Asok Ray

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

    2000

    Pilot safety enhancement for on-board ground collision avoidance systems

    Pinchak, S. J. & Ray, A., 2000, In : Aircraft Engineering and Aerospace Technology. 72, 5, p. 422-429 8 p.

    Research output: Contribution to journalArticle

    Collision avoidance
    Recovery
    Aircraft
    Aircraft engines
    Seats

    Pilot safety enhancement for on-board ground collision avoidance systems

    Pinchak, S. J. & Ray, A., Dec 1 2000, AIAA Guidance, Navigation, and Control Conference and Exhibit. (AIAA Guidance, Navigation, and Control Conference and Exhibit).

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

    Collision avoidance
    Recovery
    Aircraft
    Aircraft engines
    Seats
    2 Citations (Scopus)

    Robust damage-mitigating control of aircraft for high performance and structural durability

    Caplin, J., Ray, A. & Joshi, S. M., Jan 1 2000, In : Proceedings of the American Control Conference. 5, p. 3048-3052 5 p.

    Research output: Contribution to journalArticle

    Durability
    Aircraft
    Controllers
    Flight dynamics
    Fatigue crack propagation

    Robust damage-mitigating control of aircraft structures

    Ray, A., Caplin, J. & Joshi, S. M., Dec 1 2000, AIAA Guidance, Navigation, and Control Conference and Exhibit. (AIAA Guidance, Navigation, and Control Conference and Exhibit).

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

    Aircraft
    Controllers
    Flight dynamics
    Robust control
    Fatigue crack propagation
    42 Citations (Scopus)

    Robust feedback control of combustion instability with modeling uncertainty

    Hong, B. S., Yang, V. & Ray, A., Jan 1 2000, In : Combustion and Flame. 120, 1-2, p. 91-106 16 p.

    Research output: Contribution to journalArticle

    combustion stability
    Robust control
    feedback control
    Feedback control
    Closed loop control systems
    26 Citations (Scopus)

    State-space modeling of fatigue crack growth in ductile alloys

    Patankar, R. & Ray, A., May 1 2000, In : Engineering Fracture Mechanics. 66, 2, p. 129-151 23 p.

    Research output: Contribution to journalArticle

    Fatigue crack propagation
    Cracks
    Crack closure
    Difference equations
    Constitutive equations
    10 Citations (Scopus)

    State-space model of fatigue crack growth for real-time structural health management

    Ray, A., Dec 1 2000, p. 6.C.1-1-6.C.1-8.

    Research output: Contribution to conferencePaper

    Fatigue crack propagation
    Health
    Cracks
    Crack closure
    Plastic flow

    Wide-range robust control of Combustion instability

    Hong, B. S., Ray, A. & Yang, V., Dec 1 2000.

    Research output: Contribution to conferencePaper

    trajectory control
    combustion stability
    Robust control
    combustion
    Fuel injection
    1999
    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
    18 Citations (Scopus)

    Compensatability and optimal compensation under randomly varying distributed delays

    Tsai, N. C. & Ray, A., Jan 1 1999, In : International Journal of Control. 72, 9, p. 826-832 7 p.

    Research output: Contribution to journalArticle

    Controllers
    Sensors
    Actuators
    Compensation and Redress
    Sampling
    6 Citations (Scopus)

    Damage mitigating controller design for structural durability

    Patankar, R. & Ray, A., Jan 1 1999, In : IEEE Transactions on Control Systems Technology. 7, 5, p. 606-612 7 p.

    Research output: Contribution to journalArticle

    Durability
    Controllers
    Rocket engines
    Reusable rockets
    Feedback
    3 Citations (Scopus)

    Damage-mitigating control with overload injection: Experimental validation of the concept

    Zhang, H., Ray, A. & Patankar, R., Dec 1 1999, In : Proceedings of the American Control Conference. 2, p. 1188-1192 5 p.

    Research output: Contribution to journalConference article

    Robust control
    Feedback control
    Durability
    Machinery
    Actuators
    3 Citations (Scopus)

    Fuzzy wide-range control of fossil power plants for life extension and robust performance

    Kallappa, P. & Ray, A., Dec 1 1999, In : Proceedings of the American Control Conference. 5, p. 3231-3235 5 p.

