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Dr. S. Sweetha

Assistant Professor, Department of Science and Humanities (Mathematics), School of Engineering, Chennai.

Qualification: BSc, MSc, Ph.D
s_sweetha@ch.amrita.edu
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Bio Publications Qualifications Membership Awards Conferences And Workshops
Bio

Dr. S. Sweetha currently serves as Assistant Professor in the Department of Science and Humanities (Mathematics), School of Engineering, Chennai Campus. 

 She earned her Ph.D. in Mathematics from the Bharathiar University, Coimbatore, where his research focused on the systems and control theory. She brings strong academic and research experience in the field of control theory, with a focused interest in advanced and interdisciplinary methodologies. His research interests span fault-tolerant control design, fractional-order dynamical systems, reinforcement learning, and intelligent control strategies, with applications in complex and real-world systems. Moreover, she has published several papers in peer-reviewed international journals and participated in several international and national conferences, workshops, and training programs. She is committed to creating an engaging learning environment while integrating research insights into teaching. 

Publications

Journal Article

Year : 2025

Design of an Improved Hybrid Controller for Reachable Set Estimation of Multi-Agent Systems

Cite this Research Publication : S. Revathy, N. Padmaja, Design of an Improved Hybrid Controller for Reachable Set Estimation of Multi-Agent Systems, IEEE Access, Institute of Electrical and Electronics Engineers (IEEE), 2025, https://doi.org/10.1109/access.2025.3638374

Publisher : Institute of Electrical and Electronics Engineers (IEEE)

Year : 2025

Fault Estimation Based Control Design for Nonlinear Fractional‐Order Systems Under Proportional‐Integral Observer

Cite this Research Publication : S. Sweetha, V. Panneerselvam, R. Sakthivel, Fault Estimation Based Control Design for Nonlinear Fractional‐Order Systems Under Proportional‐Integral Observer, International Journal of Adaptive Control and Signal Processing, Wiley, 2025, https://doi.org/10.1002/acs.70002

Publisher : Wiley

Year : 2024

Anti-windup scheme-based control for fractional-order systems subject to actuator and sensor saturation

Cite this Research Publication : Sakthivel, R., S. Sweetha, Saminathan Mohanapriya, and C. Antony Crispin Sweety. "Anti-windup scheme-based control for fractional-order systems subject to actuator and sensor saturation." International Journal of General Systems 53, no. 4 (2024): 485-508.

Publisher : Taylor & Francis

Year : 2023

Anti-disturbance Observer-based Proportional-retarded Control Design for Polytopic Uncertain Fractional-order Systems

Cite this Research Publication : Sakthivel, R., S. Sweetha, Saminathan Mohanapriya, and Oh-Min Kwon. "Anti-disturbance observer-based proportional-retarded control design for polytopic uncertain fractional-order systems." International Journal of Systems Science 54, no. 16 (2023): 3098-3111.

Publisher : Taylor & Francis

Year : 2023

Observer-based control for nonlinear neutral type stochastic model with fractional Gaussian noise and input saturation

Cite this Research Publication : S. Sweetha, V. Panneerselvam, N. Tatar and R. Sakthivel, Observer-based control for nonlinear neutral type stochastic model with fractional Gaussian noise and input saturation, Chaos, Solitons & Fractals, 167, 113070, 2023

Publisher : Elsevier

Year : 2023

Delayed reset control design for uncertain fractional-order systems with actuator faults via dynamic output feedback scheme

Cite this Research Publication : R. Sakthivel, S. Sweetha and N. Tatar, Delayed reset control design for uncertain fractional-order systems with actuator faults via dynamic output feedback scheme, Chaos, Solitons & Fractals, 169, 113313, 2023

Publisher : Elsevier

Year : 2022

Non-fragile fault-tolerant control design for fractional-order nonlinear systems with distributed delays and fractional parametric uncertainties

Cite this Research Publication : S. Sweetha, R. Sakthivel, D. J. Almakhles and S. Priyanka, Non-fragile fault-tolerant control design for fractional-order nonlinear systems with distributed delays and fractional parametric uncertainties, IEEE Access, 10,19997-20007, 2022

Publisher : IEEE

Year : 2021

Sampled-data filter design for large-scale interconnected systems with sensor fault and missing measurements

Cite this Research Publication : Rathinasamy Sakthivel, Senthilrathnam Sweetha, Vasudevan Tharanidharan, Shanmugam Harshavarthini, Sampled-data filter design for large-scale interconnected systems with sensor fault and missing measurements, International Journal of Adaptive Control and Signal Processing, 2021.

Year : 2021

Finite-time synchronization of nonlinear fractional chaotic systems with stochastic actuator faults

Cite this Research Publication : S. Sweetha, R. Sakthivel and S. Harshavarthini, Finite-time synchronization of nonlinear fractional chaotic systems with stochastic actuator faults, Chaos, Solitons and Fractals, 142, 110312, 2021

Publisher : Elsevier

Year : 2021

Nonlinear fault-tolerant control design for singular stochastic systems with fractional stochastic noise and time-delay

Cite this Research Publication : S. Sweetha, R. Sakthivel, V. Panneerselvam and Yong-Ki Ma, Nonlinear fault-tolerant control design for singular stochastic systems with fractional stochastic noise and time-delay, IEEE Access, 9, 153647-153655, 2021

Publisher : IEEE

Year : 2021

Sampled-data filter design for large-scale interconnected systems with actuator fault and missing measurements

Cite this Research Publication : S. Sweetha, R. Sakthivel, V. Tharanidharan and S. Harshavarthini, Sampled-data filter design for large-scale interconnected systems with actuator fault and missing measurements, International Journal of Adaptive Control and Signal Processing, 35 (5), 642-659, 2021

Publisher : Wiley

Qualifications

Academic Qualifications

2018 – 2023 Ph.D.

