Asok Ray

    • 6887 Citations
    • 36 h-Index
    1976 …2019
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    Research Output 1976 2019

    2015
    13 Citations (Scopus)

    Dynamic data-driven identification of battery state-of-charge via symbolic analysis of input-output pairs

    Li, Y., Chattopadhyay, P. & Ray, A., Oct 1 2015, In : Applied Energy. 155, p. 778-790 13 p.

    Research output: Contribution to journalArticle

    Pattern recognition
    Finite automata
    Time series
    Dynamical systems
    Lead acid batteries
    14 Citations (Scopus)

    Dynamic data-driven prediction of lean blowout in a swirl-stabilized combustor

    Sarkar, S., Ray, A., Mukhopadhyay, A. & Sen, S., Sep 2015, In : International Journal of Spray and Combustion Dynamics. 7, 3, p. 209-242 34 p.

    Research output: Contribution to journalArticle

    combustion chambers
    Combustors
    premixing
    Finite automata
    predictions
    6 Citations (Scopus)

    Dynamic data-driven symbolic causal modeling for battery performance & health monitoring

    Sarkar, S., Jha, D. K., Ray, A. & Li, Y., Sep 14 2015, 2015 18th International Conference on Information Fusion, Fusion 2015. Institute of Electrical and Electronics Engineers Inc., p. 1395-1402 8 p. 7266720. (2015 18th International Conference on Information Fusion, Fusion 2015).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Health
    Monitoring
    Lead acid batteries
    Time series
    Dynamical systems
    4 Citations (Scopus)
    Statistical mechanics
    Adaptive cruise control
    Intelligent vehicle highway systems
    Ising model
    Traffic control
    11 Citations (Scopus)

    Early detection of combustion instability from hi-speed flame images via deep learning and symbolic time series analysis

    Sarkar, S., Lore, K. G., Sarkar, S., Ramanan, V., Chakravarthy, S. R., Phoha, S. & Ray, A., Jan 1 2015, PHM 2015 - Proceedings of the Annual Conference of the Prognostics and Health Management Society 2015. Daigle, M. J. & Bregon, A. (eds.). Prognostics and Health Management Society, p. 353-362 10 p. (Proceedings of the Annual Conference of the Prognostics and Health Management Society, PHM).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series analysis
    Semantics
    Health
    Learning
    Structural integrity
    6 Citations (Scopus)

    Feature level sensor fusion for target detection in dynamic environments

    Li, Y., Jha, D. K., Ray, A. & Wettergren, T. A., Jul 28 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., p. 2433-2438 6 p. 7171097. (Proceedings of the American Control Conference; vol. 2015-July).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target tracking
    Fusion reactions
    Sensors
    Mobile robots
    Infrared radiation
    2 Citations (Scopus)

    Game theoretic controller synthesis for multi-robot motion planning-part II: Policy-based algorithms

    Jha, D. K., Zhu, M. & Ray, A., Oct 1 2015, In : IFAC-PapersOnLine. 28, 22, p. 168-173 6 p.

    Research output: Contribution to journalConference article

    Motion planning
    Robots
    Controllers
    Feedback
    Sampling
    6 Citations (Scopus)

    Ground characterization and roof mapping: Online sensor signal-based change detection

    Bahrampour, S., Rostami, J., Ray, A., Naeimipour, A. & Collins, C., Nov 1 2015, In : International Journal of Mining Science and Technology. 25, 6, p. 905-913 9 p.

    Research output: Contribution to journalArticle

    Roofs
    roof
    Rocks
    void
    sensor
    1 Citation (Scopus)

    Identification of battery parameters via symbolic input-output analysis: A dynamic data-driven approach

    Li, Y., Ray, A., Chattopadhyay, P. & Rahn, C. D., Jul 28 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., p. 5200-5205 6 p. 7172151. (Proceedings of the American Control Conference; vol. 2015-July).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series
    Lead acid batteries
    Finite automata
    Identification (control systems)
    Health
    13 Citations (Scopus)

    Identification of the battery state-of-health parameter from input-output pairs of time series data

    Li, Y., Chattopadhyay, P., Ray, A. & Rahn, C. D., Jul 1 2015, In : Journal of Power Sources. 285, p. 235-246 12 p.

