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Proc. ASME. IMECE2022, Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters, V009T14A013, October 30–November 3, 2022

Publisher: American Society of Mechanical Engineers

Paper No: IMECE2022-94192

https://doi.org/10.1115/IMECE2022-94192

View Paper titled, Artificial Neural Network for Automatic Prediction of the Surface Finishing via Classification of the Surface Texture

Topics: Artificial neural networks, Surface finishing, Surface texture, Machining, Computer-aided design, Stress concentration, Surface roughness, Water jet cutting, Aluminum alloys, Artificial intelligence

Journal Articles

Topology Optimization and Experimental Validation of an Additively Manufactured U-Bend Channel

Shinjan Ghosh, Ryan Wardell, Sudeepta Mondal, Erik Fernandez, Asok Ray, Jayanta Kapat

Publisher: ASME

J. Fluids Eng. July 2022, 144(7): 071206.

Paper No: FE-21-1340

https://doi.org/10.1115/1.4052928

Published Online: February 17, 2022

View Article titled, Topology Optimization and Experimental Validation of an Additively Manufactured U-Bend Channel

Topics: Additive manufacturing, Computational fluid dynamics, Optimization, Pressure, Pressure drop, Shapes, Topology, Flow (Dynamics), Design, Fluids

Proceedings Papers

Robust Damage-Mitigating Control of Mechanical Structures: Experimental Verification on a Test Apparatus

Hui Zhang, Asok Ray

Proc. ASME. IMECE98, Dynamic Systems and Control, 1-8, November 15–20, 1998

Publisher: American Society of Mechanical Engineers

Paper No: IMECE1998-0226

https://doi.org/10.1115/IMECE1998-0226

View Paper titled, Robust Damage-Mitigating Control of Mechanical Structures: Experimental Verification on a Test Apparatus

Topics: Damage, Mechanical structures, Control systems, Design, Dynamics (Mechanics), Fatigue damage, Fatigue life, Feedback, Machinery, Materials degradation

Proceedings Papers

Fatigue Crack Propagation Under Variable-Amplitude Load: Part I — A Deterministic State-Space Model

Ravindra Patankar, Asok Ray

Proc. ASME. IMECE98, Dynamic Systems and Control, 15-22, November 15–20, 1998

Publisher: American Society of Mechanical Engineers

Paper No: IMECE1998-0228

https://doi.org/10.1115/IMECE1998-0228

View Paper titled, Fatigue Crack Propagation Under Variable-Amplitude Load: Part I — A Deterministic State-Space Model

Topics: Fatigue cracks, Stress, Fracture (Materials), Algorithms, Aluminum alloys, Computation, Damage, Excitation, Machinery, Modeling

Proceedings Papers

Fatigue Crack Propagation Under Variable-Amplitude Load: Part II — A Stochastic Model

Asok Ray, Ravindra Patankar

Proc. ASME. IMECE98, Dynamic Systems and Control, 23-30, November 15–20, 1998

Publisher: American Society of Mechanical Engineers

Paper No: IMECE1998-0229

https://doi.org/10.1115/IMECE1998-0229

View Paper titled, Fatigue Crack Propagation Under Variable-Amplitude Load: Part II — A Stochastic Model

Topics: Fatigue cracks, Stress, Aircraft, Algorithms, Alloys, Aluminum alloys, Complex systems, Crack propagation, Differential equations, Fracture (Materials)

Proceedings Papers

Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

Shinjan Ghosh, Sudeepta Mondal, Ryan Wardell, Erik Fernandez, Jayanta S. Kapat, Asok Ray

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A011, June 7–11, 2021

Publisher: American Society of Mechanical Engineers

Paper No: GT2021-59415

https://doi.org/10.1115/GT2021-59415

View Paper titled, Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

Topics: Additive manufacturing, Optimization, Design, Shapes, Computational fluid dynamics, Pressure, Pressure drop, Cooling, Simulation, Turbulence

Journal Articles

On State-Space Modeling and Signal Localization in Dynamical Systems

Asok Ray

Publisher: ASME

Letters Dyn. Sys. Control. January 2022, 2(1): 011006.

