Asok Ray

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

    Article
    19 Citations (Scopus)
    Calibration
    filters
    fault detection
    adaptive filters
    microcomputers
    13 Citations (Scopus)

    A carbon monoxide sensor in polymer electrolyte fuel cells based on symbolic dynamic filtering

    Bhambare, K. S., Gupta, S., Mench, M. M. & Ray, A., Sep 25 2008, In : Sensors and Actuators, B: Chemical. 134, 2, p. 803-815 13 p.

    Research output: Contribution to journalArticle

    Carbon Monoxide
    Carbon monoxide
    carbon monoxide
    Electrolytes
    fuel cells
    2 Citations (Scopus)

    A complex measure for linear grammars

    Chattopadhyay, I. & Ray, A., Jul 1 2005, In : Demonstratio Mathematica. 38, 3, p. 761-775 15 p.

    Research output: Contribution to journalArticle

    Grammar
    Regular Languages
    Supervisory Control
    Context-free Grammar
    Signed
    7 Citations (Scopus)
    Propulsion
    Control systems
    Aircraft propulsion
    Aircraft
    Engines
    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
    7 Citations (Scopus)
    Statistical mechanics
    Sensor nodes
    Sensor networks
    Scheduling
    Sensors

    A decision support system for maintenance management of a boiling-Water reactor power plant

    Shen, J. H., Ray, B. A. & Levine, S., Dec 1 1996, In : Nuclear Safety. 37, 1, p. 1-10 10 p.

    Research output: Contribution to journalArticle

    Management Decision Support Systems
    Power Plants
    Expert Systems
    Boiling water reactors
    Decision support systems

    A decision support system for real‐time monitoring and control of dynamical processes

    Nann, S. R., Ray, A. & Kumara, S., Dec 1991, In : International Journal of Intelligent Systems. 6, 7, p. 739-758 20 p.

    Research output: Contribution to journalArticle

    Real-time Monitoring
    Real-time Control
    Decision Support Systems
    Decision support systems
    Diagnostics
    2 Citations (Scopus)
    Medium access control
    Fiber optics
    access control
    Industrial plants
    Drawing (graphics)
    1 Citation (Scopus)
    statistical analysis
    Fiber optics
    fiber optics
    Statistical methods
    manufacturing

    A fiber-optic network protocol for computer integrated manufacturing

    Ayyagari, A. & Ray, A., Jan 1 1992, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 114, 3, p. 345-351 7 p.

    Research output: Contribution to journalArticle

    Computer integrated manufacturing
    Fiber optic networks
    Network protocols
    Fiber optics
    Medium access control
    3 Citations (Scopus)

    A language measure for partially observed discrete event systems

    Chattopadhyay, I. & Ray, A., Sep 1 2006, In : International Journal of Control. 79, 9, p. 1074-1086 13 p.

    Research output: Contribution to journalArticle

    Discrete event simulation
    Formal languages
    Control systems
    Chemical analysis
    46 Citations (Scopus)

    A language measure for performance evaluation of discrete-event supervisory control systems

    Wang, X. & Ray, A., Sep 1 2004, In : Applied Mathematical Modelling. 28, 9, p. 817-833 17 p.

    Research output: Contribution to journalArticle

    Supervisory Control
    Formal languages
    Discrete Event
    Finite automata
    Performance Evaluation
    7 Citations (Scopus)

    A Language Measure for Supervisory Control

    Ray, A., Surana, A. & Phoha, S., Oct 2003, In : Applied Mathematics Letters. 16, 7, p. 985-991 7 p.

    Research output: Contribution to journalArticle

    Supervisory Control
    Formal languages
    Automata theory
    Regular Languages
    Supervisory personnel
    5 Citations (Scopus)

    A Microcomputer-Based Fault-Tolerant Control System for Industrial Applications

    Ray, A., Jan 1 1985, In : IEEE Transactions on Industry Applications. IA-21, 5, p. 1276-1283 8 p.

