Publications

Journal and conference publications are listed below. See the Theses & Dissertations page for M.S. theses and Ph.D. dissertations by CEPE graduates.

2016

M. Muthalib; C. Nwankpa, “Physically Based Building Load Model for Electric Grid Operation and Planning,” IEEE Trans. on Smart Grid,  Sep. 2016.

N. S. Coleman, K. N. Miu, “Nodal Power Factor Constraints for Distribution Load Capability,” IEEE Trans. Power Syst., to be published. doi:  10.1109/TPWRS.2016.2625599

2015

N. S. Coleman, K. N. Miu, “A Study of Time Window Selection for Electric Power Distribution System Analysis,” in Proc. 2015 IEEE International Symposium on  Circuits and Systems (ISCAS), pp. 1891-1894, 24-27 May 2015.
doi: 10.1109/ISCAS.2015.7169027

T. L. Lakins, C. O. Nwankpa, “Measurement Location Analysis for Information Embedded Power Systems,” in Proc. 2015 IEEE International Symposium on  Circuits and Systems (ISCAS), pp. 1883-1886, 24-27 May 2015.
doi: 10.1109/ISCAS.2015.7169025

C. O. Nwankpa, J. C. Jimenez, S. Jayasuriya, “Observability of Network-Delayed Multi-converter Power Systems,” in Proc. 2015 IEEE International Symposium on  Circuits and Systems (ISCAS), pp. 930-933, 24-27 May 2015.
doi: 10.1109/ISCAS.2015.7168787

Muthalib, Mohammed; Nwankpa, Chika, “Evaluating load flow capability with thermostically controllable building loads,” in North American Power Symposium (NAPS), 2015, 4-6 Oct. 2015.
doi: 10.1109/NAPS.2015.7335214.

Coleman, Nicholas S.; Schegan, Christian; Miu, Karen N., “A study of power distribution system fault classification with machine learning techniques,” in North American Power Symposium (NAPS), 2015, 4-6 Oct. 2015.
doi: 10.1109/NAPS.2015.7335264.

Hill, Jesse; Nwankpa, Chika, “Single bus studies of split, multiple battery energy storage systems,” in North American Power Symposium (NAPS), 2015, 4-6 Oct. 2015.
doi: 10.1109/NAPS.2015.7335236.

2014

J. C. Jimenez, S. Jayasuriya, C. O. Nwankpa, “Simulation platform development for the analysis of power electronic converter systems with plant and network coupling,” in Proc. 2014 29th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), pp. 1158-1164, March 2014.

C. O. Nwankpa, J. C. Jimenez, S. Jayasuriya, “Nonlinear analysis of multi-converter power systems for microgrids,” in Proc. 2014 IEEE International Symposium on  Circuits and Systems (ISCAS), pp. 1804-1807, June 2014.

M. Muthalib, C. Nwankpa, “Dynamic building model for demand response,” IEEE International Symposium on Circuits and Systems (ISCAS), 2014 , vol., no., pp.1171,1174, 1-5 June 2014.

Mohammed Muthalib, Chika Nwankpa, “Operating limits of Buildings As Controllable Loads,” 18th Power System Computation Conference, Wroclaw, Poland, August 18-22 2014.

2013

M.K. Muthalib, C. O. Nwankpa, “Incorporating dynamic building load model into interconnected power systems,” Innovative Smart Grid Technologies (ISGT), 2013 IEEE PES, vol., no., pp. 1,6, 24-27 Feb. 2013

Hill, J.; Nwankpa, C., “Resource availability effects on cost optimization for battery storage systems,” Innovative Smart Grid Technologies (ISGT), 2013 IEEE PES , vol., no., pp.1,6, 24-27 Feb. 2013

J. C. Jimenez, S. Jayasuriya, C. O. Nwankpa, “Effects of communication network and load parameters on information-embedded multi-converter shipboard power systems,” in Proc. 2013 IEEE Electric Ship Technologies Symposium (ESTS), pp. 320-325, April 2013.

C. O. Nwankpa, J. C. Jimenez, S. Jayasuriya, “Modeling and simulation of information-embedded multi-converter power systems,” in Proc. 2013 IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1544-1547, May 2013.

