Dr. Rajeeb Dey


Associate Professor
Email: rajeeb[at]ee[dot]nits[dot]ac[dot]in
Date of Joining: 28/11/2014
Academic/Industrial Experience: 25+ years
Google Scholar: Click Here


  • Control System Theory (Robust control, time-delay control, Estimation theory)
  • Control Applications – Biomedical systems, Robotics, Power System Engg
  • Control of Cyber Physical Systems
  • Modeling of Social and Behavioral Systems


Born at Tezu (Lohit District) Arunachal Pradesh in 1971, completed schooling from East Kameng district (Seppa), Arunachal Pradesh in 1987, completed Diploma in Electrical Engineering from Lukdhirji Engineering college, Morbi, Gujarat in 1990, served as service engineer in industry till 1992, than served Govt. Polytechnic Silchar during 1992-1997. Completed B.Tech (Electrical Engineering) from NERIST, Itanagar, Arunachal Pradesh (1998-2001), M.Tech in Control System Engineering from I.I.T Kharagpur (2005-2007), Ph.D. (Engineering) from Electrical Engineering Department, Jadavpur University, Kolkata (2007-2012). Served Sikkim Manipal Institute of Technology, Sikkim (2001-2014), joined Electrical Engineering Department NIT Silchar in 2014. Married to Dr. Barnali Dey and blessed with a daughter “Raajika”.


  • Digital Control System (UG/PG)
  • Artificial Neural Network (UG)
  • Control System – II/Modeern Control System (UG)
  • Basic Electrical Engineering Lab (UG)
  • Control System I/Control System (UG)
  • Estimation and Adaptive Control (PG)
  • Artificial Neural Network & Fuzzy Logic (UG)
  • Intelligent Control System (UG/PG)
  • Control System Lab (UG)
  • Process Control and Instrumentation Lab (UG)
  • Optimal & Robust Control (PG)
  • Analog & Digital Communication (UG)


  • Senior Member, IEEE’2013
  • FIE(I)’21
  • IFAC affiliate’08
  • Member ACDOS’14


  • University First Rank in B.Tech (Electrical Engineering) – NERIST (under NEHU, Shillong)
  • Postdoc fellowship by TWAS (The world academy of Science, Italy) in 2014.
  • National Associateship by Department of Bio-Technology, Govt. of India in 2012.
  • Editor for International Journal for Advanced Intelligence Paradigm – SCOPUS
  • Associate Editor, IEEE Access – SCIE
  • Editor Acta Polytechnica Hungarica, SCIE
  • Guest Editor, Processes-SI, MDPI in 2023 – SCIE
  • IFAC, TC 3.2 (Computational Intelligence in Control) Member
  • Secretary, ACDOS (IFAC-NMO/India) till June 2023.
  • Hon. Secretary, IE(I) Silchar Local center 2022-2024.



  • Coordinator, High Performance Computing Center, NIT Silchar since 2023.
  • Associate Warden (Hostel 9 D) till 2019-2021
  • Faculty Adviser, IE(I) students branch (Electrical).
  • Secretary, Departmental Purchase Committee, 2017-2021
  • Past Member DUPC
  • Present Member DPPC – current
  • Project Laboratory incharge – current
  • Biomedical Signal Processing & Control Lab incharge – current
  • M.Tech (C&IA) NBA Coordinator, 2016
  • IEEE students chapter (NITS) Branch Counselor, 2015-2020