Paper No: ALDSC-20-1082

https://doi.org/10.1115/1.4051142

Published Online: May 31, 2021

View Article titled, On State-Space Modeling and Signal Localization in Dynamical Systems

Topics: Dynamic systems, Modeling, Signals, Dimensions, Degrees of freedom

Journal Articles

Transfer Learning for Detection of Combustion Instability Via Symbolic Time-Series Analysis

Chandrachur Bhattacharya, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. October 2021, 143(10): 101002.

Paper No: DS-20-1472

https://doi.org/10.1115/1.4050847

Published Online: May 13, 2021

View Article titled, Transfer Learning for Detection of Combustion Instability Via Symbolic Time-Series Analysis

Topics: Algorithms, Combustion chambers, Pressure, Time series, Computer simulation, Artificial neural networks, Combustion, Combustion systems

Journal Articles

Early Detection of Fatigue Crack Damage in Ductile Materials: A Projection-Based Probabilistic Finite State Automata Approach

Chandrachur Bhattacharya, Susheel Dharmadhikari, Amrita Basak, Asok Ray

Publisher: ASME

Letters Dyn. Sys. Control. October 2021, 1(4): 041003.

Paper No: ALDSC-20-1041

https://doi.org/10.1115/1.4050183

Published Online: March 11, 2021

View Article titled, Early Detection of Fatigue Crack Damage in Ductile Materials: A Projection-Based Probabilistic Finite State Automata Approach

Topics: Algorithms, Damage, Fatigue cracks, Fracture (Materials), Machinery, Time series, Signals, Fatigue damage, Eigenvalues, Fatigue testing

Journal Articles

Forecasting and Detection of Fatigue Cracks in Polycrystalline Alloys With Ultrasonic Testing Via Discrete Wavelet Transform

Hassan Alqahtani, Asok Ray

Publisher: ASME

ASME J Nondestructive Evaluation. August 2021, 4(3): 031003.

Paper No: NDE-20-1062

https://doi.org/10.1115/1.4049732

Published Online: February 23, 2021

View Article titled, Forecasting and Detection of Fatigue Cracks in Polycrystalline Alloys With Ultrasonic Testing Via Discrete Wavelet Transform

Topics: Discrete wavelet transforms, Fatigue cracks, Signals, Ultrasonic testing

Proceedings Papers

Shape Optimization of Pin Fin Arrays Using Gaussian Process Surrogate Models Under Design Constraints

Shinjan Ghosh, Sudeepta Mondal, Jayanta S. Kapat, Asok Ray

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A021, September 21–25, 2020

Publisher: American Society of Mechanical Engineers

Paper No: GT2020-15277

https://doi.org/10.1115/GT2020-15277

View Paper titled, Shape Optimization of Pin Fin Arrays Using Gaussian Process Surrogate Models Under Design Constraints

Topics: Design, Shape optimization, Blades, Fins, Optimization, Gas turbines, Pressure drop, Compressors, Computational fluid dynamics, Coolants

Journal Articles

Data-Driven Detection and Classification of Regimes in Chaotic Systems Via Hidden Markov Modeling

Chandrachur Bhattacharya, Asok Ray

Publisher: ASME

Letters Dyn. Sys. Control. April 2021, 1(2): 021009.

Paper No: ALDSC-20-1019

https://doi.org/10.1115/1.4047817

Published Online: August 5, 2020

View Article titled, Data-Driven Detection and Classification of Regimes in Chaotic Systems Via Hidden Markov Modeling

Topics: Attractors, Chaos, Dynamic systems, Modeling, Signals, Time series, Testing

Journal Articles

Online Discovery and Classification of Operational Regimes From an Ensemble of Time Series Data

Chandrachur Bhattacharya, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. November 2020, 142(11): 114501.

Paper No: DS-19-1360

https://doi.org/10.1115/1.4047449

Published Online: July 10, 2020

View Article titled, Online Discovery and Classification of Operational Regimes From an Ensemble of Time Series Data

Topics: Algorithms, Time series, Dynamics (Mechanics), Transients (Dynamics), Machinery

Journal Articles

Symbolic Time Series Analysis for Anomaly Detection in Measure-Invariant Ergodic Systems

Najah F. Ghalyan, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. June 2020, 142(6): 061003.

Paper No: DS-19-1335

https://doi.org/10.1115/1.4046156

Published Online: March 3, 2020

View Article titled, Symbolic Time Series Analysis for Anomaly Detection in Measure-Invariant Ergodic Systems

Topics: Eigenvalues, Probability, Time series, Fatigue damage, Algorithms, Machinery

Journal Articles

Hidden Markov Modeling-Based Decision-Making Using Short-Length Sensor Time Series

Najah F. Ghalyan, Sudeepta Mondal, David J. Miller, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. October 2019, 141(10): 104502.