Jonathan Berardino and Chika Nwankpa, ” Inclusion of Temporal Effects in Forecasting Building Electrical Loads for Demand Resource Planning”, Proceedings of the IEEE PowerTech 2013 Conference, June 2013, Grenoble, France

Hill, Jesse; Nwankpa, C., “Hardware Platform for Testing Battery Energy Storage Systems in the Presence of Renewables,” Proceedings of the IEEE PowerTech 2013 Conference, June 2013, Grenoble, France

Jonathan Berardino and Chika Nwankpa, ” Economic Demand Dispatch of Controllable Building Electrical Loads Incorporating Delayed Response Times”, Innovative Smart Grid Technologies (ISGT), 2013, Washington DC

Jonathan Berardino and Chika Nwankpa, “Statistics of Building-Specific Load Forecasting Models”, Proceedings of the North American Power Symposium 2013, September 2013, Manhattan, KS

J. C. Jimenez, S. Jayasuriya, C. O. Nwankpa, “Multi-Converter Power Systems Response to Controller’s Communication Network Delays and Loading Parameters,”in Proc. 2013 35th International Telecommunications Energy Conference (INTELEC), pp. 13-17, Oct. 2013.

 2012

Jonathan Berardino and Chika Nwankpa, “Interval-Specific Building Load Forecasting Models for Demand Resource Planning”, Proceedings of the IEEE PowerCon 2012 Conference, October 2012, Auckland, New Zealand

Anthony Deese, Chika Nwankpa, Juan Jiménez, Jonathan Berardino, Jesse Hill, “Design of Modular Field Programmable Analog Array Hardware for Analysis of Large Power Systems,” International Symposium on Circuits and Systems (ISCAS), 2012

Jonathan Berardino, Mohammed Muthalib, Chika Nwankpa, “Network Constrained Economic Demand Dispatch of Controllable Building Electric Loads”, Innovative Smart Grid Technologies (ISGT), 2012, Washington DC

Hill, Jesse; Nwankpa, C., “System constraints effects on optimal dispatch schedule for battery storage systems,” Innovative Smart Grid Technologies (ISGT), 2012 IEEE PES , vol., no., pp.1,8, 16-20 Jan. 2012

Mohammed Muthalib, Chika Nwankpa, “Dynamic characterization of building electrical loads by equivalent energy circuit analysis,” Circuits and Systems (ISCAS), 2012 IEEE International Symposium on, vol., no., pp. 1203, 1206, 20 -23 May 2012

2011

S. Chudjuarjeen, S. Jayasuriya, S. Yachiangkam, J. C. Jimenez, C. O. Nwankpa, K. Miu and A. Sangswang, “Analysis of measurement delay errors in a DC-DC Buck-Boost converter using stochastic differential equations,” in Proc. IECON 2011 – 37th Annual Conference of the IEEE Industrial Electronics Society , pp. 1203-1207, Nov. 2011.

S. Chudjuarjeen, J. C. Jimenez,  S. Jayasuriya, C. O. Nwankpa, K. Miu and A. Sangswang, “DC-DC boost converter with network model for photovoltaic system,” in Proc. 2011 IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1273-1278, Sept. 2011

S. Chudjuarjeen, S. Jayasuriya, J. C. Jimenez, C. O. Nwankpa, K. Miu and A. Sangswang, ” Simulation of a DC-DC boost converter with network models,” in Proc. GCMS 2011 – Grand Challenges in Modeling and Simulation, June 2011.

S. Chudjuarjeen, J. C. Jimenez, S. Jayasuriya, C. O. Nwankpa, K. Miu and A. Sangswang, “Simulation of a DC-DC boost converter with measurement delays,” in Proc. 2011 IEEE Electric Ship Technologies Symposium (ESTS), pp. 156-160, April 2011.