    Research output: Contribution to journalConference article

    Plant life extension
    Power plants
    Fossil fuel power plants
    Steam power plants
    Control systems

    Hybrid life extending control of mechanical structures

    Zhang, H., Ray, A. & Phoha, S., Dec 1 1999, In : Proceedings of the IEEE Conference on Decision and Control. 2, p. 1357-1362 6 p.

    Research output: Contribution to journalConference article

    Discrete Event
    Controllers
    Damage
    High Performance
    Complex Dynamical Systems
    2 Citations (Scopus)

    Life extending control of gas turbine engines

    Tangirala, S., Caplin, J., Keller, E. & Ray, A., Dec 1 1999, In : Proceedings of the American Control Conference. 4, p. 2642-2646 5 p.

    Research output: Contribution to journalConference article

    Gas turbines
    Turbines
    Turbomachine blades
    Fans
    Compressors
    14 Citations (Scopus)
    Robust control
    damage
    Degradation
    Fatigue damage
    degradation
    1 Citation (Scopus)

    Simulation of a load dispatch control system

    Kallappa, P., Ray, A. & Phoha, S., Dec 1 1999, In : Proceedings of the American Control Conference. 3, p. 1744-1748 5 p.

    Research output: Contribution to journalConference article

    Availability
    Control systems
    Health
    Electric power distribution
    Fuzzy logic
    6 Citations (Scopus)

    Stochastic modeling of fatigue crack damage for information-based maintenance

    Ray, A. & Phoha, S., Dec 1 1999, In : Annals of Operations Research. 91, p. 191-204 14 p.

    Research output: Contribution to journalArticle

    Fatigue
    Stochastic modeling
    Damage
    Machinery
    Stochastic model
    12 Citations (Scopus)
    Risk analysis
    cracks
    damage
    predictions
    Stochastic models
    1998
    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

    Compensatability and optimal compensation under randomly varying distributed delays

    Tsai, N. C. & Ray, A., Dec 1 1998, In : Proceedings of the IEEE Conference on Decision and Control. 1, p. 772-777 6 p.

    Research output: Contribution to journalConference article

    Distributed Delay
    Controller
    Controllers
    Compensator
    Sensor
    3 Citations (Scopus)

    Damage mitigating control of a reusable rocket engine for structural durability

    Holmes, M., Patankar, R., Ray, A. & Tangirala, S., Dec 1 1998, Proceedings of the 1998 American Control Conference, ACC 1998. p. 3317-3321 5 p. 703188. (Proceedings of the American Control Conference; vol. 6).

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

    Reusable rockets
    Rocket engines
    Aircraft plants
    Durability
    Fatigue damage
    2 Citations (Scopus)

    Fatigue crack propagation under variable-amplitude load: Part I - a deterministic state-space model

    Patankar, R. & Ray, A., Dec 1 1998, p. 15-19. 5 p.

    Research output: Contribution to conferencePaper

    Fatigue crack propagation
    Cracks
    Crack closure
    Risk analysis
    Machinery
    1 Citation (Scopus)

    Fatigue crack propagation under variable-amplitude load: Part II - a stochastic model

    Ray, A. & Patankar, R., Dec 1 1998, p. 23-28. 6 p.

    Research output: Contribution to conferencePaper

    Stochastic models
    Fatigue crack propagation
    Crack propagation
    Machine components
    Risk assessment
    3 Citations (Scopus)

    Fuzzy damage-mitigating control of a fossil-fueled power plant

    Holmes, M. & Ray, A., Dec 1 1998, Proceedings of the 1998 American Control Conference, ACC 1998. p. 2289-2293 5 p. 703037. (Proceedings of the American Control Conference; vol. 4).

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

    Power plants
    Control systems
    Controllers
    Maintainability
    Fuzzy logic
    23 Citations (Scopus)

    Fuzzy damage mitigating control of ivjechanical structures

    Holmes, M. S. & Ray, A., Jun 1998, In : Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME. 120, 2, p. 249-256 8 p.

