## 2013-2014 Publications

D. Apostolopoulou, Y. C. Chen, J. Zhang, A. D. Domínguez-García, and P. W. Sauer, “Effects of Various Uncertainty Sources on Automatic Generation Control Systems,” *Proc. IREP Bulk Power System Dynamics and Control Symposium*, Crete, Greece, August 2013.

D. Apostolopoulou, P. W. Sauer, and A. D. Domínguez-García, “Automatic Generation Control and

its Implementation in Real Time,” *Proc. Hawaii Int’l Conf. on System Sciences*, Big Island, HI, January 2014.

T. Banarjee, Y. C. Chen, A. D. Domínguez-García, and V. Veeravalli, “Power System Line Outage Detection and Identification—A Quickest Change Detection Approach,”* Proc. IEEE Int’l Conf. Acoustics, Speech, and Signal Processing*, Florence, Italy, May 2014.

C. Barth and R. C. N. Pilawa-Podgurski, “Dithering Digital Ripple Correlation Control with Digitally-assisted Windowed Sensing for Solar Photovoltaic MPPT,” *Proc. IEEE Applied Power Electron. Conf.*, Fort Worth, TX, 2014, pp. 1738 – 1746.

A. M. Bazzi, V. T. Buyukdegirmenci, and P. T. Krein, “System-level Power Loss Sensitivity to Various Control Variables in Vector-controlled Induction Motor Drives,” *IEEE Trans. Ind. Appl*, vol. 49, no. 3,

pp. 1367 – 1373, 2013.

A. M. Bazzi, and P. T. Krein, “Ripple Correlation Control: An Extremum Seeking Control Perspective for Real-time Optimization,” *IEEE Trans. Power Electron.*, vol. 29, no. 2, pp. 988 – 995, 2014.

R. C. Bell and R. C. N. Pilawa-Podgurski, “Asynchronous and Distributed Maximum Power Point Tracking of Series-connected Photovoltaic Sub-modules Using Differential Power Processing,” *IEEE Workshop on Control and Modeling for Power Electron*. (COMPEL) 2014.

U. Bui, T. J. Overbye, K. S. Shetye, H. Zhu, and J. D. Weber, “Geomagnetically Induced Current Sensitivity to Assumed Substation Grounding Resistance,” *Proc. North American Power Symposium*, September 2013.

V. T. Buyukdegirmenci, A. M. Bazzi, and P. T. Krein, “Evaluation of Induction and Permanent-Magnet Synchronous Machines Using Drive-cycle Energy and Loss Minimization in Traction Applications,” *IEEE Trans. Ind. Appl*., vol. 50, no. 1, pp. 395 – 403, 2014.

V. T. Buyukdegirmenci, S. Nategh, M. P. Magill, and P. T. Krein, “A Fast and Flexible Analytical Approach for Thermal Modeling of a Linear Stator Structure,” *Proc. IEEE Int’l. Electric Machines & Drives Conf.* (IEMDC), 2013, pp. 793 – 800.

V. T. Buyukdegirmenci, M. P. Magill, S. Nategh, and P. T. Krein, “Development of Closed-form Solutions for Fast Thermal Modeling of Rotating Electric Machinery,” *Proc. IEEE Int’l. Electric Machines & Drives Conf*. (IEMDC), 2013, pp. 832 – 838.

Y. Cao and P. T. Krein, “Average and Detailed Modeling Approaches Emphasizing Subsystems in a Hybrid Mobile Refrigeration,” *Proc. IEEE Int’l Electric Machines and Drives Conf.* (IEMDC), 2013, pp. 1132 – 1136.

Y. Cao and P. T. Krein, “An Average Modeling Approach for Mobile Refrigeration Hybrid Power Systems with Improved Battery Simulation,” *Proc. IEEE Transportation Electrification Conf.* (ITEC), 2013.

Y. C. Chen, P. W. Sauer and A. D. Domínguez-García, “Online Computation of Power System Linear Sensitivity Distribution Factors,” *Proc. IREP Bulk Power System Dynamics and Control Symposium*, Crete, Greece,

August 2013.

Y. C. Chen, A. D. Domínguez-García, and P. W. Sauer, “Online Estimation of Power System Distribution Factors—A Sparse Representation Approach,” *Proc. North American Power Symposium*, September 2013.

Y. C. Chen, P. W. Sauer, and A. D. Domínguez-García, “Measurement-based Estimation of Linear Sensitivity Distribution Factors and Applications,” *IEEE Trans. Power Syst.*, vol. 29, no. 3, pp. 1372 – 1382, May 2014.

S. V. Dhople, Y. C. Chen, and A. D. Domínguez-García, “A Set-theoretic Method for Parametric Uncertainty Analysis in Markov Reliability and Reward Models,” *IEEE Trans. on Reliab*., vol. 62, no. 3, pp. 658 – 669, September 2013.