Paper No: DS-18-1459

https://doi.org/10.1115/1.4043428

Published Online: May 8, 2019

View Article titled, Hidden Markov Modeling-Based Decision-Making Using Short-Length Sensor Time Series

Topics: Algorithms, Modeling, Sensors, Time series, String, Decision making, Probability

Journal Articles

Dynamic Data-Driven Combustor Design for Mitigation of Thermoacoustic Instabilities

Pritthi Chattopadhyay, Sudeepta Mondal, Asok Ray, Achintya Mukhopadhyay

Publisher: ASME

J. Dyn. Sys., Meas., Control. January 2019, 141(1): 014501.

Paper No: DS-18-1068

https://doi.org/10.1115/1.4040210

Published Online: September 7, 2018

View Article titled, Dynamic Data-Driven Combustor Design for Mitigation of Thermoacoustic Instabilities

Topics: Algorithms, Combustion chambers, Design, Machinery, Time series, Entropy, Design methodology, Combustion, Stability, Pressure

Journal Articles

Neural Probabilistic Forecasting of Symbolic Sequences With Long Short-Term Memory

Michael Hauser, Yiwei Fu, Shashi Phoha, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. August 2018, 140(8): 084502.

Paper No: DS-17-1199

https://doi.org/10.1115/1.4039281

Published Online: March 30, 2018

View Article titled, Neural Probabilistic Forecasting of Symbolic Sequences With Long Short-Term Memory

Topics: Algorithms, Architecture, Artificial neural networks, Time series, Statistical distributions, Combustion chambers

Journal Articles

Analysis of Filtered Thermal-Fluid Video Data From Downward Facing Boiling Experiments

Chi-Shih Jao, Faith R. Beck, Nurali Virani, Fan-Bill Cheung, Asok Ray

Publisher: ASME

J. Dyn. Sys., Meas., Control. July 2018, 140(7): 074502.

Paper No: DS-17-1506

https://doi.org/10.1115/1.4039470

Published Online: March 27, 2018

View Article titled, Analysis of Filtered Thermal-Fluid Video Data From Downward Facing Boiling Experiments

Topics: Signals, Wavelets, Vapors, Boiling, Vessels, Thermofluids

Journal citation

NARROW

State Identification Via Symbolic Time Series Analysis for Reinforcement Learning Control

Data Fusion and Pattern Classification in Dynamical Systems Via Symbolic Time Series Analysis

Artificial Neural Network for Automatic Prediction of the Surface Finishing via Classification of the Surface Texture

Topology Optimization and Experimental Validation of an Additively Manufactured U-Bend Channel

Robust Damage-Mitigating Control of Mechanical Structures: Experimental Verification on a Test Apparatus

Fatigue Crack Propagation Under Variable-Amplitude Load: Part I — A Deterministic State-Space Model

Fatigue Crack Propagation Under Variable-Amplitude Load: Part II — A Stochastic Model

Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

On State-Space Modeling and Signal Localization in Dynamical Systems

Transfer Learning for Detection of Combustion Instability Via Symbolic Time-Series Analysis

Early Detection of Fatigue Crack Damage in Ductile Materials: A Projection-Based Probabilistic Finite State Automata Approach

Forecasting and Detection of Fatigue Cracks in Polycrystalline Alloys With Ultrasonic Testing Via Discrete Wavelet Transform

Shape Optimization of Pin Fin Arrays Using Gaussian Process Surrogate Models Under Design Constraints

Data-Driven Detection and Classification of Regimes in Chaotic Systems Via Hidden Markov Modeling

Online Discovery and Classification of Operational Regimes From an Ensemble of Time Series Data

Symbolic Time Series Analysis for Anomaly Detection in Measure-Invariant Ergodic Systems

Hidden Markov Modeling-Based Decision-Making Using Short-Length Sensor Time Series

Dynamic Data-Driven Combustor Design for Mitigation of Thermoacoustic Instabilities

Neural Probabilistic Forecasting of Symbolic Sequences With Long Short-Term Memory

Analysis of Filtered Thermal-Fluid Video Data From Downward Facing Boiling Experiments

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