    Research output: Contribution to journalArticle

    Reusable rockets
    damage
    Control systems
    Controllers
    Rocket engines
    3 Citations (Scopus)

    Hybrid damage-mitigating control of mechanical structures

    Zhang, H., Ray, A. & Phoha, S., Dec 1 1998, Proceedings of the 1998 American Control Conference, ACC 1998. p. 254-258 5 p. 694670. (Proceedings of the American Control Conference; vol. 1).

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

    Plant life extension
    Linear control systems
    Closed loop control systems
    Hybrid systems
    Energy conversion
    19 Citations (Scopus)

    Life-extending control of mechanical structures: Experimental verification of the concept

    Tangirala, S., Holmes, M., Ray, A. & Carpino, M., Jan 1 1998, In : Automatica. 34, 1, p. 3-14 12 p.

    Research output: Contribution to journalArticle

    Durability
    Plant life extension
    Systems science
    Feedforward control
    Testbeds
    90 Citations (Scopus)

    Linear unbiased state estimation under randomly varying bounded sensor delay

    Yaz, E. & Ray, A., Jan 1 1998, In : Applied Mathematics Letters. 11, 4, p. 27-32 6 p.

    Research output: Contribution to journalArticle

    Unbiased Estimation
    State Estimation
    State estimation
    Error analysis
    Feedback control

    Robust damage-mitigating control of mechanical structures: Experimental verification on a test apparatus

    Zhang, H. & Ray, A., Dec 1 1998, p. 1-8. 8 p.

    Research output: Contribution to conferencePaper

    Robust control
    Degradation
    Fatigue damage
    Service life
    Feedback control
    3 Citations (Scopus)

    Robust feedback control of combustion instability

    Hong, B. S., Ray, A. & Yang, V., Dec 1 1998, Proceedings of the 1998 American Control Conference, ACC 1998. p. 2002-2003 2 p. 702976. (Proceedings of the American Control Conference; vol. 4).

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

    Robust control
    Feedback control
    Control systems
    Propulsion
    Uncertainty
    1 Citation (Scopus)

    Robust feedback control of combustion instability with model uncertainty

    Hong, B. S., Yang, V. & Ray, A., Jan 1 1998.

    Research output: Contribution to conferencePaper

    combustion stability
    Robust control
    feedback control
    Feedback control
    controllers
    3 Citations (Scopus)

    Stochastic modeling of fatigue crack dynamics for risk analysis and remaining life prediction

    Ray, A., 1998, Proceedings of the 1998 American Control Conference, ACC 1998. Vol. 4. p. 2591-2595 5 p. 703103

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

    Risk analysis
    Crack propagation
    Statistics
    Machine components
    Fatigue crack propagation
    17 Citations (Scopus)

    Stochastic modeling of fatigue crack propagation

    Ray, A., Tangirala, S. & Phoha, S., Jan 1 1998, In : Applied Mathematical Modelling. 22, 3, p. 197-204 8 p.

    Research output: Contribution to journalArticle

    Fatigue Crack Propagation
    Stochastic Modeling
    Fatigue crack propagation
    Crack propagation
    Crack Propagation
    20 Citations (Scopus)

    Technical note. Robust multivariable control of rotorcraft in forward flight: Impact of bandwidth on fatigue life

    Rozak, J. N. & Ray, A., Jul 1 1998, In : Journal of the American Helicopter Society. 43, 3, p. 195-201 7 p.

    Research output: Contribution to journalArticle

    Fatigue of materials
    Bandwidth
    Control systems
    Helicopters
    Multivariable control systems
    1997

    Adaptive control of a fatigue test machine for on-line damage sensing/life prediction

    Keller, E., Zhang, H. & Ray, A., Jan 1 1997, In : Proceedings of the American Control Conference. 1, p. 756-757 2 p.