    Research output: Contribution to journalArticle

    health
    electric batteries
    Time series
    Health
    Finite automata
    8 Citations (Scopus)

    Kernel task-driven dictionary learning for hyperspectral image classification

    Bahrampour, S., Nasrabadi, N. M., Ray, A. & Jenkins, W. K., Aug 4 2015, 2015 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1324-1328 5 p. 7178185. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 2015-August).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Image classification
    Glossaries
    Learning algorithms
    Classifiers
    Pixels
    2 Citations (Scopus)

    Learning context-awaremeasurementmodels

    Virani, N., Lee, J. W., Phoha, S. & Ray, A., Jan 1 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-July. p. 4491-4496 6 p. 7172036

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target tracking
    Probability distributions
    Learning systems
    Sensors
    4 Citations (Scopus)

    On-line condition monitoring of boiling water reactors: A symbolic dynamic data-driven approach

    Alamaniotis, M., Jin, X. & Ray, A., Jan 1 2015, 9th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2015. American Nuclear Society, p. 722-732 11 p. (9th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2015; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Boiling water reactors
    Condition monitoring
    Loss of coolant accidents
    Time series
    Finite automata
    6 Citations (Scopus)

    Path planning in GPS-denied environments: A collective intelligence approach

    Chattopadhyay, P., Jha, D. K., Sarkar, S. & Ray, A., Jul 28 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-July. p. 3082-3087 6 p. 7171806

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Motion planning
    Sensor networks
    Global positioning system
    Wireless networks
    Target tracking
    4 Citations (Scopus)

    Real-time activity recognition from seismic signature via multi-scale symbolic time series analysis (MSTSA)

    Sarkar, S., Damarla, T. & Ray, A., Jul 28 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., p. 5818-5823 6 p. 7172251. (Proceedings of the American Control Conference; vol. 2015-July).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series analysis
    Time series
    Sensors
    Classifiers
    Moisture
    5 Citations (Scopus)

    Robot Path Planning in Uncertain Environments: A Language-Measure-Theoretic Approach

    Jha, D. K., Li, Y., Wettergren, T. A. & Ray, A., Mar 1 2015, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 137, 3, 034503.

    Research output: Contribution to journalArticle

    trajectory planning
    Motion planning
    robots
    horizon
    Robots
    10 Citations (Scopus)

    Topology optimisation for energy management in underwater sensor networks

    Jha, D. K., Wettergren, T. A., Ray, A. & Mukherjee, K., Sep 2 2015, In : International Journal of Control. 88, 9, p. 1775-1788 14 p.

    Research output: Contribution to journalArticle

    Shape optimization
    Energy management
    Sensor networks
    Communication
    Network performance
    2014
    9 Citations (Scopus)

    Context-aware dynamic data-driven pattern classification

    Phoha, S., Virani, N., Chattopadhyay, P., Sarkar, S., Smith, B. & Ray, A., Jan 1 2014, In : Procedia Computer Science. 29, p. 1324-1333 10 p.

    Research output: Contribution to journalConference article

    Pattern recognition
    Sensors
    Unattended sensors
    Soils
    Fences
    2 Citations (Scopus)

    Dynamic context-aware sensor selection for sequential hypothesis testing

    Virani, N., Lee, J. W., Phoha, S. & Ray, A., Jan 1 2014, In : Proceedings of the IEEE Conference on Decision and Control. 2015-February, February, p. 6889-6894 6 p., 7040471.