    Research output: Contribution to journalArticle

    Microcomputers
    Industrial applications
    Control systems
    Research reactors
    Sensors
    7 Citations (Scopus)

    An adaptive real-time intelligent seam tracking system

    Nayak, N., Ray, A. & Vavreck, A. N., Jan 1 1987, In : Journal of Manufacturing Systems. 6, 3, p. 241-245 5 p.

    Research output: Contribution to journalArticle

    Welding
    Electric arc welding
    Welds
    Automation
    Seam welding
    3 Citations (Scopus)

    An Adaptive Seam Tracker For Welding Heavy-Section Aluminum

    Vavreck, A. N., Nayak, N., Bushway, E. D. & Ray, A., Jan 1 1989, In : IEEE Transactions on Industry Applications. 25, 4, p. 658-663 6 p.

    Research output: Contribution to journalArticle

    Welding
    Aluminum
    Welds
    Robotics
    Expert systems

    Analysis and simulation of the priority scheme in token bus protocols

    Seung Ho Hong, H. H. & Ray, A., Jan 1 1990, In : Computer Communications. 13, 3, p. 157-164 8 p.

    Research output: Contribution to journalArticle

    Network protocols
    Medium access control
    Computer networks
    Industrial plants
    Analytical models
    1 Citation (Scopus)
    video data
    boiling
    Boiling liquids
    vessels
    Fluids
    19 Citations (Scopus)

    ANALYTIC REDUNDANCY FOR ON-LINE FAULT DIAGNOSIS IN A NUCLEAR REACTOR.

    Ray, A., Geiger, R., Desai, M. & Deyst, J., Jan 1 1983, In : Journal of energy. 7, 4, p. 367-373 7 p.

    Research output: Contribution to journalArticle

    Nuclear reactors
    Failure analysis
    Redundancy
    Nuclear instrumentation
    Sensors
    8 Citations (Scopus)

    Analytic signal space partitioning and symbolic dynamic filtering for degradation monitoring of electric motors

    Chakraborty, S., Ray, A., Subbu, A. & Keller, E., Nov 1 2010, In : Signal, Image and Video Processing. 4, 4, p. 399-403 5 p.

    Research output: Contribution to journalArticle

    Electric motors
    Synchronous motors
    Permanent magnets
    Degradation
    Monitoring
    8 Citations (Scopus)

    An information-theoretic measure for anomaly detection in complex dynamical systems

    Srivastav, A., Ray, A. & Gupta, S., Feb 1 2009, In : Mechanical Systems and Signal Processing. 23, 2, p. 358-371 14 p.

    Research output: Contribution to journalArticle

    Dynamical systems
    Information analysis
    Statistical mechanics
    Information theory
    Time series
    13 Citations (Scopus)

    An inner product space on irreducible and synchronizable probabilistic finite state automata

    Adenis, P., Wen, Y. & Ray, A., Jan 1 2012, In : Mathematics of Control, Signals, and Systems. 23, 4, p. 281-310 30 p.

    Research output: Contribution to journalArticle

    Finite State Automata
    Inner product space
    Finite automata
    Formulation
    Algebraic Approach

    An integrated scheme for anomaly identification and automatic control of nuclear power plants

    Jin, X., Edwards, R. M. & Ray, A., 2009, In : Transactions of the American Nuclear Society. 101, p. 315-316 2 p.

    Research output: Contribution to journalArticle

    Nuclear power plants
    58 Citations (Scopus)

    An Introduction to Sensor Signal Validation in Redundant Measurement Systems

    Ray, A. & Luck, R., Jan 1 1991, In : IEEE Control Systems. 11, 2, p. 44-49 6 p.

    Research output: Contribution to journalArticle

    Redundant System
    Measurement System
    Fault Detection and Isolation
    Sensor
    Sensors
    361 Citations (Scopus)

    An observer-based compensator for distributed delays

    Luck, R. & Ray, A., Jan 1 1990, In : Automatica. 26, 5, p. 903-908 6 p.

