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Journal Articles

Clinical Evaluation of an Automatic Oxygen Control System for Premature Infants Receiving High-Flow Nasal Cannula for Respiratory Support: A Pilot Study

Xuefeng Hou, Akram Faqeeh, Ramak Amjad, John Pardalos, Roger Fales
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2022, 16(3): 031005.
Paper No: MED-20-1201
https://doi.org/10.1115/1.4054250
Published Online: May 10, 2022
View Article titled, Clinical Evaluation of an Automatic Oxygen Control System for Premature Infants Receiving High-Flow Nasal Cannula for Respiratory Support: A Pilot Study
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Topics: Automatic control, Control systems, Flow (Dynamics), Oxygen, Health care
Journal Articles

Engineering Evaluation of the Performance of an Automatic Peripheral Oxygen Controller Using a Neonatal Respiratory Model

Akram Faqeeh, Roger Fales, John Pardalos, Ramak Amjad, Isabella Zaniletti, Xuefeng Hou
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2018, 12(3): 031005.
Paper No: MED-17-1382
https://doi.org/10.1115/1.4040188
Published Online: July 13, 2018
View Article titled, Engineering Evaluation of the Performance of an Automatic Peripheral Oxygen Controller Using a Neonatal Respiratory Model
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Topics: Control algorithms, Control equipment, Oxygen, Algorithms
Proceedings Papers

Modeling and Stability of a Hydraulic Load-Sensing Pump With Investigation of a Hard Nonlinearity in the Pump Displacement Control System

Zachary D. Wagner, Roger Fales
Proc. ASME. FPMC2014, ASME/BATH 2014 Symposium on Fluid Power and Motion Control, V001T01A001, September 10–12, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2014-7802
https://doi.org/10.1115/FPMC2014-7802
View Paper titled, Modeling and Stability of a Hydraulic Load-Sensing Pump With Investigation of a Hard Nonlinearity in the Pump Displacement Control System
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Topics: Control systems, Displacement, Modeling, Pumps, Stability, Stress, Pressure, Actuators, Flow control valves, Flow (Dynamics)
Proceedings Papers

Stability of a Proportional Valve Control System With Backlash and Saturation

Nader Moustafa, Roger Fales
Proc. ASME. FPMC2013, ASME/BATH 2013 Symposium on Fluid Power and Motion Control, V001T01A059, October 6–9, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2013-4502
https://doi.org/10.1115/FPMC2013-4502
View Paper titled, Stability of a Proportional Valve Control System With Backlash and Saturation
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Topics: Control systems, Proportional valves, Stability, Valves, Limit cycles, Dynamic systems, Oscillations, Engineers, Fluid power systems, Hydraulic cylinders
Proceedings Papers

Mixed Sensitivity H-Infinity Control Design With Frequency Domain Uncertainty Modeling for a Pilot Operated Proportional Control Valve

Richard Carpenter, Roger Fales
Proc. ASME. DSCC2012-MOVIC2012, Volume 1: Adaptive Control; Advanced Vehicle Propulsion Systems; Aerospace Systems; Autonomous Systems; Battery Modeling; Biochemical Systems; Control Over Networks; Control Systems Design; Cooperative and Decentralized Control; Dynamic System Modeling; Dynamical Modeling and Diagnostics in Biomedical Systems; Dynamics and Control in Medicine and Biology; Estimation and Fault Detection; Estimation and Fault Detection for Vehicle Applications; Fluid Power Systems; Human Assistive Systems and Wearable Robots; Human-in-the-Loop Systems; Intelligent Transportation Systems; Learning Control, 733-741, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8845
https://doi.org/10.1115/DSCC2012-MOVIC2012-8845
View Paper titled, Mixed Sensitivity H-Infinity Control Design With Frequency Domain Uncertainty Modeling for a Pilot Operated Proportional Control Valve
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Topics: Design, Modeling, Proportional valves, Uncertainty, Control systems, Probability, Valves, Closed loop systems, Control equipment, Engineering simulation
Proceedings Papers

Modeling and Feedback Control of Inspired Oxygen for Premature Infants

Timothy Keim, Ramak Amjad, Roger Fales
Proc. ASME. DSCC2011, ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 1, 501-508, October 31–November 2, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2011-6107
https://doi.org/10.1115/DSCC2011-6107
View Paper titled, Modeling and Feedback Control of Inspired Oxygen for Premature Infants
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Topics: Feedback, Modeling, Oxygen, Blood, Control systems, Errors, Automatic control, Control equipment, Kalman filters, Lung
Proceedings Papers

Model of Neonatal Infant Blood Oxygen Saturation

Bradley Krone, Roger Fales, Ramak Amjad
Proc. ASME. DSCC2011, ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 1, 509-516, October 31–November 2, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2011-6182
https://doi.org/10.1115/DSCC2011-6182
View Paper titled, Model of Neonatal Infant Blood Oxygen Saturation
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Topics: Blood, Oxygen, Transfer functions, Artificial neural networks, Experimental design, Fuzzy logic, Modeling
Proceedings Papers

Modeling and Control of the Oxygen Saturation in Neonatal Infants

Timothy Keim, Ramak Amjad, Roger Fales
Proc. ASME. DSCC2009, ASME 2009 Dynamic Systems and Control Conference, Volume 2, 105-112, October 12–14, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2009-2682
https://doi.org/10.1115/DSCC2009-2682
View Paper titled, Modeling and Control of the Oxygen Saturation in Neonatal Infants
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Topics: Control modeling, Oxygen, Control equipment, Errors, Optimization, Respiratory system, Stability, Steady state
Proceedings Papers

