Jan 2020 - Present: Assistant Professor
Department of Electronics and Electrical Engineering,
Indian Institute of Technology Guwahati.
Area of work: Differential algebraic systems, Optimal control, Model-order reduction.
Jan 2024 - Present: Associate Faculty
Centre for Intelligent Cyber Physical Systems,
Indian Institute of Technology Guwahati.
Area of work: Underwater vehicles
Jun 2019 - Dec 2019: Postdoctoral Research Fellow
Computational Methods in Systems and Control Theory,
Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany.
Area of work: Differential algebraic systems, Optimal control, Model-order reduction.
Mar 2011 - May 2011: Visiting Lecturer
University Visvesvaraya College of Engineering, Bangalore, India.
Course taught: Embedded Systems.
Oct 2010 - Jun 2013: Assistant Professor
NETES Institute of Technology & Science, Mirza, Assam.
Courses taught: Network Theory, Control Theory, Microprocessor and Microcontrollers, Electronic Devices, Advanced Embedded Systems, Electromagnetic Field Theory, Antenna and Wave Propagation.
Jul 2008 - Sep 2010: Operation and Maintenance Engineer
Vodafone Spacetal Limited, Assam Circle.
Area of work: Operation, Maintenance and Troubleshooting on the Abis interface to ensure high GOS.
Book Chapter
1. C. Bhawal, S. Kumar, D. Pal, and M.N. Belur, "Mathematical Control Theory II: Behavioral Systems and Robust Control", New properties of ARE solutions for strictly dissipative and lossless systems , Springer International Publishing [2015]. |
Journal Publications
1. Imrul Qais, Chayan Bhawal, and Debasattam Pal, "Optimal singular LQR problem: A PD feedback solution", SIAM Journal on Control and Optimization (SICON) , vol.61 , (DOI - 4) ,pp.2655-2681, [2023]. , https://doi.org/10.1137/22M1496414 |
2. Ashish Kothyari, Chayan Bhawal, Madhu N Belur, and Debasattam Pal, "Imaginary axis eigenvalues of Hamiltonian matrix: controllability, defectiveness and the epsilon-characteristic", International Journal of Control [2022]. |
3. Bhawal C., Pal D., Belur M.N., "Closed-form solutions of singular KYP lemma: strongly passive systems, and fast lossless trajectories", International Journal of Control , vol.93, issue 5 , (DOI - 10.1080/00207179.2018.1500039) ,pp.1204-1217, [2020]. |
4. Bhawal C., Pal D., "Almost every single-input LQR optimal control problem admits a PD feedback solution", IEEE Control Systems Letters , vol.3, issue 2 , (DOI - 10.1109/LCSYS.2019.2898388) ,pp.452-457, [2019]. |
5. Bhawal C., Qais I., Pal D., "Constrained Generalized Continuous Algebraic Riccati Equations (CGCAREs) Are Generically Unsolvable", IEEE Control Systems Letters , vol.3, issue 1 , (DOI - 10.1109/LCSYS.2018.2869409) ,pp.192-197, [2019]. |
6. Bhawal C., Pal D., Kumar S., Belur M.N., "New Results and Techniques for Computation of Stored Energy in Lossless/All-Pass Systems", IEEE Transactions on Circuits and Systems I: Regular Papers , vol.64, issue 1 , (DOI - 10.1109/TCSI.2016.2602540) ,pp.72-85, [2017]. |
Conference Publications
1. Paraj Ganchaudhuri, Chayan Bhawal, "Power consumption of a quadrotor based on maneuvers", IEEE Guwahati Subsection Conference (GCON) , IEEE [2023]. |
2. I. Qais, C. Bhawal, and D. Pal, "A Hamiltonian system based approach for the computation of the maximal rank-minimizing solution of the LMI arising from a singular LQR problem", European Control Conference (ECC) , vol.53 , (DOI - https://doi.org/10.1016/j.ifacol.2020.12.342) ,pp.6851-6856, [2022]. |
3. C. Bhawal, D. Pal, and M.N. Belur, "Lossless trajectories of singularly passive systems", Mathematical Theory of Networks and Systems (MTNS), Bayreuth, Germany [2022]. |
4. Bhawal C., Heiland J., Benner P., "PD controllers to solve single-input, index-1 DAE based LQR problems", European Control Conference (ECC), Saint Petersburg, Russia ,pp.1795-1800, [2020]. |
5. Qais I., Pal D., Bhawal C., "A geometric characterization of the slow space of the Hamiltonian system arising from the singular LQR problem", IFAC World Congress , vol.53, issue 2 , (DOI - 10.1016/j.ifacol.2020.12.342) ,pp.6851-6856, [2020]. |
6. Bhawal C., Pal D., Belur M.N., "On circulant Lyapunov operators, two-variable polynomials, and DFT", 2019 6th Indian Control Conference, ICC 2019 - Proceedings , (DOI - 10.1109/ICC47138.2019.9123167) ,pp.391-396, [2019]. |
7. Bhawal C., Pal D., "On solvability of CGCARE for LQR problems with zero input-cost", Proceedings of the IEEE Conference on Decision and Control , vol.2019-December , (DOI - 10.1109/CDC40024.2019.9029856) ,pp.7566-7571, [2019]. |
8. Kothyari A., Bhawal C., Belur M.N., Pal D., "Defective Hamiltonian matrix imaginary eigenvalues and losslessness", 2019 5th Indian Control Conference, ICC 2019 - Proceedings , (DOI - 10.1109/INDIANCC.2019.8715612) ,pp.166-171, [2019]. |
9. Bhawal C., Pal D., Belur M.N., "On solutions of bounded-real LMI for singularly bounded-real systems", 2018 European Control Conference, ECC 2018 , (DOI - 10.23919/ECC.2018.8550166) ,pp.3221-3226, [2018]. |
10. Bhawal C., Pal D., Belur M.N., "On the link between storage functions of allpass systems and Gramians", 2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017 , vol.2018-January , (DOI - 10.1109/CDC.2017.8264273) ,pp.4175-4180, [2018]. |
11. Bhawal C., Pal D., Belur M.N., "A 2D-DFT based method to compute the Bezoutian and a link to Lyapunov equations", 2017 Indian Control Conference, ICC 2017 - Proceedings , (DOI - 10.1109/INDIANCC.2017.7846489) ,pp.283-288, [2017]. |
12. Kumar S., Bhawal C., Pal D., Belur M.N., "New results and algorithms for computing storage functions: The lossless/all-pass cases", 2016 European Control Conference, ECC 2016 , (DOI - 10.1109/ECC.2016.7810439) ,pp.1117-1122, [2017]. |
Department of Electronics
Department of Electronics and Electrical Engineering