    Research output: Contribution to journalArticle

    Robustness (control systems)
    Communication systems
    Actuators
    Control systems
    Controllers
    13 Citations (Scopus)

    Anomaly detection for health management of aircraft gas turbine engines

    Tolani, D., Yasar, M., Chin, S. & Ray, A., 2005, In : Proceedings of the American Control Conference. 1, p. 459-464 6 p., WeA15.1.

    Research output: Contribution to journalArticle

    Pattern recognition
    Gas turbines
    Time series
    Turbines
    Aircraft
    26 Citations (Scopus)

    Anomaly detection in aircraft gas turbine engines

    Tolani, D., Yasar, M., Ray, A. & Yang, V., Feb 1 2006, In : Journal of Aerospace Computing, Information and Communication. 3, 2, p. 44-51 8 p.

    Research output: Contribution to journalArticle

    Time series analysis
    Principal component analysis
    Propulsion
    Gas turbines
    Time series
    11 Citations (Scopus)

    Anomaly detection in flexible mechanical couplings via symbolic time series analysis

    Khatkhate, A., Gupta, S., Ray, A. & Patankar, R., Apr 8 2008, In : Journal of Sound and Vibration. 311, 3-5, p. 608-622 15 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    time series analysis
    Time series analysis
    Automata theory
    Machine vibrations
    21 Citations (Scopus)

    Anomaly detection in nuclear power plants via symbolic dynamic filtering

    Jin, X., Guo, Y., Sarkar, S., Ray, A. & Edwards, R. M., Feb 1 2011, In : IEEE Transactions on Nuclear Science. 58, 1 PART 2, p. 277-288 12 p., 5654618.

    Research output: Contribution to journalArticle

    nuclear power plants
    Nuclear power plants
    anomalies
    sensors
    Sensors
    20 Citations (Scopus)
    Time series analysis
    Combustors
    Time series
    Dynamic models
    Friction
    28 Citations (Scopus)

    A nonlinear opamic model of a once-through subcritical steam generator

    Ray, A. & Bowman, H. F., Jan 1 1976, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 98, 3, p. 332-339 8 p.

    Research output: Contribution to journalArticle

    Economizers
    Superheaters
    Hydraulic models
    boilers
    Steam generators
    24 Citations (Scopus)

    A nonlinear stochastic model of fatigue crack dynamics

    Ray, A. & Tangirala, S., Jan 1997, In : Probabilistic Engineering Mechanics. 12, 1, p. 33-40 8 p.

    Research output: Contribution to journalArticle

    Stochastic models
    cracks
    Extended Kalman filters
    Model structures
    Service life
    1 Citation (Scopus)
    bolt
    Bolts
    Roofs
    roof
    Drilling
    37 Citations (Scopus)

    A Reconfigurable Hybrid System and Its Application to Power Plant Control

    Garcia, H. E., Ray, A. & Edwards, R. M., Jan 1 1995, In : IEEE Transactions on Control Systems Technology. 3, 2, p. 157-170 14 p.

    Research output: Contribution to journalArticle

    Hybrid systems
    Power plants
    Control systems
    Breeder reactors
    Discrete event simulation
    32 Citations (Scopus)

    A redundancy management procedure for fault detection and isolation

    Ray, A. & Desai, M., Jan 1 1986, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 108, 3, p. 248-254 7 p.

    Research output: Contribution to journalArticle

    fault detection
    redundancy
    Fault detection
    Redundancy
    isolation
    34 Citations (Scopus)

    A state-space model of fatigue crack growth

    Patankar, R., Ray, A. & Lakhtakia, A., Jan 1 1998, In : International Journal of Fracture. 90, 3, p. 235-249 15 p.