State Estimator Based Feedback Control for a Metering Poppet Valve System

Chang Li, Roger Fales
Proc. ASME. DSCC2009, ASME 2009 Dynamic Systems and Control Conference, Volume 2, 683-690, October 12–14, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2009-2683
https://doi.org/10.1115/DSCC2009-2683
View Paper titled, State Estimator Based Feedback Control for a Metering Poppet Valve System
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Topics: Feedback, Valves, Control equipment, Design, Hydraulic flow, Kalman filters, Robustness, Signals, Simulation results
Proceedings Papers

Milling Bifurcations: A Numerical Study

Anupam Radhakrishnan, Roger Fales, Brian Mann
Proc. ASME. IDETC-CIE2009, Volume 4: 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B and C, 645-652, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-86852
https://doi.org/10.1115/DETC2009-86852
View Paper titled, Milling Bifurcations: A Numerical Study
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Topics: Bifurcation, Milling, Cutting, Simulation, Simulation results, Stability, Algorithms, Attractors, Computer programming, Cutting tools
Proceedings Papers

Developing and Automating Time Delay System Stability Analysis of Machinery Systems Using the Matrix Lambert W Function Method

Kristel M. Pietarila, Roger Fales
Proc. ASME. DSCC2008, ASME 2008 Dynamic Systems and Control Conference, Parts A and B, 1059-1066, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2008-2246
https://doi.org/10.1115/DSCC2008-2246
View Paper titled, Developing and Automating Time Delay System Stability Analysis of Machinery Systems Using the Matrix Lambert W Function Method
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Topics: Machinery, Stability, Time delay systems, Delays, Delay differential equations, Dynamic models
Proceedings Papers

Application of Extended Kalman Filter in a Forced-Feedback Metering Poppet Valve System

Chang Li, Roger Fales
Proc. ASME. DSCC2008, ASME 2008 Dynamic Systems and Control Conference, Parts A and B, 1067-1073, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2008-2247
https://doi.org/10.1115/DSCC2008-2247
View Paper titled, Application of Extended Kalman Filter in a Forced-Feedback Metering Poppet Valve System
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Topics: Feedback, Kalman filters, Valves, Noise (Sound), Pressure, Filters, Actuators, Dynamic systems, Pistons, Robustness
Proceedings Papers

Design Optimization and Efficiency Modeling of a Hot Gas Vane Motor

Gregory E. Bommarito, Roger Fales
Proc. ASME. IMECE2007, Volume 4: Design, Analysis, Control and Diagnosis of Fluid Power Systems, 59-68, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43405
https://doi.org/10.1115/IMECE2007-43405
View Paper titled, Design Optimization and Efficiency Modeling of a Hot Gas Vane Motor
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Topics: Design, Modeling, Motors, Optimization, Geometry, Actuators, Air engines, Batteries, Dynamics (Mechanics), Energy generation
Proceedings Papers

Solenoid Damping of the Pilot Poppet in a Forced-Feedback Metering Poppet Valve

C. Harvey O. Cline, Roger Fales
Proc. ASME. IMECE2007, Volume 9: Mechanical Systems and Control, Parts A, B, and C, 409-414, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43937
https://doi.org/10.1115/IMECE2007-43937
View Paper titled, Solenoid Damping of the Pilot Poppet in a Forced-Feedback Metering Poppet Valve
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Topics: Damping, Feedback, Solenoids, Valves, Engineering simulation, Simulation, Actuators, Dynamic response, Flow (Dynamics), Fluids
Proceedings Papers

Stability and Performance Analysis of a Metering Poppet Valve

Roger Fales
Proc. ASME. IMECE2005, Fluid Power Systems and Technology, 51-56, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80609
https://doi.org/10.1115/IMECE2005-80609
View Paper titled, Stability and Performance Analysis of a Metering Poppet Valve
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Topics: Stability, Valves, Design, Control systems, Flow (Dynamics), Frequency response, Hardware, Leakage, Pressure, Uncertainty
Proceedings Papers

Robust Control of a Hydraulic Metering Valve and Pump System Model

Brian Bax, Patrick Dean, Roger Fales
Proc. ASME. IMECE2006, Fluid Power Systems and Technology, 131-140, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-15160
https://doi.org/10.1115/IMECE2006-15160
View Paper titled, Robust Control of a Hydraulic Metering Valve and Pump System Model
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Topics: Pumps, Robust control, Valves, Robustness, Design, Displacement, Bridges (Structures), Dynamics (Mechanics), Engineering design processes, Engineering simulation
Journal Articles

Modeling and Control of a Wheel Loader With a Human-in-the-Loop Assessment Using Virtual Reality

Roger Fales, Erik Spencer, Kurt Chipperfield, Frank Wagner, Atul Kelkar
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. September 2005, 127(3): 415–423.
https://doi.org/10.1115/1.1985437
Published Online: September 7, 2004
View Article titled, Modeling and Control of a Wheel Loader With a Human-in-the-Loop Assessment Using Virtual Reality
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Topics: Control equipment, Control systems, Cylinders, Design, Hydraulic drive systems, Hydraulics, Linkages, Pumps, Simulation, Valves