    Research output: Contribution to journalConference article

    Sequential Testing
    Context-aware
    Hypothesis Testing
    Sensor
    Selection Rules
    6 Citations (Scopus)

    Early detection of lean blow out (LBO) via generalized D-Markov machine construction

    Sarkar, S., Ray, A., Mukhopadhyay, A., Chaudhari, R. R. & Sen, S., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 3041-3046 6 p. 6859048. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Finite automata
    Time series
    Chemiluminescence
    Optical sensors
    Merging

    Implementation of fault detection and prediction capabilities in a multilevel current source inverter

    Polenta, H. P., Cossutta, P. & Ray, A., Jan 1 2014, 2014 IEEE International Workshop on Metrology for Aerospace, MetroAeroSpace 2014 - Proceedings. IEEE Computer Society, p. 205-210 6 p. 6865921. (2014 IEEE International Workshop on Metrology for Aerospace, MetroAeroSpace 2014 - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Fault detection
    Field programmable gate arrays (FPGA)
    Costs
    4 Citations (Scopus)

    Investigation of combustion instability in a swirl-stabilized combustor using symbolic time series analysis

    Ramanan, V., Chakravarthy, S. R., Sarkar, S. & Ray, A., Jan 1 2014, ASME 2014 Gas Turbine India Conference, GTINDIA 2014. American Society of Mechanical Engineers, (ASME 2014 Gas Turbine India Conference, GTINDIA 2014).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series analysis
    Combustors
    Time series
    Fuel injection
    Finite automata
    12 Citations (Scopus)

    Navigation of autonomous vehicles for oil spill cleaning in dynamic and uncertain environments

    Jin, X. & Ray, A., Apr 3 2014, In : International Journal of Control. 87, 4, p. 787-801 15 p.

    Research output: Contribution to journalArticle

    Oil spills
    Cleaning
    Navigation
    Weathering
    Ports and harbors
    4 Citations (Scopus)

    Performance robustness of feature extraction for target detection & classification

    Smith, B. M., Chattopadhyay, P., Ray, A., Phoha, S. & Damarla, T., 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 3814-3819 6 p. 6858590

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target tracking
    Feature extraction
    Testing
    Mortar
    Principal component analysis
    16 Citations (Scopus)

    Quality-based multimodal classification using tree-structured sparsity

    Bahrampour, S., Ray, A., Nasrabadi, N. M. & Jenkins, K. W., Sep 24 2014, Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition. IEEE Computer Society, p. 4114-4121 8 p. 6909920. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Face recognition
    Information fusion
    Fuzzy sets
    15 Citations (Scopus)

    Real-time estimation of lead-acid battery parameters: A dynamic data-driven approach

    Li, Y., Shen, Z., Ray, A. & Rahn, C. D., Dec 5 2014, In : Journal of Power Sources. 268, p. 758-764 7 p.

    Research output: Contribution to journalArticle

    lead acid batteries
    Lead acid batteries
    health
    Health
    electric batteries
    4 Citations (Scopus)

    Rotorcraft real time damage alleviation through load limiting control

    Thaiss, C. J., McColl, C. C., Horn, J., Keller, E., Ray, A., Semidey, R. & Phan, N., Feb 28 2014.

    Research output: Contribution to conferencePaper

    Control systems
    Gain control
    Rotors
    Neural networks
    Feedback
    58 Citations (Scopus)

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

    Mukherjee, K. & Ray, A., Jan 1 2014, In : Signal Processing. 104, p. 105-119 15 p.

    Research output: Contribution to journalArticle

    Finite automata
    Merging
    Time series
    Probability distributions
    Entropy
    2 Citations (Scopus)

    Statistical mechanics-inspired framework for studying the effects of mixed traffic flows on highway congestion

    Jerath, K., Ray, A., Brennan, S. N. & Gayah, V. V., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 5402-5407 6 p. 6858835. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Statistical mechanics
    Adaptive cruise control
    Intelligent vehicle highway systems
    Potts model
    2 Citations (Scopus)

    Target detection and target type & motion classification: Comparison of feature extraction algorithms

    Li, Y., Ray, A. & Wettergren, T. A., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 1132-1137 6 p. 6858726

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target tracking
    Feature extraction
    Sonar
    Principal component analysis
    Sensor networks
    2013

