Publications

Representative Publications

Roll-to-Roll (R2R) Dry Transfer for Flexible Electronics and Advanced 2D Materials

Q. Zhao, C. Martin, N. Hong, D. Chen, and W. Li, "A Real-Time Supervisory Control Strategy for Roll-to-Roll Dry Transfer of 2D Materials and Printed Electronics," IEEE/ASME Transactions on Mechatronics, 2023.

N. Hong, Q. Zhao, D. Chen, K. M. Liechti, and W. Li, "A method to estimate adhesion energy of as-grown graphene in a roll-to-roll dry transfer process," Carbon, vol. 201, pp. 712-718, 2023.

Q. Zhao, C. Martin, D. Chen, and W. Li, "MODEL BASED REPETITIVE CONTROL FOR PEELING FRONT GEOMETRY CONTROL IN A ROLL-TO-ROLL PEELING PROCESS," In Proceedings of the 2022 International Symposium on Flexible Automation, Jul 2022

Q. Zhao, N. Hong, D. Chen, and W. Li, "A Dynamic System Model for Roll-to-Roll Dry Transfer of Two-Dimensional Materials and Printed Electronics." , Journal of Dynamic Systems, Measurement, and Control, Vol. 144, Iss. 7, pp. 071004 (8 pages), Jul 2022, doi: 10.1115/1.4054187

Q. Zhao, D. Chen, and W. Li, “Controlling Peeling Front Geometry in a Roll-to-Roll Thin Film Transfer Process,” Proceedings of 2020 MSEC Manufacturing Science & Engineering Conference, Cincinnati, OH, June 22-26, 2020

N. Hong, D. Kireev, Q. Zhao, D. Chen, D. Akinwande, and W. Li, "Roll-to-Roll Dry Transfer of Large-Scale Graphene," Advanced Materials, Vol. 34, Iss. 3, pp. 2106615, Nov 9, 2021, doi: 10.1002/adma.202106615

Autonomous Mobile Robots/Ground Vehicles

S. Bakshi, T. Feng, Z. Yan, Z. Ma, and D. Chen, “Energy-Conscientious Trajectory Planning for an Autonomous Mobile Robots in an Asymmetric Task Space,” Journal of Intelligent & Robotic Systems

S. Bakshi, Z. Yan and D. Chen, “Fast Scheduling of Autonomous Mobile Robots under Task Space Constraints with Priorities,” accepted with revision, ASME Journal of Dynamic Systems, Measurement and Control, doi:10.1115/1.4043116.

S. Bakshi, Z. Yan, D. Chen, Q. Qian, and Y. Chen, 2018, “A Fast Algorithm on Minimum-Time Path Planning of an Autonomous Ground Vehicle,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 140, Iss. 12, pp.121011 (2018/12/1) (8 pages), doi: 10.1115/1.4040665.

Fuel Cell and Rechargeable Battery Systems

R. Borduin, A. Headley, W. Li, and D. Chen, 2017, “A Review on Humidification Membrane Materials for Fuel Cells,” Advanced Materials Letters, Vol. 9, Iss. 4, pp. 225-233.

A. Headley, D. Chen, and W. Li, 2017, “Non-Uniform Control Volume Sizing Methodology for Relative Humidity Control of PEM Fuel Cells,” International Journal of Hydrogen, Vol. 42, Iss. 36, pp.23170-23179.

A. Headley, M. Gross, and D. Chen, 2017, “Membrane Electrolyte Assembly Health Estimation Method for Proton Exchange Membrane Fuel Cells,” ASME Journal of Electrochemical Energy Conversion and Storage, Vol. 14, Iss. 4, pp. 041008 (8 pages), doi: 10.1115/1.4037772.

A. Headley, V. Yu, R. Borduin, D. Chen, and W. Li, 2016, “Development and Experimental Validation of a Physics-based PEM Fuel Cell Model for Cathode Humidity Control Design,” IEEE Transactions on Mechatronics, Vol. 21, Iss. 3, pp.1775-1782, DOI: 10.1109/TMECH.2015.2505712.

A. Headley and D. Chen, 2015, “Critical control volume sizing for improved transient thermal modeling of PEM fuel cells,” International Journal of Hydrogen Energy, Vol. 40, Iss.24, pp.7762-7768.