  1. N. P. Mohanty, R. Dey, B. K. Roy, Switching Synchronisation of a 3-D Multi-state-time-delay Chaotic System Including Externally Added Memristor with Hidden Attractors and Multi-Scroll via Sliding Mode Control, The European Physical Journal Special Topics, Accepted, 2020.
  2. A. Nath, R. Dey, Robust Guaranteed Cost Output Feedback Control of Blood Glucose in Type 1 Diabetes Patient with Intra-patient Variability, Optimal Control, Applications and Methods, 2020 (Accepted, in press)
  3. A. Nath, D. Deb, R. Dey, Robust Observer Based Adaptive Control of Blood Glucose in Diabetic Patients, International Journal of Control, 2020 (Accepted, in press)
  4. Rupak Datta, Rajeeb Dey, Ramasamy Saravanakumar, Baby Bhattacharya, Tsung-Chih Lin, New delay-range-dependent stability condition for fuzzy Hopfield neural networks via Wirtinger Inequality, Journal of Intelligent and Fuzzy Systems, 2020 (Accepted, in press).
  5. R. Datta, R. Dey, B. Bhattacharjee, Improved Delay-Range-Dependent Stability Condition for T–S Fuzzy Systems with Variable Delays using New Extended Affine Wirtinger Inequality, International Journal of Fuzzy Systems, (Accepted 2019, in press)
  6. A. Nath, D. Deb, R. Dey, An augmented subcutaneous type 1 diabetic patient modelling and design of adaptive glucose control, Journal of Process Control, 2019, (Accepted, in press)
  7. Rajkumar, S.M., Chakraborty, S., Dey, R. et al. Online Delay Estimation and Adaptive Compensation in Wireless Networked System: An Embedded Control Design. Int. J. Control Autom. Syst. (2019) doi:10.1007/s12555-018-0612-x.
  8. Anirudh Nath, R. Dey, Robust observer based control for plasma glucose regulation in type 1 diabetes patient using attractive ellipsoid method, IET System Biology, Volume: 13 , Issue: 2 , 4 2019, 84 – 91
  9. R.Dutta, R.Dey, B. Bhattacharjee, Further improved stability condition for T-S fuzzy time-varying delay systems via generalised inequality, Int. J. Advanced Intelligence Paradigms, Vol. 14, Nos. 3/4, pp. 310-327, – 2019
  10. Rupak Datta, Rajeeb Dey, Baby Bhattacharya, Ramasamy Saravanakumar, Choon Ki Ahn, New double integral inequality with application to stability analysis for linear retarded systems, IET Control Theory & Applications, Volume 13, Issue 10, 02 July 2019, p. 1514 – 1524
  11. Barnali Dey, Ashraf Hossain, Rajeeb Dey, R. Bera: Integrated Blind Signal Separation and Neural Network Based Energy Detector Architecture. Wireless Personal Communications 106(4): 2315-2333 (2019)
  12. A.Nath, R. Dey,Carlos Aguilar-Avelar, Observer based nonlinear control design for glucose regulation intype 1 diabetic patients: An LMI approach, Biomedical Signal Processing and Control, 47 (2019) 7–15