S. V. Dhople, L. DeVille, and A. D. Domínguez-García, “Analysis of Power System Dynamics Subject to Stochastic Power Injections,” *IEEE Trans. Circuits Syst*. I, vol. 60, no. 12, pp. 3341 – 3353, December 2013.

S. V. Dhople, K. A. Kim, and A. D. Domínguez-García, “Time-optimal Control in DC-DC Converters: A Maximum Principle Perspective,” *Proc. IEEE Applied Power Electron. Conf*., Fort Worth, TX, 2014, pp. 2804 – 2808.

S. V. Dhople, L. DeVille, and A. D. Domínguez-García, “A Stochastic Hybrid Systems Framework for Performability Analysis,” *J. Reliability Engineering and System Safety*, vol. 123, pp. 158 – 170, March 2014.

S. Guo, T. J. Overbye, “Suitability of a Dynamic Load Model to Measurement-based Parameter Estimation,”* Proc. 17th Int’l Conf. on Intelligent Syst. Appl. Power Syst*., Tokyo, Japan, July 2013.

T. G. Habetler, R. G. Harley, J. R. Mayor, P. T. Krein, S. Pekarek, and S. Sudhoff, “The Chimera of Rare Earth Materials: Enhancing Alternatives for Machines and Drives and Managing the Beast,” *Proc. IEEE Int’l. Electric Machines & Drives Conf.* (IEMDC), 2013, pp. 1509 – 1550.

A. C. N. Hadjicostis and A. D. Domínguez-García, “Distributed Average Consensus in Digraphs,” in *C4CBook Coordination Control of Distributed Systems*, J. H. van Schuppen, and T. Villa (Eds.), Springer-Verlag,

Berlin, 2014.

S. Liu, P. W. Sauer, D. Chaniotis, and M. A. Pai, “Krylov Subspace and Balanced Truncation Methods for Power System Model Reduction,” Chapter 6, *Power System Coherency and Model Reduction*, (Joe H. Chow, Editor), Springer Series on Power Electron. and Power Systems, vol. 94, New York, 2013.

L. Heng, J. Makela, A. D. Domínguez-García, R. Bobba, W. Sanders, and G. Xingxin Gao, “Reliable GPS-based Timing for Power Systems: A Multi-layered Multi-receiver Architecture,” *Proc. Power and Energy Conf. at Illinois*, February 2014.

S. Hossain, H. Zhu, T. J. Overbye, “Distribution Faculty Location Using Wide-area Voltage Magnitude Measurements,” *Proc. North American Power Symposium*, September 2013.

X. Jiang, J. Zhang, B. Harding, J. Makela, and A. D. Domínguez-García, “Spoofing GPS Receiver Clock Offset of Phasor Measurement Units,” *IEEE Trans. Power Syst*., vol. 28, no. 3, pp. 3253 – 3262, August 2013.

B. B. Johnson, S. V. Dhople, J. L. Cale, A. O. Hamadeh, and P. T. Krein, “Oscillator-based Inverter Control for Islanded Three-phase Microgrids,” *IEEE J. Photovoltaics*, vol. 4, no. 1, pp. 387 – 395, 2014.

M. Kazerooni, H. Zhu, T. J. Overbye, “Probabilistic Modeling and Reliability Analysis for Validating Geomagnetically Induced Current Data,” *Proc. North American Power Symposium*, September 2013.

K. A. Kim, N. Dostart, J. Huynh, and P. T. Krein, “Low-cost Solar Simulator Design for Multi-junction Solar Cells in Space Applications,” *Proc. Power and Energy Conf. at Illinois*, February 2014.

K. A. Kim, C. Xu, L. Jin, and P. T. Krein. “A Dynamic Photovoltaic Model Incorporating Capacitive and Reverse-Bias Characteristics,” *IEEE J. Photovoltaics*, 3(4):1334 – 1341, October 2013.

K. A. Kim and P. T. Krein, “Hot Spotting and Second Breakdown Effects on Reverse I-V Characteristics for Mono-crystalline Si Photovoltaics,” *Proc. Energy Conversion Congress and Exposition*, Denver, CO 2013,

pp. 1007 – 1014.

K. A. Kim and P. T. Krein, “Photovoltaic Hot Spot Analysis for Cells with Various Reverse-bias Characteristics through Electrical and Thermal Simulation,” *Proc. IEEE Workshop Control Modeling Power Electron*.,

June 2013.

K. A. Kim, P. T. Krein, G.-S. Seo, and B.-H. Cho, “Photovoltaic AC Parameter Characterization for Dynamic Partial Shading and Hot Spot Detection,” *Proc. IEEE Applied Power Electron. Conf*., pp. 109 – 115, March 2013.

K. A. Latham, R. C. N. Pilawa-Podgurski, K. F. Odame, and C. R. Sullivan, “Analysis and Optimization of Maximum Power Point Tracking Algorithms in the Presence of Noise,” *IEEE Trans. Power Electron*., vol. 28, No. 7,

July 2013.