V. Yu, and D. Chen, 2014, “Peak Power Prediction of a Vanadium Redox Flow Battery,” Journal of Power Sources, Vol. 268, pp.261-268.

V. Yu, A. Headley, and D. Chen, 2014, “A Constrained Extended Kalman Filter for State-of-charge Estimation of a Vanadium Redox Flow Battery with Crossover Effects,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 136(4), 041013 (7pages), doi: 10.1115/1.4026654.

V. Yu and D. Chen, 2014, “Dynamic Model of a Vanadium Redox Flow Battery for System Performance Control,” ASME Journal of Solar Energy Engineering, Vol. 136, No. 2, pp. 021005-021012, doi: 10.1115/1.4024928.

D. Chen, W. Li and H. Peng, 2008, “An Experimental Study and Model Validation of a Membrane Humidifier for PEM Fuel Cell Humidification Control,” Journal of Power Sources, Vol. 180, No. 1, pp. 461-467.

D. Chen and H. Peng, 2008, “Nonminimum-Phase Phenomenon of PEM Fuel Cell Membrane Humidifiers,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 130, No. 4, pp. 044501-1-9, doi:10.1115/1.2936381.

D. Chen and H. Peng, 2005, “A Thermodynamic Model of Membrane Humidifiers for PEM Fuel Cell Humidification Control,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 127, No. 3, pp. 424-432, doi:10.1115/1.1978910.

Oil/Gas Drilling Automation

Y. Zhang,, P. Ashok, D. Chen, E van Oort, "Coupled drillstring dynamics modeling using 3D field-consistent corotational beam elements" Geoenergy Science and Engineering, vol. 233, p. 212424, 2024.

J. Xu, A. M. Keller, N. Demirer, H. Zhang, K. Tian, K. Bhaidasna, R. Darbe, and D. Chen, "Experimentally Validated Nonlinear Delayed Differential Approach to Model Borehole Propagation for Directional Drilling," ALDSC-23-1030, 2023.

A. M. Keller, T. Feng, N. Demirer, R. Darbe, and D. Chen, "Rate of penetration estimation downhole with machine learning for drilling position control," Geoenergy Science and Engineering, vol. 224, p. 211593, 2023.

M. S. Khaled, N. Wang, P. Ashok, D. Chen, and E. van Oort, "Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and High-Pressure/High-Temperature Oil and Gas Wells," SPE Drilling & Completion, vol. 38, no. 02, pp. 243-260, 2023.

Y. Zhang, H. Zhang, D. Chen, P. Ashok, and E. van Oort, "Comprehensive review of high frequency torsional oscillations (HFTOs) while drilling," Journal of Petroleum Science and Engineering , p.111161, Nov 4, 2022, doi: 10.1016/j.petrol.2022.111161

AM. Keller, V. Pho, N. Demirer, R. Darbe, and D. Chen, "Estimation for Predictive Control and Human-in-the-Loop Operation of Rotary Steerable Systems," Journal of Dynamic Systems, Measurement, and Control,, Vol. 144, Iss. 9, pp. 091005 (10 pages), doi: 10.1115/1.4054885

Q. Gu, AH. Fallah, A. Ambrus, T. Feng, D. Chen, P. Ashok, and E. van Oort, "Computationally efficient simulation of non-isothermal two-phase flow during well construction using a new reduced drift-flux model," Applied Thermal Engineering, Vol. 206, pp. 118077, Apr 2022, doi: 10.1016/j.applthermaleng.2022.118077

Q. Gu, A. Fallah, T. Feng, S. Bakshi, D. Chen, P. Ashok, D. Moore, and E. van Oort, 2021, “A Novel Dilution Control Strategy for Gas Kick Handling and Riser Gas Unloading Mitigation in Deepwater Drilling,” Journal of Petroleum Science and Engineering, p. 107973 (January 2021), DOI: https://doi.org/10.1016/j.petrol.2020.107973

A. Fallah, Q. Gu, Z. Ma, A. Karimi Vajargah, D. Chen, P. Ashok, E. van Oort, and R. May, “Temperature Dynamics and Its Effects on Gas Influx Handling During Managed Pressure Drilling Operations,” accepted, Journal of Natural Gas Science and Engineering