  13. Anirudh Nath, Dipankar Deb, Rajeeb Dey, Sipon Das, Blood glucose regulation in type 1 diabetic patients: an adaptive parametric compensation control-based approach, IET System Biology, Volume 12, Issue 5, October 2018, p. 219 – 225
  14. Tamal Roy, Ranjit K Barai, R Dey, H∞ control oriented LFT modelling of linear dynamical system, Advances in Modelling and Analysis C, nces in Modelling and Analysis C Vol. 73, No. 4, December, 2018, pp. 189-196.
  15. B. Dey, A. Hossain, A. Bhattacharjee, Rajeeb Dey, R. Bera, Function approximation based energy detection in cognitive radio using radial basis function network , Intelligent Automation & Soft Computing, Volume 23, 2017 – Issue 3, Pages 393-403
  16. Rajeeb Dey, Juan Carlos Martinez Garcia, Improved delay‐range‐dependent stability analysis for uncertain retarded systems based on affine Wirtinger‐inequality, Int. J. of Robust and Nonlinear Control, Volume 27, Issue 16, 2017 Pages 3028-3042
  17. Pal, P., Dey, R., Biswas, R.K., and Bhakta, S., 2015 “Optimal PID Controller Design for Speed Control of a Separately Excited DC Motor: A Firefly Based Optimization Approach,” International Journal of Soft Computing, Mathematics and Control, 4(4), pp. 39 – 48.
  18. Rajeeb Dey, Sandip Ghosh, Goshaidas Ray, Anjan Rakshit, Valentina Emilia Balas, Improved delay-range-dependent stability analysis of a time-delay system with norm bounded uncertainty, ISA Transaction, Volume 58, 2015, Pages 50-57
  19. Kumar Vikram Singh, Rajeeb Dey, Biswanath Datta, Partial Eigen Value Assignment and its Stability in Time-Delayed System, Mechanical System and Signal Processing, Vol. 42(1), 247-257, 2013 – Elsevier.
  20. Tamal Roy, Ranjit Barai, Rajeeb Dey, Identification of differentially wheeled mobile robot using Neural Network, IJEEC (Int Journal of Electrical, Electronics & Computer Engineering), Vol. 2(2), 38-45, 2013.
  21. Rajeeb Dey, Sandip Ghosh, G. Ray and A. Rakshit, H-Infinity Load-frequency control of interconnected power system with communication delay, International Journal of Electrical Power and Energy Systems, Vol. 42, issue 1, pp 672-684,2012 – Elsevier.
  22. Rajeeb Dey, Sandip Ghosh, G. Ray and A. Rakshit, Improved delay-dependent stabilization of time-delay system with actuator saturation, Int. J Robust & Nonlinear Control, Vol. 24 (5), 902-917, 2014. DOI: 10.1002/rnc.2925, 2012- John Wiley and Sons.
  23. Rajeeb Dey, Sandip Ghosh, G. Ray and Anjan Rakshit, State Feedback Stabilization of Uncertain Linear Time-Delay Systems: A Nonlinear Matrix Inequality Approach, Numerical Linear Algebra with Applications, vol. 18, 35-361, 2011 -John Wiley and Sons.
  24. Rajeeb Dey, G. Ray, Sandip Ghosh and A. Rakshit, Stability analysis for continuous system with additive time-varying delays: A less conservative results, Applied Mathematics and Computation, Vol. 215(10), 2010, 3740-3745 – Elsevier.


