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Department of Electrical Engineering

Dr. (Mrs.) Shashwati Ray

Professor

Dr. (Mrs.) Shashwati Ray

Department Electrical Engineering
Designation Professor
Educational Qualification Ph.D. (System & Control), M. Tech. (Control System), B.E. (Electrical Engineering)
E-Mail s.ray@bitdurg.ac.in
Contact Number (0788) 2359297, Extn. 419
Areas of Interest

Optimization, Robust Control, Power System Optimization, Signal Processing, Numerical Analysis using interval analysis techniques, Renewable Energy, Energy Management and Control Strategies in Fuel Cell Hybrid Electric Vehicles

Publications
    • International Journals 
      1. Shashwati Guha and K. K. Aggrawal “Extension of Minimum effort method for non-series-parallel Systems”, International Journal of Quality and Reliability Management, vol. 6, no. 1, pages 19 – 25, 1989, Emerald Insight, England. https://doi.org/10.1108/EUM0000000001622
      2. K. K. Aggrawal  and Shashwati Guha  “Reliability Allocation in a General System with Non-Identical Components – A Practical Approach”, International Journal of Microelectronics and Reliability, vol. 33,  no. 8, pages 1089 – 1093, 1989, Elsevier Science, England. https://doi.org/10.1016/0026-2714(93)90336-W
      3. Shashwati Ray and P. S. V. Nataraj, “ An efficient algorithm for range computation of polynomials using the Bernstein form”, Journal of Global Optimization, vol. 45, no.3, November, pages 403-426 , 2009 Springer, Netherlands doi:10.1007/s10898-008-9382-y
      4. Shashwati Ray and P. S. V. Nataraj, “A new strategy for selection of subdivision point in the Bernstein approach to polynomial optimization”, Reliable Computing Journal, vol. 14, April, pages 117-137, 2010, Springer. interval.louisiana.edu/reliable-computing.../reliable-computing-14-pp-117-137.pdf
      5. Surekha Bhusnur and Shashwati Ray, “Robust Control of Integrating Systems Using CDM Based Two Loop Control Structure”, International Journal of Reliability and Safety, vol. 5, nos. 3/4, pages 250-269, 2011, Inderscience. doi:http://dx.doi.org/10.1504/IJRS.2011.041179
      6. Archana Gupta and Shashwati Ray, “Interval based Differential Evolution approach for Combined Economic Emission Load Dispatch”, International Journal of Reliability and Safety, vol. 5, nos. 3/4, pages 270-284, 2011, Inderscience. doi: http://dx.doi.org/10.1504/IJRS.2011.041179.
      7. Surekha Bhusnur and Shashwati Ray, “Robust Performance of a Stable and an Unstable Interval Plant in the Two Loop Model Following Control Structure”, Journal of The Institution of Engineers (India): Series B Electrical, Electronics & Telecommunication and Computer Engineering, Vol 93, No. 2, pages81-90, 2012, Springer. https://link.springer.com/article/ doi:10.1007/s40031-012-0017-9
      8. Shashwati Ray and P.S.V. Nataraj, “Efficient Computation of Bernstein Coefficients”, Reliable Computing Journal, Vol. 17, December, pages 40-71, 2012, Springer. interval.louisiana.edu/reliable-computing...17/reliable-computing-17-pp-40-71.pdf
      9. Shimpy Ralhan and Shashwati Ray, “Optimal Coordination of Directional Overcurrent Relays using Interval revised Simplex Linear Programming”, International Review of Applied Engineering Research, ISSN (2248-9967), Vol.3, No. 4, pages 30-34,  2013, Research India Publication.
      10. Shimpy Ralhan and Shashwati Ray, "Optimal Coordination of Directional Overcurrent Relays using Interval Two Phase Simplex Linear Programming", International Journal of Advanced Computer Research (IJACR), September, 2013. ISSN (print): 2249-7277 ISSN (online): 2277-7970) accentsjournals.org/PaperDirectory/Conference/ICETTR-2013/6.pdf
      11. Om Prakash Yadav and Shashwati Ray, “Modeling and Segmentation of ECG Signals through Chebyshev Polynomials”, International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, Vol. 2, Issue 10, October, pages 4696-4703, 2013. ISSN ONLINE(2278-8875) PRINT (2320-3765) https://www.rroij.com/open-access
      12.  T.V. Dixit, Nivedita Rajak, Surekha Bhusnur and Shashwati Ray, “CDM Controller Design for Non-minimum Unstable Higher Order System”, Computational Intelligence in Data Mining - Volume 3, Smart Innovation, Systems and Technologies 33, Pages 417-428, Springer India 2015. DOI 10.1007/978-81-322-2202-6_38
      13.   Om Prakash Yadav and Shashwati Ray, “Smoothening and Segmentation of ECG Signals Using Total Variation Denoising Minimization-Majorization and Bottom-Up Approach”, Procedia Computer Science, Vol. 85, pages 483 – 489, 2016. doi: 10.1016/j.procs.2016.05.195