Q. Gu, A.H. Fallah, A. Ambrus, Z. Ma, D. Chen, P. Ashok and E. van Oort, 2020, “A Switching MPD Controller for Mitigating Riser Gas Unloading Events in Offshore Drilling,” SPE Drilling and Completion , Vol. 35, Iss. 2, pp. 201–217. doi:10.2118/194163-PA

T. Feng, I. Kim, and D. Chen, 2017, “Dynamic Modeling of Directional Drillstring: A Linearized Model Considering Well Profile,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 140, Iss. 6, pp. 061005 (10 pages), 2018/06/01, doi: 10.1115/1.4038388.

T. Feng, M. Vadali, Z. Ma, D. Chen, and J. Dykstra, 2017, “A Finite Element Method with Full Bit-Force Modeling to Analyze Drillstring Vibration,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 139, Iss. 9, pp.091016 (10 pages), doi: 10.1115/1.4036083.

Wind Turbine Systems

M. L. Shaltout, Z. Ma, and D. Chen, 2017, “An Adaptive Economic Model Predictive Control Approach for Wind Turbines,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 140, Iss. 5, pp. 051007 (10 pages), doi: 10.1115/1.4038490.

Z. Ma, M. L. Shaltout, Z. Yan, and D. Chen, 2017, “Optimal Power Dispatch and Control of a Wind Turbine and Battery Hybrid System,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 139, Iss. 9, pp.091008 (11 pages), DOI: 10.1109/ACC.2015.7171801.

D. Palejiya and D. Chen, 2016, “Performance Improvements of Switching Control for Wind Turbines”, IEEE Transactions on Sustainable Energy, Vol.7, Iss. 2, pp.526-534.

M. L. Shaltout, Z. Yan, D. Palejiya, and D. Chen, 2015, “Tradeoff Analysis of Energy Harvesting and Noise Emission for Wind Turbines,” Sustainable Energy Technologies and Assessments, Vol. 10, pp. 12-21.

Z. Ma, M. L. Shaltout, and D. Chen, 2015, “An Adaptive Wind Turbine Controller Considering Both the System Performance and Fatigue Loading,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 137, Iss. 11, pp.111007 (10 pages), doi: 10.1115/1.4031045.

Z. Yan, V. Yu, M. L. Shaltout, M. Chu Cheong, and D. Chen, 2015, “Maximizing Wind Energy Capture for Speed-Constrained Wind Turbines during Partial Load Operation,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 138, Iss. 9, pp. 091014-091021, doi: 10.1115/1.4033906.

J.F. Hall, D. Palejiya, M. Shaltout and D. Chen, 2015 “An Integrated Control and Design Framework for Optimizing Energy Capture and Component Life for a Wind Turbine Variable Ratio Gearbox,” ASME Journal of Solar Energy Engineering. Vol. 137, Iss. 2, pp.021022-1-8, doi: 10.1115/1.4029812.

Z. Ma, Z. Yan, M. L. Shaltout, and D. Chen, “Optimal Real-time Control of Wind Turbine during Partial Load Operation,” IEEE Transactions on Control Systems Technology, Vol. 23, Iss. 6, pp 2216-2226, DOI: 10.1109/TCST.2015.2410735.

M. L. Shaltout, A. A. Malikopoulos, S. Pannala, and D. Chen, 2014, “A Consumer-Oriented Control Framework for Performance Analysis in Hybrid Electric Vehicles,” IEEE Transactions on Control Systems Technology, Vol. PP, Iss. 99, DOI: 10.1109/TCST.2014.2376472.

D. Palejiya, M. L. Shaltout, Z. Yan, and D. Chen, 2014, “L_2 Stability of Wind Turbine Switching Control,” International Journal of Control, Vol. 88, Iss. 1, pp.193-203.

M. L. Shaltout, J.F. Hall, and D. Chen, 2014, “Optimal Control of a Wind Turbine with A Variable Ratio Gearbox for Maximum Energy Capture and Prolonged Gear Life,” ASMEJournal of Solar Energy Engineering, Vol. 136(3), pp. 031007-1-031007-7, doi: 10.1115/1.4026676.