  1. Anirudh Nath, Shivanagouda Biradar, Archana Balan, Rajeeb Dey, Radhakant Padhi, Physiological Models and Control for Type 1 Diabetes Mellitus: A Brief Review, IFAC-ACODS, Feb 19-21, 2018, Hyderabd.
  2. Nalini Prasad Mohanty, Rajeeb Dey, Binoy Krishna Roy, A New 3-D Memristive Time-delay Chaotic System with Multi-scroll and Hidden Attractors, ACODS Feb 19-21 2018 at Hyderabad.
  3. R. Dutta, R. Dey, B, Bhattacharjee, Improved stability condition fr fuzzy system with interval time-varying delay, IEEE IFSA-SCIS, Otsu, Japan 27-30 June 2017. ISBN: 978-1-5090-4917-2. PP 1-6.
  4. N. Surendranath Reddy ; M Srinivasa Saketh ; Pikaso Pal ; Rajeeb Dey, 2016, Optimal PID controller design of an inverted pendulum dynamics: A hybrid pole-placement & firefly algorithm approach, IEEE First International Conference on Control, Measurement and Instrumentation (CMI), 8-10 Jan. 2016, Kolkata, India, pp 305 – 310
  5. Rajeeb Dey, Sandip Ghosh, Eva Gyurkovics, Goshaidas Ray, Delay dependent stability criterion for Linear System with time-varying state delay, IFAC ROCOND 2015, July 8-11 2015, Bratislava, Slovakia.
  6. Amol A Khalate, Rajeeb Dey, Goshaidas Ray, Robust control of robot manipulator based on Estimation of upper bounds on parametric uncertainty, 8th IEEE Int. Conference on Computer and Electrical Engineering, 20-22 December 2014, Dhaka, Bangladesh.
  7. Rajeeb Dey, Valentina E Balas, T-C Lin, G. Ray, Improved Delay-range-dependent stability analysis of a T-S Fuzzy system with time-varying delay, 14th IEEE Symposium on Computational Intelligence and Informatics (CINTI), 19-21 November, 2013 at Obuda University, Hungary.
  8. Barnali Dey, Rajeeb Dey, J. Mehedi, Assessment of PhD(Technology) Quality in Indian Universities: AHP Based Decision Model, IEEE TALE 2013 (Teaching Assessment, Learning in Engineering) at Bali, Indonesia, August 26-29, 2013.
  9. Rajeeb Dey, Abhijit Rajkumar, Aditi Bandyopadhyay, Implementation of ODFC for angular position control of Caert-Pendulum Dynamic Model.3rd IEEE Control and System Graduate Research Colloquium (ICSGRC 2012),July 16-17,2012, University of Technology, Shah Alam, Selangor, MALAYSIA.
  10. B. Subudhi, S. Bonala, Sandip Ghosh and R. Dey. Robust Analysis of Network Controlled System with Time-Varying Delays. 7th IFAC Symposium on Robust Control Design, ROCOND-2012, June 20-22, 2012 at University of Aalborg, Denmark.
  11. Rajeeb Dey, S. Ghosh, G. Ray and A. Rakshit, Further Result on Delay-dependent stability Analysis of a Linear Retarded System with Time-Varying Delay, 2nd International Conference on ACODS 2012 16-18 February, 2012 at IISc, Bangalore, India.
  12. Rajeeb Dey, S. Ghosh, G. Ray and A. Rakshit, New Delay-dependent stabilization result for Linear Time-Delay System with Actuator Saturation, 2nd International conference on EPSCICON 2012, 3-6th January 2012 at Vidya Academy of Science & Technology, Thrissur, Kerala, India.
  13. Rajeeb Dey, N. Sinha, P. Cahubey, S. Ghosh and G. Ray, Active sway control of single pendulum gantry crane system using output-delayed feedback control technique, 11th IEEE ICARCV, 7-10 Dec 2010 at Singapore – Available in IEEE Explorer.
  14. S. Choudhury, Ajay Kumar and R. Dey, Quantized Reactance Presentation of carbon Nanotubes for its potential Application to Nano Transmission Line, Second Indo-Swiss Bonding, 11-13 Feb. 2010, SMIT, Sikkim, India.
  15. Rajeeb Dey, Sandip Ghosh and G. Ray, A Robust H-Infinity Controller Design using LMIs, 18th IEEE CCA,8-10 July 2009, St. Petersburg, Russia. – Available in IEEE Explorer.
  16. S. Choudhury, A. Kumar, V. T. Bui, H. W. Bonin, S. Bhowmik and R. Dey, Digitally Controlled Preparation,characterization and adhesion properties of carbon-nanotube based epoxy nano-composites, 22nd Internationl Symposium Swiss Bonding 11-13 May 2009, Switzerland.
  17. Rajeeb Dey, Gagan Gandhi, V. Bajpai and Barnali Dey, Diabetes Diagnosis using Artificial Neural Network Technique, 3rd IEEE ICIIS, 8-10 December 2008, IIT Kharagpur India Available in IEEE Explorer.
  18. Rajeeb Dey, Sandip Ghosh and G. Ray, Delay-dependent stability analysis of linear systems with time-varying state delay, 4th IFAC,MCPL, 27-30 September 2007, at University of Ulbsibiu, Romania -Available in IFAC online papers.
  19. Rajeeb Dey, Sandip Ghosh and G.Ray, Delay-dependent stability and state feedback stabilization criterion for linear time-delay system, International Conference on Modeling and Simulation, 27-29 August 2007 at CIT, Coimbatore, vol. 2, pp 963-968. (ISBN: 81-8424-219-0, 2007, Allied Publishers, Chennai).
  20. Rajeeb Dey, Sandip Ghosh and G. Ray, Delay-dependent stability analysis of linear system with multiple state delays, 2nd IEEE ICIIS, University of Peradynia, Srilanka,8-11 August 2007. – Available in IEEE Explorer.


