Research Summary
Research interests include optimization and control of continuously-varying and discrete-event dynamical systems, stochastic modeling and estimation of nonlinear processes, signal decomposition (including wavelets), intelligent instrumentation (including
In the News
Research Keywords
These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.
Recent Publications
A perspective on the safety of large-format lithium-ion battery in underground mining operations: Thermal runaway and its mitigation
Said, K. O., Ray, A. & Kumar, A. R., Dec 2025, In: International Journal of Coal Science and Technology. 12, 1, 72.Research output: Contribution to journal › Review article › peer-review
Convolutional neural network for risk assessment in polycrystalline alloy structures via ultrasonic testing
Alqahtani, H. & Ray, A., Jan 2024, In: Fatigue and Fracture of Engineering Materials and Structures. 47, 1, p. 140-152 13 p.Research output: Contribution to journal › Article › peer-review
Surface texture analysis in polycrystalline alloys via an artificial neural network
Alqahtani, H. & Ray, A., Mar 15 2024, In: Measurement: Journal of the International Measurement Confederation. 227, 114328.Research output: Contribution to journal › Article › peer-review
State Identification Via Symbolic Time Series Analysis for Reinforcement Learning Control
Bhattacharya, C. & Ray, A., Sep 1 2024, In: Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 146, 5, 054501.Research output: Contribution to journal › Article › peer-review
Parametric shape optimization of pin fin arrays using a multi-fidelity surrogate model based Bayesian method
Ghosh, S., Mondal, S., Kapat, J. S. & Ray, A., Jun 15 2024, In: Applied Thermal Engineering. 247, 122876.Research output: Contribution to journal › Article › peer-review
A Data-Driven Approach to Modeling Sea Clutter Stochastic Differential Equations
Pici, C. J., Ray, A., Kompella, S. & Narayanan, R. M., 2024, In: IEEE Transactions on Aerospace and Electronic Systems. 60, 4, p. 5312-5321 10 p.Research output: Contribution to journal › Article › peer-review
Symbolic Dynamics for Radar Target Maneuver Detection With High Data Rates
Singerman, P. G., O'Rourke, S. M., Narayanan, R. M., Ray, A. & Rangaswamy, M., Apr 1 2024, In: IEEE Transactions on Aerospace and Electronic Systems. 60, 2, p. 1647-1659 13 p.Research output: Contribution to journal › Article › peer-review
Feature selection of surface topography parameters for fatigue-damage detection using Pearson correlation method and neural network analysis
Alqahtani, H. & Ray, A., May 2023, In: Fatigue and Fracture of Engineering Materials and Structures. 46, 5, p. 1810-1820 11 p.Research output: Contribution to journal › Article › peer-review
Data Fusion and Pattern Classification in Dynamical Systems Via Symbolic Time Series Analysis
Chen, X. & Ray, A., Sep 1 2023, In: Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 145, 9, 094502.Research output: Contribution to journal › Article › peer-review
A Unified Mixed Deep Neural Network for Fatigue Damage Detection in Components with Different Stress Concentrations
Dharmadhikari, S., Raut, R., Ray, A. & Basak, A., Feb 2023, In: Applied Sciences (Switzerland). 13, 3, 1542.Research output: Contribution to journal › Article › peer-review
Fatigue damage detection and risk assessment via neural network modeling of ultrasonic signals
Alqahtani, H. & Ray, A., Jun 2022, In: Fatigue and Fracture of Engineering Materials and Structures. 45, 6, p. 1587-1604 18 p.Research output: Contribution to journal › Article › peer-review
Feature extraction and neural network-based fatigue damage detection and classification
Alqahtani, H. & Ray, A., Dec 2022, In: Neural Computing and Applications. 34, 23, p. 21253-21273 21 p.Research output: Contribution to journal › Article › peer-review
Data-driven Detection and Early Prediction of Thermoacoustic Instability in a Multi-nozzle Combustor
Bhattacharya, C., O’Connor, J. & Ray, A., 2022, In: Combustion science and technology. 194, 7, p. 1481-1512 32 p.Research output: Contribution to journal › Article › peer-review
Thresholdless Classification of chaotic dynamics and combustion instability via probabilistic finite state automata
Bhattacharya, C. & Ray, A., Feb 1 2022, In: Mechanical Systems and Signal Processing. 164, 108213.Research output: Contribution to journal › Article › peer-review
Deep Reinforcement Learning Control of a Boiling Water Reactor
Chen, X. & Ray, A., Aug 1 2022, In: IEEE Transactions on Nuclear Science. 69, 8, p. 1820-1832 13 p.Research output: Contribution to journal › Article › peer-review