World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
54
Citations
12193
World Ranking
939
National Ranking
393

Electronics and Electrical Engineering

D-Index
54
Citations
12328
World Ranking
2268
National Ranking
889

Asok Ray publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Asok Ray sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 616 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Asok Ray D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Asok Ray sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 54 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Research.com Recognitions

  • 2019 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2002 - Fellow of the Royal Society of Canada Academy of the Arts and Humanities
  • 2002 - IEEE Fellow For contributions to aerospace and electromechanical systems.
  • 1994 - Fellow of the American Society of Mechanical Engineers

Overview

Asok Ray is affiliated with Pennsylvania State University in the United States and has an extensive research portfolio spanning engineering and computer science, with a focus on mechanical engineering, control and systems engineering, artificial intelligence, computational mechanics, and mechanics of materials.

Their research addresses a range of technical topics including:

  • Fault Detection and Control Systems
  • Non-Destructive Testing Techniques
  • Time Series Analysis and Forecasting
  • Ultrasonics and Acoustic Wave Propagation
  • Combustion and Flame Dynamics
  • Neural Networks and Applications
  • Structural Health Monitoring Techniques

Asok Ray has published extensively in several key venues, among which the most frequent are:

  • Journal of Dynamic Systems Measurement and Control
  • Sci
  • Mechanical Systems and Signal Processing
  • ASME Letters in Dynamic Systems and Control
  • Fatigue & Fracture of Engineering Materials & Structures

Recent publications include:

  • Investigation of Melt Pool Geometry Control in Additive Manufacturing Using Hybrid Modeling, 2020, Metals
  • A Dynamically Stabilized Recurrent Neural Network, 2021, Neural Processing Letters
  • Classification of Fatigue Crack Damage in Polycrystalline Alloy Structures Using Convolutional Neural Networks, 2020, Engineering Failure Analysis
  • A Multivariate Adaptive Gradient Algorithm with Reduced Tuning Efforts, 2022, Neural Networks
  • Transfer Learning of Deep Neural Networks for Predicting Thermoacoustic Instabilities in Combustion Systems, 2021, Energy and AI

The scientist frequently collaborates with a number of coauthors. Notable frequent collaborators include:

  • Chandrachur Bhattacharya
  • Hassan Alqahtani
  • Sudeepta Mondal
  • Achintya Mukhopadhyay
  • Amrita Basak

Over the course of their career, Asok Ray has received a number of professional recognitions, including:

  • Fellow of the American Association for the Advancement of Science (AAAS), 2019
  • IEEE Fellow, 2002, for contributions to aerospace and electromechanical systems
  • Fellow of the Royal Society of Canada, 2002, Academy of the Arts and Humanities
  • Fellow of the American Society of Mechanical Engineers, 1994

Best Publications

  • Integrated Communication and Control Systems: Part I—Analysis

    Yoram Halevi;Asok Ray

  • An observer-based compensator for distributed delays

    Rogelio Luck;Asok Ray

  • Symbolic dynamic analysis of complex systems for anomaly detection

    Asok Ray

  • Integrated Communication and Control Systems: Part II—Design Considerations

    Asok Ray;Yoram Halevi

  • Symbolic time series analysis via wavelet-based partitioning

    Venkatesh Rajagopalan;Asok Ray

  • Experimental verification of a delay compensation algorithm for integrated communication and control systems

    Rogelio Luck;Asok Ray

  • Stochastic modeling of fatigue crack dynamics for on-line failure prognostics

    A. Ray;S. Tangirala

  • Output feedback control under randomly varying distributed delays

    Asok Ray

  • A Stochastic Regulator for Integrated Communication and Control Systems: Part I—Formulation of Control Law

    Luen-Woei Liou;Asok Ray

  • Target Detection and Classification Using Seismic and PIR Sensors

    Xin Jin;S. Sarkar;A. Ray;S. Gupta

  • Review and comparative evaluation of symbolic dynamic filtering for detection of anomaly patterns

    Chinmay Rao;Asok Ray;Soumik Sarkar;Murat Yasar

  • State Estimation Using Randomly Delayed Measurements

    A. Ray;L. W. Liou;J. H. Shen

  • Symbolic time series analysis of ultrasonic data for early detection of fatigue damage

    Shalabh Gupta;Asok Ray;Eric Keller

  • State splitting and merging in probabilistic finite state automata for signal representation and analysis

    Kushal Mukherjee;Asok Ray

  • Space partitioning via Hilbert transform for symbolic time series analysis

    Aparna Subbu;Asok Ray

  • An introduction to sensor signal validation in redundant measurement systems

    A. Ray;R. Luck

  • Damage-Mitigating Control of Mechanical Systems: Part I—Conceptual Development and Model Formulation

    Asok Ray;Min-Kuang Wu;Marc Carpino;Carl F. Lorenzo

  • Fatigue crack growth under variable-amplitude loading: Part I – Model formulation in state-space setting

    Asok Ray;Ravindra Patankar

  • Fatigue crack growth under variable-amplitude loading: Part II – Code development and model validation

    Asok Ray;Ravindra Patankar

  • Linear Unbiased State Estimation under Randomly Varying Bounded Sensor Delay

    E. Yaz;A. Ray

Frequent Co-Authors

Soumik Sarkar
Soumik Sarkar Iowa State University
Vigor Yang
Vigor Yang Georgia Institute of Technology
Nasser M. Nasrabadi
Nasser M. Nasrabadi West Virginia University
Christopher D. Rahn
Christopher D. Rahn Pennsylvania State University
Soundar R. T. Kumara
Soundar R. T. Kumara Pennsylvania State University
Matthew M. Mench
Matthew M. Mench University of Tennessee at Knoxville
Kwang Y. Lee
Kwang Y. Lee Baylor University
Derek Elsworth
Derek Elsworth Pennsylvania State University
Bruce J. West
Bruce J. West US Army Research Office
Akhlesh Lakhtakia
Akhlesh Lakhtakia Pennsylvania State University

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Related Online Degrees & Career Pathways

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