  1. Rajeeb Dey, S. Ghosh and Md. N. Ansari, Robust stability analysis of uncertain linear time-delay system: A reduced order LMI condition, 1st NCEEERE, 22-24 December 2008 at SMIT, Sikkim, India.
  2. Niva Das, A. Routray, P. K. Dash and Rajeeb Dey, An Eigen filter denoising scheme for blind source separation of instantaneous mixtures, 1st NCEEERE, 22-24 December 2008 at SMIT, Sikkim, India.
  3. S.K. Sudhansu, V. Kumar, R. Dey and K.S. Sherpa, A simple approach to secure communication through chaos, 2nd National Conference on Advances in Energy conversion technologies (AECT 2008), 18-19 April 2008 at MIT, Manipal.
  4. M.K. Udhayakumar, Rajeeb Dey, Shashi Mukund, Reliable PI-type compensator design and optimization for unstable MIMO system using Genetic algorithm, INCRESE, 18-20 December 2006, Chennai. (Organized by dept. of Reliability Engg., IIT Kharagpur and Center for Reliability, Govt. of India).


  1. R.Dey, G. Ray V. E. Balas, Stability and Stabilization of Linear and Fuzzy time-delay system, Springer International Publishing AG 2018, ISSN 1868-4394, ISBN 978-3-319-70147-9.
  2. D.Deb, V.E Balas, R.Dey, J. Shah, Innovative Research in Transportation Infrastructure as book series in Lecture notes in Intelligent Transportation and Infrastructure, Springer, Singapore, 2018, ISN: 978-981-13-2031-6 (Edited volume from Conference ICIIF)
  3. D.Deb, R.Dey, V.E. Balas, Engineering research Methodology, Springer Nature, 2019
  4. D.Deb, V.E. Balas, R.Dey, Innovations in Infrastructure, Springer Nature, 2018 (Edited Volume from Conference ICIIF).(5) R.Patel, D. Deb, R.Dey, V.E. Balas, Adaptive and Intelligent Control of Microbial Fuel Cells, 978-3-030-18067-6, Springer International Publishing, Book Series – Intelligent Systems Reference Library
  5. D.Deb, R.Dey, V.E. Balas, Engineering Research Methodology: A Practical Insight, Springer Nature, 2019
  6. A. Nath, R.Dey, V.E. Balas, Closed Loop Blood Glucose Regulation of Type 1 Diabetic Patient Using Takagi-Sugeno Fuzzy Logic Control, Springer International Publishing AG, Gewerbestrasse 11, 6330 Cham, Switzerland, Advances in Intelligent System and Computing, ISSN 2194-5357, ISBN 978-3-319-62523-2
  7. Hemjyoti Das, Aniket Samrat Mazumdar, Rajeeb Dey, and Lintu Roy, Experimental Implementation of Fuzzy Vision-Based Tracking Control of Quad-Rotor, Springer International Publishing AG, Gewerbestrasse 11, 6330 Cham, Switzerland, Advances in Intelligent System and Computing, ISSN 2194-5357, ISBN 978-3-319-62523-2.
  8. Jay Prakash Singh, Rajeeb Dey, Binoy Krishna Roy, An LMI Based Integral SMC for Tracking Control of a New 4-D Conservative Chaotic System, Springer International Publishing AG, Gewerbestrasse 11, 6330 Cham, Switzerland, Advances in Intelligent System and Computing, ISSN 2194-5357, ISBN 978-3-319-62523-2
  9. Kshetrimayum Lochan, Rajeeb Dey, Binoy Krishna Roy, Bidyadhar Subudhi, Tracking Control with Vibration Suppression of a Two-link Flexible Manipulator using Singular Perturbation with Composite Control Design, Springer International Publishing AG, Gewerbestrasse 11, 6330 Cham, Switzerland, Advances in Intelligent System and Computing, ISSN 2194-5357, ISBN 978-3-319-62523-2
  10. Sipon Das, Anirudh Nath, Rajeeb Dey, Saurav Choudhury, Glucose Regulation in Dia-betes Patients Via Insulin Pump: A Feedback Linearisation Approach, Innovations inInfrastructure, As a book series of Advances in Intelligent Systems and Computing,Vol. 757, Springer Singapore, eBook ISBN 978-981-13-1966-2, 2019
  11. Rupak Dutta, Rajeeb Dey, Baby Bhattacharjee,Delayed State Feedback Controller De-sign for Inverted Pendulum Using T-S Fuzzy Modeling: An LMI Approach, Inno-vations in Infrastructure, As a book series of Advances in Intelligent Systems andComputing, Vol. 757, Springer Singapore, eBook ISBN 978-981-13-1966-2, 2019.
  12. Tamal Roy, Ranjit K Barai, R. Dey, Generalized LFT Modeling of Uncertain MIMO System, appeared as a book chapter in Modelling and Simulation in Science, Technology and Engineering Mathematics, Springer, ISBN 978-3-319-74808-5, March 2018, book series Advances in Intelligent Systems and Computing (Part of the Int. Conf. on Modeling and Simulation 2017).
  13. N. Mohanty, Rajeeb Dey, B.K. Roy, Synchronization for Nonlinear Time-Delay Chaotic Diabetes Mellitus System via Sliding Mode Control, Intelligent Techniques and Applications in Science and Technology, ISBN 978-3-030-42362-9, Springer International Publishing, 2020.