D. Palejiya, J.F. Hall, C. A. Mecklenborg, and D. Chen, 2013, “Stability of Wind Turbine Switching Control in an Integrated Wind Turbine and Rechargeable Battery System: A Common Quadratic Lyapunov Function Approach,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 135, 021018-1-9, doi: 10.1115/1.4023059.

J.F. Hall and D. Chen, 2013, “Dynamic Optimization of Drivetrain Gear Ratio to Maximize Wind Turbine Power Generation, Part 1: System Model and Control Framework,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 135, 011016-1-10, doi: 10.1115/1.4006882.

J.F. Hall and D. Chen, 2013, “Dynamic Optimization of Drivetrain Gear Ratio to Maximize Wind Turbine Power Generation, Part 2: Control Design,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 135, 011017-1-10, doi: 10.1115/1.4006886.

J.F. Hall and D. Chen, 2012, “Performance of a 100 kW Wind Turbine with a Variable Ratio Gearbox,” Renewable Energy, Vol. 44, pp. 261- 266.

J.F. Hall, C.A. Mecklenborg, C. Hearn, and D. Chen, 2011, “The Effects of Membrane Properties and Structural Parameters on the Non-Minimum Phase Behavior of the PEM Fuel Cell Humidification System,” ASME Journal of Fuel Cell Science and Technology, Vol. 9, pp. 011005-1-7, doi:10.1115/1.4003752.

J.F. Hall, C.A. Mecklenborg, D. Chen, and S.B. Pratap, 2011, “Wind Energy Conversion with a Variable-Ratio Gearbox: Design and Analysis,” Renewable Energy, Vol. 36, No. 3, pp.1075-1080.

System Identification/Learning Based on Physiological Signals

D. Chen, Z. Ma, B. C. Li, Z. Yan, and W. Li, 2017, “Drowsiness Detection With Electrooculography Signal Using a System Dynamics Approach,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 139, Iss. 8, pp. 081003 (7 pages), doi: 10.1115/1.4035611.

Microgrids/Smart Grids

M. K. Chu Cheong, Z. Ma, H. Qian, J. Conger, D. Chen, and P. Du. “Wind Turbine Participation in Primary Frequency Control,” accepted with revision, ASME Journal of Dynamic Systems, Measurement and Control.

C. Hill, C. Such, D. Chen, M. Grady, and J. Gonzalez, 2012, “Battery Energy Storage for Enabling Integration of Distributed Solar Power Generation,” IEEE Transactions on Smart Grid, Vol. 3, No. 2, pp. 461-467.

Intelligent Sensors

X. Hao, Q. Zhao, D. Chen, and W. Li, 2018, “Roll-to-Roll Mechanical Peeling for Dry Transfer of Chemical Vapor Deposition Graphene,” ASME Journal of Micro- and Nano-Manufacturing, Vol. 6, Iss.3, 031004 (Jun 22, 2018) (7 pages), doi: 10.1115/1.4040449.

C.S. Hearn, S.B. Pratap, D. Chen and R.G. Longoria, 2014, “Dynamic Performance of Lumped Parameter Model for Superconducting Levitation,” IEEE Transactions on Applied Superconductivity, Vol. 26, Iss. 6, pp.1-8, DOI: 10.1109/TASC.2016.2581698.

C.S. Hearn, S.B. Pratap, D. Chen, and R.G. Longoria, 2014, “Lumped Parameter Model to Describe Dynamic Translational Interaction for High Temperature Superconducting Bearings,” IEEE Transactions on Applied Superconductivity, Vol. 24, No. 2, Article No. 3600808, DOI: 10.1109/TASC.2014.2298112.

C.S. Hearn, S.B. Pratap, D. Chen, and R.G. Longoria, 2014, “Reduced Order Dynamic Model of Permanent Magnet and HTSC Interaction in an Axisymmetric Frame,” IEEE Transactions on Mechatronics, Vol. 19, No. 4, pp.1226-1233, DOI: 10.1109/TMECH.2013.2277922.