Department of Applied Mathematics, Bharathiar University, Coimbatore

Dissertation Title: “Robust fault-tolerant control design for fractional-order uncertain dynamical systems with disturbances.”
2016 – 2018 M. Sc. (Computational Finance) – 

Department of Mathematics, Bharathiar university, Coimbatore.
2013 – 2016 B. Sc (Mathematics)

PSG College of Arts and Science, Coimbatore

Experience

  • June 2024 –Present, Assistant Professor, Amrita Vishwa Vidyapeetham, Chennai Campus
Membership

Membership

  • Life member – Indian Society of Industrial & Applied Mathematics.

Courses Taught

  • Linear Algebra
  • Mathematics for Intelligent Systems
  • Calculus
  • Probability and Random Processes

INTERNSHIP 

  • Summer Fellow at Department of Mathematics, Indian Institute of Technology, Madras on Fractals, Dimensions and Fractal functions during May 25 – July 15, 2017.

Technical Skills

  • Matlab, Python, Mathematica
Awards

Awards & Recognitions

  • Junior Research Fellow, DST- INSPIRE by Department of Science and Technology, India, 2018 – 2023.
  • Received financial grant for registration from the financial support committee of ICIAM 2023 to attend 10thInternational Council for Industrial and Applied Mathematics, Waseda University, Tokyo, Japan.
  • Qualified TNSET (Tamil Nadu State Eligibility Test-2018) exam.
  • Received Dr. K. Marimuthu Endowment Prize for securing first rank holder in M.Sc. course examination 2016 – 2018.
  • First rank holder in B.Sc. course examination 2013 – 2016.
Conferences And Workshops

CONFERENCES ATTENDED AND PRESENTED

  • Presented a paper on the topic “Observer-based Nonlinear Fault-tolerant Control Design for Fractional-order Parabolic PDE Systems”, in 10th International Congress on Industrial and Applied Mathematics, 20 – 25 August, 2023 held at Waseda University, Tokyo, Japan.
  • Presented a paper on the topic “Resilient control design for fractional-order nonlinear systems with distributed delays”, in 6th International Conference on Mathematics: An Istanbul Meeting for World Mathematicians, 21 – 24 June 2022 held at Istanbul, Turkey.
  • Presented a paper on the topic “Quantized control for finite-time synchronization of nonlinear fractional-order chaotic systems with time-delays”,in International Conference on Recent Advances in Mathematical Science and Its Applications, 26 – 27 August 2021 organized by Department of Mathematics &Tamilnadu Common Wealth Centre, Mother Teresa Women’s University, Kodaikanal, India.
  • Presented a paper on the topic “Resilient proportional-retarded based passive control design for fractional-order time-delay systems”, inInternational Conference on Mathematical modelling and scientific computing, 19 – 21 Feb 2020 at Department of Mathematics, The Gandhigram Rural Institute, Dindugal, India.
  • Presented a paper on the topic “Design of composite anti disturbance control for fractional-order systems”, inInternational Conference on Indian Society of Industrial and Applied Mathematics,5-7 December 2019, jointly organized by Bharathiar University & Anna University Regional Campus, Coimbatore, India.
  • Participated in International Conference on Advances in Applicable Mathematics, 7 – 8 December, 2017 at Department of Mathematics, Bharathiar University, Coimbatore, India.
  • Participated in National Conference on New Frontiers in Mathematics and its Applications (NFMA’16), 11thMarch 2016 at PSG College of Arts and Science, Coimbatore, India.

WORKSHOPS/ WEBINAR ATTENDED

  • International Workshop on Mathematical Techniques for Machine Learning and Quantum Computing, December 2-4, 2024 held at The Gandhigram Rural Institute Deemed to be University, Gandhigram-624302, Tamil Nadu, India
  • Participated in International Webinar on Dynamical Systems and its Applications, August 17 – 21, 2020 organized by Department of Applied Mathematics, Bharathiar University, Coimbatore, India.
  • Workshop on Applications of Differential equations, February 12 – 14, 2020 at Department of Applied Mathematics, Bharathiar University, Coimbatore, India.
  • Participated in Science Academies’ Lecture Workshop on Theoretical and Computational Fluid Dynamics, October 4-6, 2017 at Bharathiar University, Coimbatore, India.
  • National workshop on Intellectual property rights, March 3 – 4, 2016 at Bharathiar University, Coimbatore, India.
  • Training program in Mathematics (TPM 2015) – May 25 – June20, 2015 held at National Institute of Science Education and Research, Bhubaneswar, Odisha.
  • Applications of Number Theory workshop, March 5 – 7,2015 held at Amrita School of engineering, Coimbatore, India.
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