Jonathan Berardino, Chika Nwankpa, Karen Miu, “Economic Demand Dispatch of Controllable Building Electric Loads for Demand Response”, Proceedings of the IEEE PowerTech 2011 Conference, June 2011, Trondheim, Norway

2010

K. Miu, V. Cecchi, M. Kleinberg, A. Deese, M. Tong, B. Kleinberg, “A distribution power flow experiment for outreach education,” IEEE Transactions on Power Systems, vol. 25, no. 1, Feb. 2010, pp. 3-9.

M. Knauff, C. Dafis, D. Niebur, “A new battery model for use with an extended Kalman filter state of charge estimator,” American Control Conference (ACC), 2010, pp.1991-1996, June 30, 2010-July 2, 2010.

A. Deese, J. Jiménez, J. Berardino, C. Nwankpa, “Hardware prototype to emulate the dynamics of power system generators with field programmable analog arrays,” International Symposium on Circuits and Systems (ISCAS), 2010.

J. Berardino and C. Nwankpa, “Dynamic load modeling of an HVAC chiller for demand response applications”, IEEE International Conference on Smart Grid Communications, 2010.

K. Miu, M. Kleinberg, “Impact studies of unbalanced multi-phase distribution system component models,” IEEE PES General Meeting, Minneapolis, Minnesota, pp. 1-4, 2010.

2009

M. Kleinberg, K. Miu, H.-D. Chiang, “Service restoration of power distribution systems incorporating load curtailment,” Proc. IEEE International Symposium on Circuits and Systems 2009, Taipei, Taiwan, May 24 – 27, 2009

M. Knauff, D. Niebur, C. Nwankpa, “A platform for the testing and validation of dynamic battery models,” Electric Ship Technologies Symposium, 2009, pp.554-559, 20-22 April 2009.

2008

M. Kleinberg, K. Miu, K., C. Nwankpa, “Distributed multi-Phase distribution power flow: modeling, solution algorithm, and simulation results,” Transactions of the Society for Modeling and Simulation International, Vol. 4, No. 8-9, August-September 2008

Kleinberg, M., Miu, K., Nwankpa, C., “Distributed simulation of a large scale power distribution network,” Proc. Society for Modeling and Simulation International, Summer Computer Simulation Conference 2008, Edinburgh, UK, June 16-18, 2008

2007

S. Tong and K. N. Miu, “Slack Bus Modeling and Cost Analysis of Distributed Generator Installations,” ASCE Journal of Energy Engineering, Vol. 133, Iss. 3, Sept. 2007, pp. 111-120.

V. Cecchi, X. Yang, K. Miu, C. Nwankpa, “Instrumentation and Measurement of a Power Distribution System Laboratory for Meter Placement and Network Reconfiguration Studies”, IEEE Transactions on Instrumentation and Measurement, Vol. 56, Iss. 4, Aug. 2007, pp.1224 – 1230.

A. St. Leger and C. Nwankpa, “Configuration of a Large Scale Analog Emulator for Power System Analysis,” Proceedings of the IEEE PowerTech 2007 Conference, July 2007, Lausanne Switzerland.

M. Kleinberg, K. Miu, and C. Nwankpa, “Network Modeling for Distributed Simulations of Unbalanced Power Systems,” Proceedings of the 2007 Summer Computer Simulation Conference (SCSC ’07), July 2007, San Diego, CA, USA.

V. Cecchi, M. Kleinberg, M. Tong, B. Kleinberg, and K. Miu, “Design of a Power Engineering Outreach Experiment Using Feedback from Non-Engineers and Grade 9-12 Students,” Proceeding of the 2007 ASEE Annual Conference and Exposition, June 2007, Honolulu, HI, USA.

A. St. Leger, J.C. Jimenez, A. Fu, S. Djimbinov, S.E. Soeurn, S.S. Lwin, and C. Nwankpa, “Analog Emulation of a Reconfigurable Tap Changing Transformer,” Proceedings of the 2007 International Symposium on Circuits and Systems (ISCAS 2007), May 27-30, 2007, New Orleans, USA.

A. St. Leger and C. Nwankpa, “Analog and Hybrid Computation Approaches for Static Power Flow,” Proceedings of the 40th Annual Hawaii International Conference on System Sciences, January, 2007, Waikoloa, HI, USA.