C.S. Hearn, M.C. Lewis, S.B. Pratap, R.E. Hebner, F.M. Uriarte, D. Chen, and R.G. Longoria, 2013, “Utilization of Optimal Control Law to Size Grid Level Flywheel Energy Storage,” IEEE Transactions on Sustainable Energy, Vol. 4, No. 3, pp. 611-617, DOI: 10.1109/TSTE.2013.2238564.

Manuscripts in Review

N. Roy, G. Zheng, H. Xin, W. Li and D. Chen, “MIMO Control of a R2R System for Flexible Electronics Fabrication,” ASME Journal of Dynamic Systems, Measurement and Control

T. Feng, S. Bakshi, Q. Gu, and D. Chen, “A Finite Element Modeling Framework for Curved Beam Dynamics Considering Nonlinearities and Contacts,” ASME Journal of Computational and Nonlinear Dynamics

Refereed Conference Proceedings

K. E. Plewe, J. N. Sment, K.Albrecht, C. k. Ho, D. Chen, "Transient system analysis of a Gen3 particle-based CSP plant with spatially resolved thermal storage charging and discharging, IP Conf. Proc. 2815, 160009, 2023.

J. Chu, P. Ashok, D. Chen, and E. van Oort, "Automatic Drill Bit Dull Grading Report Generation to Address the Revised IADC Dull Grading Schema," in SPE/IADC Drilling Conference and Exhibition, p. D021S018R003, SPE, 2023.

Y. Zhang, P. Ashok, D. Chen, and E. van Oort, "A Control-Oriented Lumped Parameter Drillstring Dynamic Model for Real-Time Vibration Mitigation and Drilling Optimization," in SPE/IADC International Drilling Conference and Exhibition, OnePetro, 2023.

M. K. Cheong, K. E. Plewe, D. Chen, and P. Du, "Virtual Power Injection for Optimal Adjustment of Droop-Controlled Inverters," in 2023 11th International Conference on Smart Grid (icSmartGrid), pp. 1-9, IEEE, 2023.

MS. Khaled, D. Chen, P. Ashok and E. van Oort, "Drilling Heat Maps for Active Temperature Management in Geothermal Wells," In SPE Annual Technical Conference and Exhibition, OnePetro, Sep 26, 2022, doi: 10.2118/210306-MS

K. Plewe, JN. Sment, MJ. Martinez, CK. Ho, and D. Chen, "Transient thermal performance of high-temperature particle storage bins," In AIP Conference Proceedings, Vol. 2445, Iss. 1, pp. 160013, May 2022, AIP Publishing LLC, doi: 10.1063/5.0085649

C. Martin, Q. Zhao, S. Bakshi, D. Chen, and W. Li, "H∞ Optimal Control for Maintaining the R2R Peeling Front," In IFAC-PapersOnLine, Vol. 55, Iss. 37, pp. 663-668, Jan 1, 2022, doi: 10.1016/j.ifacol.2022.11.258

I. Feng, S. Gul, D. Chen, and E. van Oort, "Model Predictive Control for Automated Drilling Fluid Maintenance," In IADC/SPE International Drilling Conference and Exhibition, OnePetro, Mar 1, 2022, doi: 10.2118/208769-MS

Y. Zhang, Z. Yan, P. Ashok, D. Chen, and E. van Oort, "Drilling Hard Abrasive Rock Formations with Differential Hydraulic Hammers: Dynamic Modeling of Drillstring Vibrations for ROP Optimization," In IADC/SPE International Drilling Conference and Exhibition, OnePetro, Mar 1, 2022, doi: 10.2118/208670-MS

A. Pradeepkumar, J. Chu, Y. Witt-Doerring, Z. Yan, D. Chen, and Eric van Oort, “Drill Bit Failure Forensics using 2D Bit Images Captured at the Rig Site,” SPE/IADC International Drilling Conference and Exhibition, Virtual, March 8, 2021

Kaden Plewe, J. N. Sment, M. J. Martinez, C. K. Ho, and D. Chen, “Transient Thermal Performance of High-Temperature Particle Storage Bins,” 26th SolarPACES Conference, Albuquerque, Nex Mexico, September 29 – October 2, 2020

Q. Zhao, T. Feng, W. Li, and D. Chen, "Power Management for a Fuel Cell/Battery/Supercapacitor Hybrid Locomotive,” Proceedings of ASME Dynamic Systems and Control conference, Pittsburgh, Pa, October 4 – 7, 2020