    • National Journals 
      1. Surekha Bhusnur and Shashwati Ray, "Robustness analysis of two loop and conventional single loop control structures", CSVTU Research Journal (ISSN 0974-8725), Vol.3, No.1, January, pages 41-46, 2010, India
      2. Archana Gupta and Shashwati Ray, “Interval Based Differential Evolution Algorithm For Combined Economic Emission Load Dispatch”, CSVTU Research Journal (ISSN 0974-8725), Vol.4, No.1, pages 80-86, 2011, India.
      3. Shashwati Ray, "Economic Load Dispatch Solution using Interval Gradient Method”, Advanced Research in Electrical and Electronic Engineering, (Print ISSN: 2349-5804; Online ISSN: 2349-5812) Vol. 1, No. 4, pages 55-58, 2014, New Delhi. www.krishisanskriti.org/vol_image/13Jun201503064114.pdf. doi:10.1155/2014/906028
    • International Conferences 
      1. Surekha Bhusnur and Shashwati Ray, “Analysis and Comparison of Single Loop and Robust Two Loop Control Structure as Applied to a Position Servo System”, International Conference on Advances in Control and Optimization of Dynamical Systems (ACODS), pages 274-277, Feb 1-2, 2007, IISC Bangalore. acdos.org/ACODS2012/274-S05_P220.pdf
      2. Archana Gupta and Shashwati Ray, “A New Hybrid Interval Differential Evolution Algorithm for Global Optimization”, International Conference on Communication Computers and Instrumentation (ICCCI), Jan 2-3, 2009, at Vivekanand Education Society’s Institute of Tech, Mumbai.
      3. Surekha Bhusnur and Shashwati Ray, "A Novel Robust Control Strategy for Interval Plants Using The Two Loop MFC and CDM", 4th International Workshop on Reliable Engineering Computing (REC2010), "Robust Design - Coping with Hazards, Risk and Uncertainty", March 3-5, pages 665-683, 2010, Singapore. ISBN: 978-981-08-5118-7 doi:10.3850/978-981-08-5118-7 035
      4. Archana Gupta and Shashwati Ray, "Economic Emission Load Dispatch using Interval Differential Evolution algorithm", 4th International Workshop on Reliable Engineering Computing (REC2010), "Robust Design - Coping with Hazards, Risk and Uncertainty", pages 399-414, March 3-5, 2010, Singapore. ISBN: 978-981-08-5118-7. doi:10.3850/978-981-08-5118-7 034
      5. Shimpy Ralhan and Shashwati Ray, "Optimal Coordination of Directional Overcurrent Relays using Interval Two Phase Simplex Linear Programming", International Conference on Emerging Trends, Technology and Research (ICETTR), September 21-22, 2013, Nagpur, Maharashtra.
      6. Shimpy Ralhan and Shashwati Ray, "Directional Overcurrent Relays Coordination using Linear Programming Intervals: A Comparative Analysis”, International conference on Impact of Engineering on Global Sustainability (INDICON 2013), IEEE Bombay Section, December 13 - 15, 2013 at IIT Bombay. DOI: 10.1109/INDCON.2013.6725883
      7. Shashwati Ray, "Economic Load Dispatch Solution using Interval Gradient Method”, International Conference on Innovative Approaches in “Electrical, Power Control, Electronics Engineering and Applied Communication Technology” (IAEPEACT – 2014), August 2-3, 2014, at Jawaharlal Nehru University, New Delhi,
      8. Om Prakash Yadav and Shashwati Ray, “Total Variational Denoising of ECG signals Using Majorization Minorization Technique”, Indian Control Conference, January 5-7, 2015, IIT, Chennai
      9. T.V. Dixit, Nivedita Rajak, Surekha Bhusnur and Shashwati Ray, “CDM Controller Design for Non-minimum Unstable Higher Order System”, The International Conference on Computational Intelligence in Data Mining (ICCIDM-2014), 20-21 December 2014, Burla. DOI 10.1007/978-81-322-2202-6_38. 417
      10. Shashwati Ray and Shimpy Ralhan, “Power Flow Solution for Systems with Uncertainties”, Proceedings of International Conference on Computing, Communication, Electrical, Electronics, Devices & Signal Processing (CCEEDS), pages 887-882, 28th - 30th Mar-2015, Sri Sunflower College Of Engineering and Technology, Lankapalli (Vijayawada)-521126, Krishna Dist., A.P., INDIA
      11. Surekha Bhusnur and Shashwati Ray, “Two Loop Control Structure Based Robust Tracking Using Coefficient Diagram Method”, Proceedings of International Conference on Computing, Communication, Electrical, Electronics, Devices & Signal Processing (CCEEDS), pages , 28th - 30th Mar-2015, Sri Sunflower College Of Engineering and Technology, Lankapalli (Vijayawada)-521126, Krishna Dist., A.P., INDIA