J.C. Jimenez, A. St. Leger and C. Nwankpa, “Reconfigurable Phase Shifting Transformer for Analog Computation,” Proceedings of the IEEE PowerTech 2007 Conference, July 2007, Lausanne Switzerland.

Knauff, M. C.; Dafis, C. J.; Niebur, D.; Kwatny, H. G.; Nwankpa, C. O.; Metzer, J., “Simulink Model for Hybrid Power System Test-bed,” Electric Ship Technologies Symposium, 2007. ESTS ’07. IEEE , vol., no., pp.421-427, 21-23 May 2007

Knauff, M.; McLaughlin, J.; Dafis, C.; Niebur, D.; Kwatny, H.; Nwankpa, C.; Metzer, J., “Simulink Model of a Lithium-Ion Battery for the Hybrid Power System Testbed,”Proceedings of the ASNE Itelligent Ships Symposium, May 2007, Philadelphia, PA, USA

V. Cecchi, A. St. Leger, K. Miu and C. Nwankpa, “Experimental Setup for Investigating Gamma Transmission Line Models in the Presence of Non-Fundamental Frequencies,” Proceedings of the IEEE Power Engineering
Society General Meeting, June 2007, Tampa, FL, USA.

V. Cecchi, A. St. Leger, K. Miu and C. Nwankpa, “Loading Studies for Power Transmission Line Models in the Presence of Non-Fundamental Frequencies,” Proceedings of the 2007 Summer Computer Simulation Conference (SCSC ’07), July, 2007, San Diego, CA, USA.

2006

A. Deese, C. Nwankpa, and A. St.Leger, “Effect of System Size on Analog Emulation Based Steady-State Power Flow Analysis,” Proceedings of
the 49th IEEE International Midwest Symposium on Circuits and Systems, 2006.

A. St. Leger and C. Nwankpa, “Static Generator Model for Analog Power Flow Computation,” Proceedings of the 2006 International Symposium on Circuits and Systems (ISCAS 2006), Island of Kos, Greece, May 21-24, 2006.

C. Nwankpa, A. Deese, Q. Liu, A. St. Leger, J. Yakaski, and N. Yok, “Power System on a Chip (PSoC): Analog Emulation for Power System Applications,” Power Engineering Society General Meeting, Montreal, Canada, June 18-22, 2006.

C. Nwankpa, A. Deese, Q. Liu, A. St. Leger, J. Yakaski, and N. Yok, “Power System on a Chip (PSoC): Analog Emulation for Power System Applications,” Power Engineering Society General Meeting, June 18-22, 2006.

M. Kleinberg, K. Miu, and C. Nwankpa, “Radial Distribution Power Flow Studies in a Remotely Distributed Environment,” Proceedings of the 2006 International Symposium on Circuits and Systems (ISCAS 2006),May 2006, Island of Kos, Greece.

C. Nwankpa, A. Deese, Q. Liu, A. St. Leger and J. Yakaski “Power System on a Chip (PSoC),” Proceedings of the 2006 International Symposium on Circuits and Systems (ISCAS 2006), Island of Kos, Greece, May 21-24, 2006.

C. Nwankpa, A. Deese, Q. Liu, A. St. Leger, and J. Yakaski, “Power System on a Chip (PSoC),” Proceedings of the 2006 International Symposium on Circuits and Systems, ISCAS ’06, May 21-24, 2006.

2005

A. St. Leger and C. Nwankpa, “Reconfigurable Transmission Line Model for Analog Power Flow Computation,” Proceedings of the 15th Power Systems Computation Conference, Liege, Belgium, August 22-26, 2005.

X. Yang, S. Carullo, K. N. Miu, C. Nwankpa, “Reconfigurable Distribution Automation and Control Laboratory: Multi-phase, Radial Power Flow Experiment,” IEEE Transactions on Power Systems, Vol. 20, No. 3, Aug. 2005, pp. 1207-1214.