Jian Chu, Hansen Qin, Zeyu Yan, Soovadeep Bakshi , and D. Chen, “An Integrated Hardware and Software Platform for Control of Automatic Ground Vehicles,” Proceedings of ASME Dynamic Systems and Control conference, Pittsburgh, Pa, October 4 – 7, 2020

A. Fallah, Q. Gu, D. Chen, P. Ashok, and E. van Oort, A. Karimi Vajargah and R. Banirazi, “Hole Cleaning Case Studies Analyzed with a Transient Cuttings Transport Model,” Proceedings of 2020 SPE Annual Technical Conference and Exhibition, Virtual, October 27-29, 2020

Q. Shen, D. Chen, and W. Li, “Controlling Peeling Front Geometry in a Roll-to-Roll Thin Film Transfer Process,” Proceedings of 2020 MSEC Manufacturing Science & Engineering Conference, Cincinnati, OH, June 22-26, 2020

C. Pehlivanturk, D. Chen, P. Ashok, and E. van Oort, “Path Advisory for Slide Drilling using a Nonlinear Wellbore Propagation Model and Genetic Algorithm,” accepted, Proceedings of 2018 IADC/SPE Drilling Conference and Exhibition, The Hague, The Netherlands, March 5-7, 2019

A. Fallah, Q. Gu, Z. Ma, A. Karimi Vajargah, D. Chen, P. Ashok, E. van Oort, and R. May, “An Integrated Thermal and Multiphase Flow Model for Estimating Transient Temperature Dynamics During Drilling Operations,” accepted, Proceedings of 2018 IADC/SPE Drilling Conference and Exhibition, The Hague, The Netherlands, March 5-7, 2019

Q. Gu, A. Fallah, A. Ambrus, D. Chen, P. Ashok, and E. van Oort, “An Adaptive Controller for Mitigating Riser Gas Unloading Hazards in Offshore Drilling,” accepted, Proceedings of 2018 IADC/SPE Drilling Conference and Exhibition, The Hague, The Netherlands, March 5-7, 2019

T. Feng, Q. Gu, I. Kim, and D. Chen, “Dynamic analysis of directional drilling using curved beam theorem,” accepted, Proceedings of 2018 ASME Dynamic Systems and Control Conference, Atlanta, GA

Z. Ma, A. Karimi Vajargah, D. Chen, E.van Oort, R. May, J.D. Machpherson, and G. Becker, “Study of Gas Kicks in Non-Aqueous Drilling Fluids: A Well Control Challenge,” Proceedings of 2018 IADC/SPE Drilling Conference and Exhibition, Fort Worth, Texas, March 6-8, 2018

T. Feng, M. Vadali, and D. Chen, “Modeling and Analysis of Directional Drilling Dynamics,” Proceedings of 2017 ASME Dynamic Systems and Control Conference, Tysons Corner, VA, October 11-13, 2017

M. Chu Cheong, H. Qian, J. Conger, D. Chen, and P. Du, “Distributed H-Infinity Frequency Control for Inverter Connected Microgrids,” Proceedings of 2017 ASME Dynamic Systems and Control Conference, Tysons Corner, VA, October 11-13, 2017

T. Feng, H. Zhang, and D. Chen, “Dynamic programming based controllers to suppress stick-slip in a drilling system,” Proceedings of 2017 American Control Conference, Seattle, WA, May 23-25, 2017

C. Pehlivantürk, D. Chen, and E. van Oort, “Torsional Drillstring Vibration Modelling and Mitigation with Feedback Control,” Proceedings of SPE/IADC Drilling Conference and Exhibition, The Hague, The Netherlands, March 14-16, 2017

Z Ma, A Vajargah, P Ashok, D Chen, E. van Oort, R May, D Curry, J MacPherson, G Becker, “A Comprehensive Hydraulic Software Package for Drilling Operations,” Proceedings of 2017 AADE National Technical Conference and Exhibition, Houston, TX, April 11-12, 2017

Z. Ma, B. C. Li, Z. Yan, D. Chen, and W. Li, “Wearable Sleepiness Detection Based on Characterization of Physiological Dynamics,” Proceedings of ASME 2016 Dynamic Systems and Control Conference, Minneapolis, MN, October 12-14