    Research output: Contribution to journalConference article

    Fatigue testing
    Fatigue of materials
    Controllers
    Compliance
    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
    36 Citations (Scopus)

    Control of forced vibration using multi-electrode electro-rheological fluid dampers

    Gordaninejad, F., Ray, A. & Wang, H., Oct 1997, In : Journal of Vibration and Acoustics, Transactions of the ASME. 119, 4, p. 527-531 5 p.

    Research output: Contribution to journalArticle

    Electrorheological fluids
    electrorheological fluids
    forced vibration
    dampers
    Vibrations (mechanical)
    7 Citations (Scopus)

    Fuzzy damage mitigating control of mechanical structures

    Holmes, M. & Ray, A., Dec 1 1997, In : Proceedings of the IEEE Conference on Decision and Control. 3, p. 2722-2727 6 p.

    Research output: Contribution to journalConference article

    Reusable rockets
    Damage
    Control systems
    Controllers
    Rocket engines
    4 Citations (Scopus)

    Life-extending control of a reusable rocket engine

    Holmes, M., Tangirala, S. & Ray, A., 1997, In : Proceedings of the American Control Conference. 4, p. 2328-2332 5 p.

    Research output: Contribution to journalArticle

    Reusable rockets
    Rocket engines
    Controllers
    Turbines
    Engines
    35 Citations (Scopus)

    Life-extending control of fossil fuel power plants

    Kallappa, P., Holmes, M. S. & Ray, A., Jan 1 1997, In : Automatica. 33, 6, p. 1101-1118 18 p.

    Research output: Contribution to journalArticle

    Fossil fuel power plants
    Power plants
    Feedforward control
    Feedback control
    Durability
    3 Citations (Scopus)

    Life extending control of gas turbine engines for aircraft propulsion

    Caplin, J. & Ray, A., Dec 1 1997, In : Proceedings of the IEEE Conference on Decision and Control. 5, p. 4700-4701 2 p.

    Research output: Contribution to journalConference article

    Aircraft propulsion
    Gas Turbine
    Gas turbines
    Aircraft
    Engine
    3 Citations (Scopus)

    Life-extending control of reusable rocket engines

    Holmes, M., Tangirala, S. & Ray, A., Jan 1 1997, In : Journal of Guidance, Control, and Dynamics. 20, 3, p. 621-623 3 p.

    Research output: Contribution to journalArticle

    turbomachine blades
    reusable rocket engines
    Reusable rockets
    space shuttles
    service life
    30 Citations (Scopus)

    Robust multivariable control of rotorcraft in forward flight

    Rozak, J. N. & Ray, A., Apr 1 1997, In : Journal of the American Helicopter Society. 42, 2, p. 149-159 11 p.

    Research output: Contribution to journalArticle

    Value engineering
    Robust control
    Model structures
    Helicopters
    Specifications
    39 Citations (Scopus)

    Robust wide-range control of steam-electric power plants

    Weng, C. K. & Ray, A., Dec 1 1997, In : IEEE Transactions on Control Systems Technology. 5, 1, p. 74-88 15 p.

    Research output: Contribution to journalArticle

    Steam power plants
    Electric power plants
    Feedforward control
    Feedback control
    Control systems
    2 Citations (Scopus)

    Stochastic modeling of fatigue crack propagation

    Ray, A. & Tangirala, S., Jan 1 1997, In : Proceedings of the American Control Conference. 1, p. 425-429 5 p.

    Research output: Contribution to journalConference article

    Fatigue crack propagation
    Crack propagation
    Stochastic models
    Model structures
    Aluminum alloys
    32 Citations (Scopus)

    Stochastic optimal control under randomly varying distributed delays

    Tsai, N. C. & Ray, A., Jan 1 1997, In : International Journal of Control. 68, 5, p. 1179-1202 24 p.

    Research output: Contribution to journalArticle

    Aircraft
    Riccati equations
    Computer networks
    Dynamic programming
    Closed loop systems
    1996

    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
    6 Citations (Scopus)
    reusable rocket engines
    Reusable rockets
    engine parts
    Rocket engines
    damage
    21 Citations (Scopus)
    reusable rocket engines
    Reusable rockets
    engine parts
    thrust chambers
    Rocket engines