      12. Shashwati Ray and Shimpy Ralhan, “Interval Load Flow Solution for Systems with Uncertainties“, 12th IEEE India International Conference INDICON-2015 on Electronics, Energy, Environment, Communication, Computer, Control, 17-20 December, 2015, Jamia Millia Islamia, New Delhi, India. ISSN: 2325-9418. DOI: 10.1109/INDICON.2015.7443442
      13. Shashwati Ray and Om Prakash Yadav, “Approximation of ECG Signals using Chebyshev Polynomials”, 7th  International Workshop on Reliable Engineering  Computing, “Computing with Polymorphic Uncertain Data”, June 15-17, 2016, Ruhr University Bochum, Germany, pages 335-348. http://rec2016.sd.rub.de/papers/REC2016-FP-23
      14. Shashwati Ray and Shimpy Ralhan, “Reliable Power Flow Analysis of Systems with Uncertain Data”, 7th  International Workshop on Reliable Engineering  Computing, “Computing with Polymorphic Uncertain Data”, June 15-17, 2016, Ruhr University Bochum, Germany, pages 379-398. http://rec2016.sd.rub.de/papers/REC2016-FP-26
      15. Shashwati Ray, “Design and Development of Tilted Single Axis and Azimuth-Altitude Dual Axis Solar Tracking Systems”, IEEE First International Conference on Power Electronics, Intelligent Control and Energy Systems, July 4-6, 2016, Delhi Technological University, New Delhi. DOI: 10.1109/ICPEICES.2016.7853190.
      16. Nikhil Gaurav and Shashwati Ray, "Design of snubber circuit to minimize switching and conduction losses in boost converter", IEEE International Conference on Smart Technologies and Management for Computing, Communication, Controls, Energy and Materials (ICSTM), Aug  2 – 4, 2017, Vel Tech Rangarajan Dr. Sagunthala R&D Inst of Sci and Tech, Chennai. DOI: 10.1109/ICSTM.2017.8089206
      17. Pooja Thawait and Shashwati Ray, "Coordination of Directional Overcurrent Relays using Linear and Nonlinear Programming Techniques", IEEE 2nd International Conference on Inventive Computation Technologies (2nd ICICT 2017), August 24-25, 2017, RVS Technical Campus, Coimbatore.
      18. Om Prakash Yadav and Shashwati Ray, "Efficient ECG approximation using Chebyshev Polynomials", IEEE 2nd International Conference on Inventive Computation Technologies (2nd ICICT 2017), August 24-25, 2017, RVS Technical Campus, Coimbatore.
      19. Neha Gupta, Shimpy Ralhan and Shashwati Ray, "Optimized Coordinated Economic Load Dispatch And Automatic Generation Control For An Interlinked Power System", First International Conference on Advanced Computational and Communication Paradigms (ICACCP), September 08-10, 2017, Sikkim Manipal Institute of Technology (SMIT), Sikkim.
      20. Om Prakash Yadav and Shashwati Ray, "Piecewise Modeling of ECG Signals Using Chebyshev Polynomials", 4th International Conference on Computational Intelligence in Data Mining (ICCIDM 2017), November 11 - 12, 2017, Veer Surendra Sai University of Technology, Burla, Odisha, India.
      21. Shimpy Ralhan, Richa Goswami and Shashwati Ray, "Comparative Study of Optimal Over Current Relay Coordination Using Metaheuristic Techniques", 4th International Conference on Computational Intelligence in Data Mining (ICCIDM 2017), November 11 - 12, 2017, Veer Surendra Sai University of Technology, Burla, Odisha, India.
    • National Conferences 
      1. Shashwati Guha and K. K. Aggrawal “Interactive Packages for Optimum Redundancy Allocation”, Second National Convention of Computer Engineers, organized by Institution of Engineers held at Bangalore, Nov. 5-7, 1987.
      2. Shashwati Ray and Surekha Bhusnur, “Analysis of effect of parameter variations and disturbances on a classical single loop control system”, National seminar on “Technology for Sustainable Development - Perspective and Strategies”, Jan. 6–7, 2007, Bilaspur, sponsored by Bharat Sanchar Nigam Limited, Bilaspur (C.G.).
      3. Archana Gupta and Shashwati Ray, “Differential Evolution based Multi Objective generation Dispatch”, National Workshop on Nonlinear and Variable Structure Control System, 19-20 April, 2008 at A.D. Patel Institute of Technology, New V.V.Nagar.
      4. Archana Gupta and Shashwati Ray, “Multi Objective environmental and economic load dispatch solution using Interval Differential Evolution”, Second National Conference on Green Energy Alternatives for Rural and Urban Development, 8-9 November, 2011, New Delhi organized by International Development Centre Foundation (IDC Foundation) in collaboration with Ministry of New and Renewable Energy (MNRE) and Ministry of Environment and Forests, Government of India.