M. K. Chu-Cheong, D. Chen, and P. Du, “Decentralized H_∞ Control in Microgrids to Mitigate Renewable Intermittency,” Proceedings of ASME 2016 Dynamic Systems and Control Conference, Minneapolis, MN, October 12-14

Z. Ma, A. Karimi Vajargah, P. Ashok, D. Chen, E. van Oort, R. May, D.A. Curry, J.D. Macpherson, and G. Becker, “Multi-Phase Well Control Analysis during Managed Pressure Drilling Operations,” Proceeding of 2016 SPE Annual Technical Conference and Exhibition, Dubai, UAE, September 26-28

M. Shaltout, Z. Ma, and D. Chen, “An Economic Model Predictive Control Approach using Convex Optimization for Wind Turbines,” Proceedings of 2016 American Control Conference, Boston, MA, July 6-8.

Z. Ma and D. Chen, “Modeling of Coupled Axial and Torsional Motions of A Drilling System,” Proceedings of ASME 2015 Dynamic Systems and Control Conference, Columbus, OH, Oct. 28-30.

A. Headley and D. Chen, “Control Oriented PEM Fuel Cell Modeling Based on The Discretized Cathode Control Volume Method,” Proceedings of the ASME 2015 Power and Energy Conversion Conference, San Diego, CA, June 28-July 2.

Z. Yan, D. Chen and M. Lin, “Optimal Region 2 Operation of A Distributed Wind Turbine with Time-Varying Weightings to Smooth Torque Variation,” Proceedings of 2015 American Control Conference, Chicago, IL, July 1-3.

Z. Ma and D. Chen, “Optimal Power Dispatch and Control of a Wind Turbine and Battery Hybrid System,” Proceedings of 2015 American Control Conference, Chicago, IL, July 1-3.

M. L. Shaltout, A. A. Malikopoulos, S. Pannala, and D. Chen, “Multi-disciplinary decision making and optimization for hybrid electric propulsion systems,” Proceedings of IEEE International Electric Vehicle Conference 2014, Florence, Italy, December 17-19.

Z, Ma, M. Shaltout, and D. Chen, 2014, “Adaptive Gain Modified Optimal Torque Controller for Wind Turbine Partial Load Operation,” Proceedings of ASME 2014 Dynamic Systems and Control Conference, San Antonio, TX, October 22-24.

C.S. Hearn, S.B. Pratap, D. Chen, and R.G. Longoria, 2014 “Superconducting Bearing Design for Outer Rotor Flywheel Using Lumped Parameter Techniques,” Proceedings of 14^th International Symposium on Magnetic Bearings, Linz, Austria, August 11-14.

A. Headley, V. Yu, and D. Chen, 2014, “Critical Control Volume Sizing for Improved Transient Thermal Modeling of PEM Fuel Cells,” Proceedings of The International Conference on Clean Energy 2014, Istanbul, Turkey, June 8-12.

M. L. Shaltout and D. Chen, 2013, “Optimal Control of a Wind Turbine for Tradeoff Analysis between Energy Harvesting and Noise Emission,” Proceedings of 2013 ASME Dynamic Systems and Control Conference, Palo Alto, CA, Oct. 21-23.

V. Yu and D. Chen, 2013, “Estimating the Concentration Imbalance of a Vanadium Redox Flow Battery with Crossover Using a Constrained Extended Kalman Filter,” Proceedings of 2013 ASME Dynamic Systems and Control Conference, Palo Alto, CA, Oct. 21-23.

M. Brundage, Q. Chang, D. Chen, and V. Yu, 2013, “Energy Savings Opportunities of an Integrated Facility and Production Line,” Proceedings of 2013 ASME Manufacturing Science and Engineering Conference, Madison, WI, June 10-14.

A. Headley, B. Hadisujoto, D. Chen and T.J. Moon, 2013, “Development and Validation of a Dynamic Thermal Model for a Polymer Electrolyte Membrane Fuel Cell,” Proceedings of ASME 2013 11th Fuel Cell Science, Engineering and Technology Conference, Minneapolis, MN, July 14-19.

