# Indrasis Chakraborty

Pacific Northwest National Laboratory

PO Box 999

Richland, WA 99352

(509) 375-5920

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## Biography

Indrasis graduated with a PhD in Mechanical Engineering along with a Master of Science and Master of Arts from Mechanical Engineering and Applied Mathematics, respectively in December 2017. His PhD dissertation is focused on developing nonlinear control and optimization strategies for nonlinear time delayed systems and flexible systems. Indrasis got Outstanding Graduate Researcher Award during the year 2017. He spent summer 2017 in PNNL, as a PhD intern, working with Dr. Draguna Vrabie.

## Research Interests

- Nonlinear Control
- Optimization Methods
- Deep Learning
- Fault Detection
- Time-Delayed Systems

## Awards and Recognitions

- UF MAE Best Graduate Researcher Award, University of Florida, 2017
- Outstanding Achievement Award, University of Florida, 2015

## PNNL Publications

### 2018

- Chakraborty I., and D.L. Vrabie. 2018. "Fault Detection for Dynamical Systems using Differential Geometric and Concurrent Learning Approach."
*IFAC- PapersOnLine*51, no. 24:1395-1402. PNNL-SA-129423. doi:10.1016/j.ifacol.2018.09.552 - Chakraborty I., R. Chakraborty, and D.L. Vrabie. 2018. "Generative Adversarial Network based Autoencoder: Application to fault detection problem for closed loop dynamical systems." In
*29th International Workshop on Principles of Diagnosis (DX'18), August 27-30, 2018, Warsaw, Poland*, edited by L Trave-Massuyes and A Sztyber, 2289. Aachen:Aachen RWTH. PNNL-SA-134059. - Chakraborty I., S. Nandanoori, and S. Kundu. 2018. "Virtual Battery Parameter Identification using Transfer Learning based Stacked Autoencoder." In
*17th IEEE International Conference on Machine Learning and Applications (ICMLA 2018), December 17-20, 2018, Orlando, Florida*. Piscataway, New Jersey:IEEE. PNNL-SA-137721. doi:10.1109/ICMLA.2018.00206

## Selected Publications

### 2017

- Chakraborty, I., Mehta, S.S., Doucette, E. and Dixon, W.E., 2017, May. 2.5 D visual servo control in the presence of time-varying state and input delays. In American Control Conference (ACC), 2017 (pp. 3741-3746). IEEE.
- Chakraborty, I., Mehta, S.S., Doucette, E. and Dixon, W.E., 2017, May. Control of an input delayed uncertain nonlinear system with adaptive delay estimation. In American Control Conference (ACC), 2017 (pp. 1779-1784). IEEE.

### 2016

- Bialy, B.J., Chakraborty, I., Cekic, S.C. and Dixon, W.E., 2016. Adaptive boundary control of store induced oscillations in a flexible aircraft wing. Automatica, 70, pp.230-238.
- Chakraborty, I., Mehta, S.S., Curtis, J.W. and Dixon, W.E., 2016, July. Compensating for time-varying input and state delays inherent to image-based control systems. In American Control Conference (ACC), 2016 (pp. 78-83). IEEE.
- Chakraborty, I., Obuz, S. and Dixon, W.E., 2016, September. Image-based tracking control in the presence of time-varying input and state delays. In Control Applications (CCA), 2016 IEEE Conference on (pp. 1350-1355). IEEE.
- Chakraborty, I., Obuz, S. and Dixon, W.E., 2016. Control of an uncertain nonlinear system with known time-varying input delays with arbitrary delay rates. IFAC-PapersOnLine, 49(18), pp.522-527.
- Chakraborty, I., Obuz, S., Licitra, R. and Dixon, W.E., 2016, July. Control of an uncertain Euler-Lagrange system with known time-varying input delay: A pde-based approach. In American Control Conference (ACC), 2016 (pp. 4344-4349). IEEE.
- Obuz, S., Parikh, A., Chakraborty, I. and Dixon, W.E., 2016. Lyapunov-based control of an uncertain euler-lagrange system with uncertain time-varying input delays without delay rate constraints. IFAC-PapersOnLine, 49(10), pp.141-146.