  1. “Implementation of real-time robust delayed feedback control in an Inverted Pendulum Experimental Set-up” AICTE, GoI, (2009-2012), PI, Rs. 12.8 Lakhs, Completed.
  2. “Investigation and development of robust control strategy for nonlinear bilateral tele-operation system with delayed communication: An experimental validation for rehabilitation of stroke patients” Rs. 67.12 Lakhs,  PI (2019 – 2023), SPARC -MoE, GoI, completed.
  3. Investigation of Linear and Nonlinear Delay Differential Equation Models for assesing the stability of Dyadic Relationship in an Indian Urban Couples, SERB – MATRICS, 2020-2023, completed, PI, Rs. 6.6 Lakhs.
  4. Four (04) GIAN courses by MoE (ErstwhileMHRD), GoI (2016-2019)



  • ACODS in February 2022 at NIT Silchar jointly with IIT Guwahati.


Sl. No. Name of the Scholar Status Research Area Supervision
1  Srikanth Bondalpati Ongoing  Power System & Control Sole Supervisor
2  Anirudh Nath Completed 2019  Biomedical Engg & Control Sole Supervisor
3  Nalini Mohanty Completed 2022  Time-delay system & Chaos Sole Supervisor
4  Rupak Dutta Completed 2022  Fuzzy Time-Delay System Joint Supervisor
5  Tamal Roy Completed 2016  Wheeled Mobiled Robot & Control Joint Supervisor


Sl. No. Name of Scholar Status Thesis Title Supervision
 1.  Prantik Mazumdar  Completed, 2017  An improved Control Scheme For Shunt Active Filter Under Distorted and Unbalanced Conditions  Main (J.PMishra)
 2.  Sipon Das  Completed, 2018  Performance Analysis of Type 1 Diabetes Mallitus using Nonlinear Control  Main (S. Choudhury)
3. Bishmita Sharma Completed, 2018 Automated Cooking in a Domestic Induction Cooktop  Main (S. Choudhury)
4. Shivam Gupta Completed, 2021 SOC Estimation of a Battery Cell using Non linear filters  Sole
5. Thota Venkata Krishna Teja Completed, 2021 Investigation of Wireless Communication Medium on the control performance of Inverted Pendulum  Sole
6. Jigyansa Kar Completed, 2022 Control Oriented Modeling and Design of Control Strategies for Mechanical Ventilators in an LMI framework.  Sole
7. Suvendu Saurav Completed, 2022 Adaptive Load Voltage Regulation of a DC-DC Boost Converter with Maximum Power Tracking under uncertain conditions.  Sole
8. Anamika Completed, 2022 Adaptive Control Design for Blood Glucose Regulation of a T1DM patient in an LMI framework  Sole
9. Srinojoy Paul Ongoing Robust Control of ABS  Joint with Continental (Industry)