    Research output: Contribution to journalArticle

    Fatigue Crack Growth
    State-space Model
    Fatigue crack propagation
    Crack
    Cracks
    33 Citations (Scopus)

    A stochastic model of fatigue crack propagation under variable-amplitude loading

    Ray, A. & Patankar, R., Mar 1 1999, In : Engineering Fracture Mechanics. 62, 4-5, p. 477-493 17 p.

    Research output: Contribution to journalArticle

    Stochastic models
    Fatigue crack propagation
    Crack propagation
    Machine components
    Spacecraft
    39 Citations (Scopus)
    regulators
    telecommunication
    Communication systems
    Control systems
    Flight dynamics
    4 Citations (Scopus)

    A stopping rule for symbolic dynamic filtering

    Wen, Y. & Ray, A., Sep 1 2010, In : Applied Mathematics Letters. 23, 9, p. 1125-1128 4 p.

    Research output: Contribution to journalArticle

    Finite State Automata
    Stopping Rule
    Symbolic Dynamics
    Confidence Level
    Finite automata
    5 Citations (Scopus)

    Asynchronous data-driven classification of weapon systems

    Jin, X., Mukherjee, K., Gupta, S., Ray, A., Phoha, S. & Damarla, T., Dec 22 2009, In : Measurement Science and Technology. 20, 12, 123001.

    Research output: Contribution to journalArticle

    weapon systems
    Pattern Classification
    Classification Algorithm
    Data-driven
    weapons
    9 Citations (Scopus)

    Automated behaviour recognition in mobile robots using symbolic dynamic filtering

    Mallapragada, G., Chattopadhyay, I. & Ray, A., Oct 6 2008, In : Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering. 222, 6, p. 409-424 16 p.

    Research output: Contribution to journalArticle

    Mobile robots
    Robots
    Dynamical systems
    Robotics

    AUTOMATED FINISHING OF STEEL CASTINGS.

    Ray, A., Jan 1 1980, In : Industrial Robot. 7, 3, p. 172-174 3 p.

    Research output: Contribution to journalArticle

    Steel castings
    Time and motion study
    Metals
    3 Citations (Scopus)

    Autonomous robot navigation using optimal control of probabilistic regular languages

    Mallapragada, G., Chattopadhyay, I. & Ray, A., Jan 1 2009, In : International Journal of Control. 82, 1, p. 13-26 14 p.

    Research output: Contribution to journalArticle

    Formal languages
    Navigation
    Robots
    Robotics
    Finite automata

    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
    1 Citation (Scopus)

    Bayesian nonparametric modeling of categorical data for information fusion and causal inference

    Xiong, S., Fu, Y. & Ray, A., Jun 1 2018, In : Entropy. 20, 6, 396.

    Research output: Contribution to journalArticle

    combustion chambers
    inference
    factorization
    economics
    regression analysis

    Bayesian Nonparametric Regression Modeling of Panel Data for Sequential Classification

    Xiong, S., Fu, Y. & Ray, A., Sep 1 2018, In : IEEE Transactions on Neural Networks and Learning Systems. 29, 9, p. 4128-4139 12 p., 8066450.

    Research output: Contribution to journalArticle

    Parameter estimation
    Pattern recognition
    Computer simulation
    Testing
    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
    1 Citation (Scopus)

    CALIBRATION AND ESTIMATION IN MULTIPLY REDUNDANT MEASUREMENT SYSTEMS.

    Ray, A. & Desai, M., 1983, In : Proceedings of the American Control Conference. 3, p. 1212-1218 7 p.

    Research output: Contribution to journalArticle

    Calibration
    5 Citations (Scopus)

    Calibration and estimation of redundant signals

    Ray, A. & Phoha, S., Jan 1 2000, In : Automatica. 36, 10, p. 1525-1534 10 p.

    Research output: Contribution to journalArticle

    Power plants
    Calibration
    Transport aircraft
    Adaptive filters
    Covariance matrix