    Adaptive optimal power trade-off in underwater sensor networks

    Jha, D. K., Wettergren, T. A. & Ray, A., Jan 1 2013, Control, Monitoring, and Energy Harvesting of Vibratory Systems; Cooperative and Networked Control; Delay Systems; Dynamical Modeling and Diagnostics in Biomedical Systems;. American Society of Mechanical Engineers (ASME), Vol. 2. DSCC2013-3717

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sensor networks
    Network performance
    Communication
    Energy management
    Genetic algorithms
    18 Citations (Scopus)

    Adaptive pattern classification for symbolic dynamic systems

    Wen, Y., Mukherjee, K. & Ray, A., Jan 1 2013, In : Signal Processing. 93, 1, p. 252-260 9 p.

    Research output: Contribution to journalArticle

    Pattern recognition
    Dynamical systems
    Finite automata
    Classifiers
    Computer simulation

    An artificial language for data-driven self-adaptation of networked robots in dynamic environments

    Phoha, S. & Ray, A., Aug 20 2013, Proceedings of the 8th International Conference on Computer Science and Education, ICCSE 2013. p. 186-194 9 p. 6553908. (Proceedings of the 8th International Conference on Computer Science and Education, ICCSE 2013).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    robot
    Robots
    Sensors
    Physics
    language
    12 Citations (Scopus)

    Anomaly detection in flight recorder data: A dynamic data-driven approach

    Das, S., Sarkar, S., Ray, A., Srivastava, A. & Simon, D. L., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 2668-2673 6 p. 6580237. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Feature extraction
    Time series
    Finite automata
    Computational efficiency
    Aviation
    3 Citations (Scopus)

    Autonomous Perception and Decision-making in eyber-physical systems

    Ray, A., Aug 20 2013, Proceedings of the 8th International Conference on Computer Science and Education, ICCSE 2013. 6554173. (Proceedings of the 8th International Conference on Computer Science and Education, ICCSE 2013).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Decision making
    decision making
    Hybrid systems
    Embedded systems
    source of information

    A variance-estimation-based stopping rule for symbolic dynamic filtering

    Wen, Y., Ray, A. & Du, Q., Jan 1 2013, In : Signal, Image and Video Processing. 7, 1, p. 189-195 7 p.

    Research output: Contribution to journalArticle

    Damage detection
    Finite automata
    Ultrasonics
    Fatigue of materials
    2 Citations (Scopus)

    Behavior prediction for decision and control in cognitive autonomous systems

    Ray, A., Phoha, S. & Sarkar, S., Nov 1 2013, In : New Mathematics and Natural Computation. 9, 3, p. 263-271 9 p.

    Research output: Contribution to journalArticle

    Cognitive Systems
    Autonomous Systems
    Prediction
    Quantum Probability
    Domain Knowledge
    6 Citations (Scopus)

    Classification of two-phase flow patterns by ultrasonic sensing

    Jha, D. K., Ray, A., Mukherjee, K. & Chakraborty, S., Mar 20 2013, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 135, 2, 24503.

    Research output: Contribution to journalArticle

    two phase flow
    Two phase flow
    Flow patterns
    Pattern recognition
    flow distribution
    4 Citations (Scopus)

    Coverage control of autonomous vehicles for oil spill cleaning in dynamic and uncertain environments

    Jin, X. & Ray, A., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 2594-2599 6 p. 6580225. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Oil spills
    Cleaning
    Navigation
    Weathering
    Ports and harbors
    28 Citations (Scopus)

    Detection and estimation of demagnetization faults in permanent magnet synchronous motors

    Chakraborty, S., Keller, E., Ray, A. & Mayer, J., Jan 7 2013, In : Electric Power Systems Research. 96, p. 225-236 12 p.

    Research output: Contribution to journalArticle

    Demagnetization
    Synchronous motors
    Permanent magnets
    Dynamical systems
    Health
    8 Citations (Scopus)

    Distributed decision propagation in mobile-agent proximity networks

    Sarkar, S., Mukherjee, K. & Ray, A., Jun 1 2013, In : International Journal of Control. 86, 6, p. 1118-1130 13 p.