Z. Yan, J. Hall, and D. Chen, 2013, “MIMO Control of Wind Turbine Using Direct Shooting Method,” Proceedings of 2013 American Control Conference, Washington DC, June 17-19.

V. Yu and D. Chen, 2012, “Control-oriented Model of a Vanadium Redox Flow Battery with Crossover Effects,” Proceedings of 2012 ASME Dynamic Systems and Control Conference, Ft. Lauderdale, FL, October 17-19.

M. L. Shaltout, N. Zhao, J.F. Hall, and D. Chen, 2012, “Wind Turbine Gearbox Control for Maximum Energy Capture and Prolonged Gear Life,” Proceedings of 2012 ASME Dynamic Systems and Control Conference, Ft. Lauderdale, FL, October 17-19.

Z. Yan, J.F. Hall and D. Chen, 2012, “A Dynamic Optimization Approach for Maximum Aerodynamic Coefficient of Wind Turbine Systems,” Proceedings of 2012 ASME Dynamic Systems and Control Conference, Ft. Lauderdale, FL, October 17-19.

J.F. Hall and D. Chen, 2012, “Control of a Variable Ratio Gearbox and Mechanical Brake to Maximize Wind Energy Production,” Proceedings of 2012 American Control Conference, Montreal, June 27-29.

D. Palejiya and D. Chen, 2011, “Closed Loop Stability of Switching Controller for Wind Turbine,” Proceedings of 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, October 31 – November 2.

R. Refai, S. Yayathi, D. Chen, and B. Fernandez-Rodriguez, 2011, “Hybrid Neural Net Model of a Lithium Ion Battery,” Proceedings of 2011 ASME Dynamic Systems and Control Conference, Arlington, VA, October 31 – November 2.

C.S. Hearn, M. Lewis, R. Thompson, D. Chen, and H. Jason, 2011, “Design and Demonstration of an Extended Range Hydrogen Fuel Cell Utility Vehicle,” Proceedings of IEEE Vehicle Power and Propulsion Conference, Chicago, IL, September 6-9.

C.A. Mecklenborg, D. Palejiya, J.F. Hall, and D. Chen, 2011, “Mode Changing Stability in an Integrated Wind Turbine and Rechargeable Battery System,” Proceedings of 2011 American Control Conference, San Francisco, CA, June 29 – July 1.

C. Hill and D. Chen, 2011, “Development of a Real-Time Testing Environment for Battery Energy Storage Systems in Renewable Energy Applications,” Proceedings of IEEE Power and Energy Society General Meeting, Detroit, MI, July 24-28.

C.A. Mecklenborg, P. Rouenhoff, and D. Chen, 2010, “Linear Stability Control of Offshore Wind Turbines,” Proceedings of 2010 ASME Dynamic Systems and Control Conference, September 13-15.

J.F. Hall, C.A. Mecklenborg, and D. Chen, 2010, “Design Properties That Affect Controller Gain and Available Bandwidth of Non-Minimum Phase Membrane Humidifiers,” Proceedings of 2010 ASME Dynamic Systems and Control Conference, September 13-15.

B. Hadisujoto, R. Refai, D. Chen, and T.J. Moon, 2010, “Dynamic Thermal Model of PEM Fuel Cells for MIMO Control Design,” Proceedings of 2010 ASME Dynamic Systems and Control Conference, September 13-15.

C.S. Hearn, D.A. Weeks, R.C. Thompson, and D. Chen, 2010, “Electric Vehicle Modeling Utilizing DC Motor Equations,” Proceedings of 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, July 6-9.

D. Chen and H. Peng, 2005, “Analysis of Non-Minimum Phase Behavior of PEM Fuel Cell Membrane Humidification Systems,” Proceedings of 2005 American Control Conference, Portland, OR, June 8-10.

D. Chen and H. Peng, 2004, “Modeling and Analysis of Membrane Humidifiers for PEM Fuel Cell Systems,” Proceedings of 2004 ASME International Mechanical Engineering Congress and Exposition, Anaheim, CA, November 13-19.

D. Chen and H. Peng, 2004, “Modeling and Simulation of a PEM Fuel Cell Humidification System,” Proceedings of 2004 American Control Conference, Boston, MA, June 30 – July 2.