     

    Book/ Monograph/Book Chapter:

    • Shashwati Ray, Surekha Bhusnur and Archana Gupta,” Proceedings of the 4th International Workshop on Reliable Engineering Computing Robust Design — Coping with Hazards, Risk And Uncertainty”, ISSN: 978-981-08-5118-7, Research Publishing, Singapore, 2010
    • T.V. Dixit, Nivedita Rajak, Surekha Bhusnur and Shashwati Ray, “CDM Controller Design for Non-minimum Unstable Higher Order System”, Computational Intelligence in Data Mining - Volume 3, Smart Innovation, Systems and Technologies, Volume 33, ISSN:2190-3018, Springer, India, 2015. DOI 10.1007/978-81-322-2202-6_38. 417
Other Info.

Other Responsibilities:



Felowship/Awards/Other recognitions:

    • Presented two research papers at 4th International Workshop on Reliable Engineering Computing (REC2010), "Robust Design - Coping with Hazards, Risk and Uncertainty", from 3-5 March, 2010 at Singapore. Trip was totally funded by AICTE and DST.
    • Acting as reviewer for Reliable Computing Journal, International Journal of Reliability and Safety by Inderscience; Applied Soft Computing by Elsevier, International journal of Systems Assurance Engineering and Management by Springer, International Journal of Ambient Energy by Taylor & Francis.
    • Presented two research papers at 7th International Workshop on Reliable Engineering Computing (REC 2016) “Computing with Polymorphic Uncertain Data”, from 15-17 June, 2016 at Ruhr University Bochum, Germany. Trip was funded by CCOST.
    • Presented numerous papers and expert talks at various institutions in India