    Research output: Contribution to journalArticle

    Mobile agents
    Parallel algorithms
    Topology
    Computer simulation
    11 Citations (Scopus)

    Dynamic data driven sensor array fusion for target detection and classification

    Virani, N., Marcks, S., Sarkar, S., Mukherjee, K., Ray, A. & Phoha, S., Jan 1 2013, In : Procedia Computer Science. 18, p. 2046-2055 10 p.

    Research output: Contribution to journalConference article

    Sensor arrays
    Target tracking
    Fusion reactions
    Classifiers
    Sensors
    2 Citations (Scopus)

    Hilbert space formulation of symbolic systems for signal representation and analysis

    Wen, Y., Ray, A. & Phoha, S., Sep 1 2013, In : Signal Processing. 93, 9, p. 2594-2611 18 p.

    Research output: Contribution to journalArticle

    Hilbert spaces
    Finite automata
    Formal languages
    Functional analysis
    Damage detection

    Identification of instabilities in rotorcraft systems

    Sonti, S., Horn, J., Keller, E. & Ray, A., Jan 1 2013, Aerial Vehicles; Aerospace Control; Alternative Energy; Automotive Control Systems; Battery Systems; Beams and Flexible Structures; Biologically-Inspired Control and its Applications;. American Society of Mechanical Engineers (ASME), V001T01A001. (ASME 2013 Dynamic Systems and Control Conference, DSCC 2013; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series
    Turbomachine blades
    Signal to noise ratio
    Dynamical systems
    Rotors
    1 Citation (Scopus)

    Language measure-theoretic path planning in the presence of dynamic obstacles

    Sonti, S., Virani, N., Jha, D. K., Mukherjee, K. & Ray, A., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 5110-5115 6 p. 6580632. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Motion planning
    Finite automata
    Electric current measurement
    Stochastic models
    Planning
    21 Citations (Scopus)

    Lean blow-out prediction in gas turbine combustors using symbolic time series analysis

    Mukhopadhyay, A., Chaudhari, R. R., Paul, T., Sen, S. & Ray, A., Jul 1 2013, In : Journal of Propulsion and Power. 29, 4, p. 950-960 11 p.

    Research output: Contribution to journalArticle

    blowout
    time series analysis
    Time series analysis
    gas turbines
    combustion chambers
    21 Citations (Scopus)

    Multi-sensor information fusion for fault detection in aircraft gas turbine engines

    Sarkar, S., Sarkar, S., Mukherjee, K., Ray, A. & Srivastav, A., Dec 1 2013, In : Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 227, 12, p. 1988-2001 14 p.

    Research output: Contribution to journalArticle

    Information fusion
    Fault detection
    Gas turbines
    Turbines
    Aircraft
    35 Citations (Scopus)

    Performance comparison of feature extraction algorithms for target detection and classification

    Bahrampour, S., Ray, A., Sarkar, S., Damarla, T. & Nasrabadi, N. M., Sep 11 2013, In : Pattern Recognition Letters. 34, 16, p. 2126-2134 9 p.

    Research output: Contribution to journalArticle

    Target tracking
    Feature extraction
    Sensors
    Principal component analysis
    Finite automata
    3 Citations (Scopus)

    Spatiotemporal information fusion for fault detection in shipboard auxiliary systems

    Sarkar, S., Virani, N., Yasar, M., Ray, A. & Sarkar, S., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 3846-3851 6 p. 6580426. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Information fusion
    Fault detection
    Sensors
    Computational efficiency
    Information management
    17 Citations (Scopus)

    Symbolic dynamic analysis of transient time series for fault detection in gas turbine engines

    Sarkar, S., Mukherjee, K., Sarkar, S. & Ray, A., Jan 30 2013, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 135, 1, 014506.

    Research output: Contribution to journalArticle

    gas turbine engines
    fault detection
    Fault detection
    Dynamic analysis
    Gas turbines