A. St. Leger, “Transmission Line Modeling for the Purpose of Analog Power Flow Computation of Large Scale Power Systems,” M.Sc. in Electrical Engineering. Philadelphia: Drexel University, 2005

A. Golder, K. Miu, C. Nwankpa, S Carulla, “Remote Hardware Power System Loading Studies over the World Wide Web” Power Symposium, 2005. Proceedings of the 37th Annual North American, Oct.23-25, 2005

J. Yakaski, Q. Lui, and C. Nwankpa, “Analog Emulation Using A Reconfigurable Classical Generator Model for Load Flow Analysis,” Proceedings of 2005 Power Systems Computation Conference, PSCC ’05, Aug. 22-26, 2005.

S. Tong, M. Kleinberg, K. Miu, “A Distributed Slack Bus Model and Its Impact on Distribution System Application Techniques,”International Symposium on Circuits and Systems, Kobe, Japan, May 23-26, 2005

S. Tong and K. N. Miu, “A Network-Based Distributed Slack Bus Model for DGs in Unbalanced Power Flow Studies”, IEEE Transactions on Power Systems, Vol. 20, No. 2, May 2005, pp. 835-842

2004

J. Yakaski and C. Nwankpa, “Insight into Reconfigurable Analog Emulation of the Classical Generator Model”, Proceedings of the 36th Annual North American Power Symposium, University of Idaho, Moscow, Idaho, August 9-10, 2004, pp. 281-286.

2003

J. Wan and K. N. Miu, “Weighted Least Squares Methods for Load Estimation in Distribution Networks”, IEEE Transactions on Power Systems, Vol. 18, No. 4, Nov. 2003, pp. 1338 – 1345.

Y. Mao and K. N. Miu, “Switch Placement to Improve System Reliability for Radial Distribution Systems with Distributed Generation”, IEEE Transactions on Power Systems, Vol. 18, No. 4 Nov. 2003 , pp. 1346 – 1352.

“The development of a comprehensive power distribution system curriculum” accepted by Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition

2002

“3-phase converter modeling for unbalanced radial systems” K. Miu, C.O. Nwankpa, D. Niebur, R. Stoicescu, X. G. Yang; Transmission and Distribution Conference and Exhibition 2002: Asia Pacific. IEEE/PES , Volume: 1 , 2002.

“Hardware design and layout of a Reconfigurable power distribution automation and control laboratory (RDAC)” K. Miu, C. Nwankpa, X. G. Yang, A. Madonna, Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition

R. Stoicescu, K. N. Miu, C. Nwankpa, D. Niebur, X. Yang, “Three-phase converter models for unbalanced radial power-flow studies,” IEEE Transactions on Power Systems, Vol. 17, No. 4, Nov. 2002, pp. 1016-1021.

2001

“Setup of RDAC-a reconfigurable distribution automation and control laboratory”, Xiaoguang Yang; Bruni, C.; D. Cheung, Yiming Mao; G. Sokol, K. Miu, C.O. Nwankpa, Power Engineering Society Summer Meeting, 2001, IEEE, Volume: 3, 2001.

2000

K. N. Miu, H.-D. Chiang and R. J. McNulty, “Multi-Tier Service Restoration through Network Reconfiguration and Capacitor Control for Large-Scale Radial Distribution Systems,” IEEE Transactions on Power Systems, Vol. 15, No. 3, Aug. 2000, pp. 1001-1007.

K. N. Miu and H.-D. Chiang, “Existence, Uniqueness and Monotonic Properties of the Feasible Power Flow Solution for Radial Three-Phase Distribution Networks,” IEEE Transactions on Circuits and Systems, Vol. 47, No. 10, Oct. 2000, pp. 1502-1514.

K. N. Miu and H.-D. Chiang, “Electric Distribution System Load Capability: Problem Formulation, Solution Algorithm and Numerical Results,” IEEE Transactions on Power Delivery, Vol. 15, No. 1, Jan. 2000, pp. 436-442.

1990s

Ó L. Y. Bahar and H. G. Kwatny, “Dynamic Response of Some Dissipative Systems by Means of Functions of Matrices, Jrl. of Sound and Vibration, Vol. 137, No. 3, pp. 433-442, 1990.