K.-Y. Lei and R. C. N. Pilawa-Podgurski, “Soft-charging Operation of Switched-capacitor DC-DC Converters with an Inductive Load,” *Proc. IEEE Applied Power Electron. Conf.*, 2014, pp. 2112 – 2119.

K.-Y. Lei, R. May and R. C. N. Pilawa-Podgurski, “Split-phase Control: Achieving Complete Soft-charging Operation of a Dickson Switched-capacitor Converter,” *IEEE Workshop on Control and Modeling for Power Electron*. (COMPEL) 2014. [1st Prize Best Paper Award]

R. May, “Analysis of Soft-Charging Switched Capacitor Power Converters,” Technical report UILU-ENG-2013-2506, CEME-TR-2013-03, December 2013.

T. J. Overbye, K. S. Shetye, Y. Z. Hughes, and J. D. Weber, “Preliminary Considerations of Voltage Stability Impacts of Geomagnetically Induced Currents,” *Proc. IEEE PES 2013 General Meeting*, Vancouver, BC,

July 2013.

T. J. Overbye, K. S. Shetye, T. R. Hutchins, Q. Qiu, J. D. Weber, “Power Grid Sensitivity Analysis of Geomagnetically Induced Currents,”* IEEE Trans. Power Syst*., vol. 28, pp. 4821 – 4828, November 2013.

S. Qin, S. T. Cady, A. D. Domínguez-García, and R. C. N. Pilawa-Podgurski, “A Distributed Approach to MPPT for PV Sub-module Differential Power Processing,”* Proc. IEEE Energy Conversion Congress and Exposition*, Denver, CO 2013, pp. 2778 – 2785.

S. Qin, A. Morrison and R. C. N. Pilawa-Podgurski, “Enhancing Micro-inverter Energy Capture with Sub-module Differential Power Processing,” *Proc. IEEE Applied Power Electron. Conf*., pp. 621 – 628.

M. Schuck and R. C. N. Pilawa-Podgurski, “Ripple Minimization in Asymmetric Multiphase Interleaved DC-DC Switching Converters,” *Proc. IEEE Energy Conversion Congress and Exposition*, Denver, CO 2013, pp. 133 – 139.

J. A. Silvers, K. S. Shetye, and T. J. Overbye, “Transient Model Verification of Wind Turbines,” *Proc. North American Power Symposium*, September 2013.

B. A. Robbins, H. Zhu, and A. D. Domínguez-García, “Optimal Tap Settings for Voltage Regulation Transformers in Distribution Networks,”* Proc. North American Power Symposium*, September 2013.

Z. Shan, P. T. Krein, C. K. Tse, and S.-C. Tan, “Pre-energized Compact Auxiliary Circuit to Buffer Loads from Fast Transients with the Goal of Managing Load-informed Power,”* IEEE Workshop on Control and Modeling for Power Electron.* (COMPEL) 2013.

K. S. Shetye, T. J. Overbye, Q. Qiu, and J. Fleeman, “Geomagnetic Disturbance Modeling Results for the AEP System: A Case Study,”* Proc. IEEE PES 2013 General Meeting*, Vancouver, BC, July 2013.

S. Sridharan and P. T. Krein, “Performance and Efficiency Enhancement of Induction Machine Drives: Duality-based Approach to VSI and CSI Control,” *Proc. IEEE Workshop Control and Modeling for Power Electron*. (COMPEL), 2013.

C. C. Yu, A. D. Domínguez-García, and P. W. Sauer, “Online Estimation of Power System Distribution Factors – A Sparse Representation Approach,” *Proc. North American Power Symposium*, September 2013.

W. Yao, J.-M. Jin, and P. T. Krein, “An Efficient Domain Decomposition Method for 3-D Finite Element Analysis of Nonlinear Electric Machine Problems,” *Proc. IEEE Int’l. Electric Machines & Drives Conf.* (IEMDC) 2013,

pp. 709 – 715.

M. Yilmaz and P. T. Krein, “Review of the Impact of Vehicle-to-Grid Technologies on Distribution Systems and Utility Interfaces,” *IEEE Trans. Power Electron*., vol. 28, no. 12, pp. 5673 – 5689, December 2013.

B. Zhang, A. D. Domínguez-García, and D. Tse, “A Local Control Approach to Voltage Regulation in Distribution Networks,” *Proc. North American Power Symposium*, September 2013.

J. Zhang, A. D. Dominquez-Garcia, P. W. Sauer, “Online Transmission Line Loadability Assessment Using Synchrophasor Measurements,” *Proc. North American Power Symposium*, September 2013.

**Patents**

P. S. Shenoy and P. T. Krein, “System and method for optimizing solar power conversion,” U.S. Patent 8,508,074, August 13, 2013.