Order systems,” 3^rd IEEE International Conference on Advances in Computing, Communications and Informatics (ICACCI 2014), Greater NOIDA, UP, India, Sept. 2014,     pp. 1-7.

 

22.        S. K. Gupta and P. Varshney, “Fractional Fuzzy PID Controller for Speed Control of DC Motor,” 3^rd IEEE International Conference on Advances in Computing and Communications (ICACC 2013), Kochi, Kerala, India, DOI: 10.1109/ICACC.2013.7, Aug. 2013, pp. 1 – 4.

23. P. Varshney, “Evaluation and comparison of integer-order approximations for fractional integrators for application to fractional-order Chua systems,” IEEE International Conference on Signal and Image Processing Applications (ICSIPA), Nov. 2011, Malaysia, pp. 307 – 311.

 

24.        P. Varshney, M. Gupta and G. S. Visweswaran, “Implementation of first and third order fractional order differentiators and integrators using switched capacitors,” 2010 India International Conference on Power Electronics (IICPE), Jan 2011, New Delhi, India, pp. 1-8.

 

25.        V. Mehra, S. Srivastava, and P. Varshney, “Fractional-Order PID Controller Design for Speed Control of DC Motor,” Third International Conference on Emerging Trends in Engineering and Technology (ICETET), IEEE 2010, pp. 422-425.

26.        P. Varshney, M. Gupta and G. S. Visweswaran, “First and higher order operator based fractional order differentiator and integrator models,” IEEE TENCON 2009, 23-26 Jan. 2009, Singapore, pp. 1 – 6.

 

27.        M. Gupta, P. Varshney, G. S. Visweswaran and B. Kumar, “Novel Digital differentiator and corresponding fractional order differentiator models”, SIGMAP 2008, International Conference on Signal Processing and Multimedia Applications, July 2008, Porto, Portugal, pp. 47-54.

28.        P. Varshney, M. Gupta and G. S. Visweswaran, “Higher Degree Half Order Differentiators and Integrators,” 2^ndInternational Conference on Embedded Systems, Mobile Communication and Computing, Aug. 2007, Bangalore.

29.        M. Gupta, P. Varshney and G. S. Visweswaran, “Design and Analysis of Switched Capacitor Fractional order Differentiator Circuit”, 3^rd International Conference on Microwave, Antenna, Propagation and Remote sensing, Dec. 2006, Jodhpur.

30.        M. Gupta, P. Varshney and G. S. Visweswaran, “A Systematic Approach for the Design of Ladder based Switched Current Bandpass Filter”, 5^th WSEAS International Conference on Circuits, Systems, Electronics, Control & Signal Processing, Dallas, USA, Nov. 2006, pp. 138-142.

31.        P. Varshney, N. Gupta, and S. Srivastava, “Realizations of Fuzzy Controller using Switched Capacitor Circuits”, 4^thInternational Conference on Computing, Communications & Control Technologies (CCCT-06), Orlando, Florida, USA, July 2006, pp. 16- 19.

 3

2.        P. Varshney, M. Gupta and G. S. Visweswaran, “Effect of Finite Amplifier Gain, Bandwidth, and Non- Idealities of Switches in Switched Capacitor Ladder Circuits”, 5^thWSEAS International Conference on Instrumentation, Measurement, Circuits and Systems, Hangzhou, China, April  2006, pp. 300-305.

 

33.        P. Varshney, M. Gupta and G. S. Visweswaran, “Novel Switched Capacitor Half Differentiator Using Schneider Operator,” ELECO 2005, 4^thInternational Conference on Electrical and Electronics Engineering, Bursa, Turkey, Dec. 2005, site:

http://www.emo.org.tr/etkinlikler/eleco_en/etkinlik_bildiriler.php?etkinlikkod=54

 

34.  P. Varshney, M. Gupta and G. S. Visweswaran, ‘Switched Capacitor Realization Of Fractional Order Differentiator’, Proc. 10^th International Symposium on Integrated Circuits, Devices and Systems ISIC 2004, Suntec, Singapore, Sept. 2004, pp. 215-218.

PAPERS PUBLISHED IN NATIONAL CONFERENCES:

1.            S. Midha, M. Gupta and P. Varshney, “Low Power CMOS Transmission Gate in Sub- Threshold Region and its application” in ISTE conference, NSIT, May 31 -  June 1, 2008, New Delhi.

 

2.            P. Varshney, M. Gupta and G. S. Visweswaran, “Influence of Non-ideal Effects in Switched Capacitor Ladder Circuits,” NCETET-2006, National Conference on Emerging Trends in Electronics Technologies, March 04-05, 2006, Jammu, pp. 21-26.

 

3.            N. Gupta, P. Varshney and S. Srivastava, “Realization of fuzzy model architecture,” NC-ECC 2006, National Conference on Energy, Communication and Computer Systems, Feb. 2006.

 

4.            P. Varshney, M. Gupta and G. S. Visweswaran, “Switched Capacitor Realizations Of Half Differentiator,” MTECS 2005 – National Conference on Modern Trends in Electronics and Communication Systems, Department of Electronics Engineering, ZH College of Engineering and Technology, AMU, Aligarh, pp. 9-13, March 2005.

5. M.  Gupta, P.  Garg and P.  Varshney, “Mobile Technology For Education,” 34th Annual Convention of ISTE, NSIT, New Delhi, paper no.  5-235, pp. 98, Dec. 2004.