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A. G. Stefanopoulou
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Proceedings Papers

Control-Oriented Model for Camless Intake Process: Part I

M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, M. B. Levin
Proc. ASME. IMECE99, Dynamic Systems and Control, 179-186, November 14–19, 1999
Paper No: IMECE1999-0024
DOI: https://doi.org/10.1115/IMECE1999-0024
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Topics: Actuators, Calibration, Closed loop systems, Combustion, Control equipment, Engines, Flow (Dynamics), Internal combustion engines, Optimization, Testing
Proceedings Papers

Control of Camless Intake Process: Part II

M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, M. B. Levin
Proc. ASME. IMECE99, Dynamic Systems and Control, 187-194, November 14–19, 1999
Paper No: IMECE1999-0025
DOI: https://doi.org/10.1115/IMECE1999-0025
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Topics: Air flow, Algorithms, Control equipment, Cycles, Cylinders, Engines, Feedback, Feedforward control, Intake manifolds, Pressure
Journal Articles

Prediction of Flame Burning Velocity at Early Flame Development Time With High Exhaust Gas Recirculation and Spark Advance

H. Lian, J. B. Martz, B. P. Maldonado, A. G. Stefanopoulou, K. Zaseck, J. Wilkie, O. Nitulescu, M. Ehara
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2017, 139(8): 082801.
Paper No: GTP-16-1530
DOI: https://doi.org/10.1115/1.4035849
Published Online: March 21, 2017
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Topics: Combustion, Flames, Exhaust gas recirculation
Proceedings Papers

Prediction of Flame Burning Velocity at Early Flame Development Time With High Exhaust Gas Recirculation (EGR) and Spark Advance

H. Lian, J. B. Martz, B. P. Maldonado, A. G. Stefanopoulou, K. Zaseck, J. Wilkie, O. Nitulescu, M. Ehara
Proc. ASME. ICEF2016, ASME 2016 Internal Combustion Engine Division Fall Technical Conference, V001T03A023, October 9–12, 2016
Paper No: ICEF2016-9476
DOI: https://doi.org/10.1115/ICEF2016-9476
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Topics: Combustion, Exhaust gas recirculation, Flames, Cycles, Engines, Torque, Uncertainty, Actuators, Brakes, Fibers
Proceedings Papers

Order Reduction for a Control-Oriented Model of the Water Dynamics in Fuel Cells

B. A. McCain, A. G. Stefanopoulou
Proc. ASME. FUELCELL2006, ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B, 151-159, June 19–21, 2006
Paper No: FUELCELL2006-97075
DOI: https://doi.org/10.1115/FUELCELL2006-97075
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Topics: Dynamics (Mechanics), Fuel cells, Water, Algorithms, Anodes, Computation, Control equipment, Floods, Flow (Dynamics), Low temperature
Proceedings Papers

Modeling, Parameter Identification, and Validation of Reactant and Water Dynamics for a Fuel Cell Stack

D. A. McKay, W. T. Ott, A. G. Stefanopoulou
Proc. ASME. IMECE2005, Dynamic Systems and Control, Parts A and B, 1177-1186, November 5–11, 2005
Paper No: IMECE2005-81484
DOI: https://doi.org/10.1115/IMECE2005-81484
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Topics: Dynamics (Mechanics), Fuel cells, Modeling, Water, Membranes, Diffusion (Physics), Dynamic models, Electrodes, Floods, Gas diffusion layers
Proceedings Papers

A Study Toward Minimum Spatial Discretization of a Fuel Cell Dynamics Model

B. A. McCain, A. G. Stefanopoulou, K. R. Butts
Proc. ASME. IMECE2006, Dynamic Systems and Control, Parts A and B, 1099-1107, November 5–10, 2006
Paper No: IMECE2006-14509
DOI: https://doi.org/10.1115/IMECE2006-14509
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Topics: Dynamics (Mechanics), Fuel cells, Flow (Dynamics), Modeling, Water, Water vapor
Journal Articles

A Mean-Value Model for Control of Homogeneous Charge Compression Ignition (HCCI) Engines

D. J. Rausen, A. G. Stefanopoulou, J.-M. Kang, J. A. Eng, T.-W. Kuo
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. September 2005, 127(3): 355–362.
DOI: https://doi.org/10.1115/1.1985439
Published Online: August 23, 2004
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Topics: Combustion, Cylinders, Engines, Exhaust systems, Flow (Dynamics), Homogeneous charge compression ignition engines, Pressure, Temperature, Valves, Fuels
Journal Articles

Joint Air-Fuel Ratio and Torque Regulation Using Secondary Cylinder Air Flow Actuators

A. G. Stefanopoulou, J. A. Cook, J. W. Grizzle, J. S. Freudenberg
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. December 1999, 121(4): 638–647.
DOI: https://doi.org/10.1115/1.2802528
Published Online: December 1, 1999
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Topics: Actuators, Air flow, Cylinders, Fuels, Torque, Engines, Feedback, Transients (Dynamics), Design, Feedforward control
Journal Articles

Control of Camless Intake Process—Part II

M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, M. B. Levin
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. March 2000, 122(1): 131–139.
DOI: https://doi.org/10.1115/1.482448
Published Online: July 14, 1998
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Topics: Control equipment, Cylinders, Engines, Feedforward control, Algorithms, Valves
Journal Articles

Control-Oriented Model for Camless Intake Process—Part I

M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, M. B. Levin
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. March 2000, 122(1): 122–130.
DOI: https://doi.org/10.1115/1.482447
Published Online: July 14, 1998
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Topics: Actuators, Control equipment, Cylinders, Dynamics (Mechanics), Engines, Valves, Flow (Dynamics), Pressure
Journal Articles

Control-Oriented Model of a Dual Equal Variable Cam Timing Spark Ignition Engine

A. G. Stefanopoulou, J. A. Cook, J. W. Grizzle, J. S. Freudenberg
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. June 1998, 120(2): 257–266.
DOI: https://doi.org/10.1115/1.2802417
Published Online: June 1, 1998
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Topics: Actuators, Air flow, Control equipment, Cylinders, Design, Dynamics (Mechanics), Dynamometers, Emissions, Engines, Sensors