Ó L. Y. Bahar and H. G. Kwatny, “Dynamic Response of Some Dissipative Systems by Means of Functions of Matrices, Jrl. of Sound and Vibration, Vol. 137, No. 3, pp. 433-442, 1990.

H. G. Kwatny and Xiao-Ming Yu, “Energy Analysis of Load-Induced Flutter Instability in Classical Models of Electric Power Networks,” IEEE Trans on Circuits and Systems, Vol. 36, No. 12, pp. 1544-57, Dec.1989.

Ó L. Y. Bahar and H. G. Kwatny, “Dynamic Response of Some Dissipative Systems by Means of Functions of Matrices, Jrl. of Sound and Vibration, Vol. 137, No. 3, pp. 433-442, 1990.

L. Y. Bahar and H. G. Kwatny, “Dynamic Response of Some Dissipative Systems by Means of Functions of Matrices,” Journal of Sound and Vibration, Vol. 137, No. 3, pp. 433-442, 1990.

R. Fischl, M. Kam, J-C Chow, H. Yan, “On the Design of Neural Networks for Classifying Power System Contingencies,”10th Power System Computation Conference, Graz, Austria, Aug. 19-24, 1990.

M. Kam, R. Fischl, J-C Chow, H. Yan, “On the Design of Neural Networks for Classifying Power System Contingencies,” Proc. of 1990 Inter. Circuit and System Symposium, New Orleans, LA, May 1990.

C. O. Nwankpa and S. M. Shahidehpour, “Colored noise modeling in the reliability evaluation of electric power systems,” Journal of Applied Mathematical Modeling, Vol. 14, No. 7, pp. 338–351, July 1990.

C. O. Nwankpa and S. M. Shahidehpour, “A class of power network reliability problems via colored noise modeling,” Proceedings of IEEE International Symposium on Circuits and Systems, New Orleans, La, May 1–3, 1990, pp. 164-167.

C. O. Nwankpa and S. M. Shahidehpour, “Effect of small load fluctuations on power system voltage stability studies,” Proceedings of American Control Conference, San Diego, Ca., May 23–25, 1990, pp. 2106–2110.

C. O. Nwankpa and S. M. Shahidehpour, “A new approach to the indication of voltage collapse in electric power systems,” Proceedings of 10th Power Systems Computation Conference, Graz, Austria, August 19–24, 1990.

X. G. Yang and R. J. Zhou, “Active noise control with the genetic algorithm,” Fifth International Conference on Control Automation, Robotics and Vision Conference, 1998.

1980s

C. Rorres, A. Orbach, R. Fischl, “Optimal and Suboptimal Control Policies for a Solar Collector System”, IEEE Transactions on Automatic Control, Vol. AC-25, No. 6, December, 1980.

A. Orbach, R. Fischl, “Control and Sensitivity Analysis of Liquid Flat-Plate Solar Collector Systems,” Proc. of 1980 Int. Symp. on Circuits and Systems, Houston, 1980

T.F. Halpin, R. Fischl, “On the Identification of Power System Steady-State Security Region: The Slack Bus Selection”, Proc. of 12th Annual Midwest Power Symposium, Purdue University, October 1980.

F.M. Massimo, H.G. Kwatny and L.Y. Bahar, “Derivation of the Brayton-Moser Equations From a Topological Mixed Potential Function”, Proceedings 17th Allerton Conference on Communication, Control and Computing, pp. 410-419, October, 1979; and Jrl. Franklin Institute, Vol. 310, No. 45, pp. 259-269, October/November, 1980.

R. Fischl, P.R. Herczfeld, A. Orbach, “Modeling and Simulation of Flat Plate Collectors for Fluid Flow Control Studies”, Proc. of International Conference on Cybernetics and Society, Atlanta, Georgia, pp. 592-9, October 1981.

T.F. Halpin, R. Fischl and P.R Herczfeld, “Operating a Distributed Photovolatic Power Generation System at a Residential Site,” Proceedings of the 1981 ASME Solar Energy Division Third Annual Conference on System Simulation, Economic Analysis/Solar Heating and Cooling Operational Results, Reno, Nevada, April 27- May 2, 1981.

A. Orbach and C. Rorres, R. Fischl, “Optimal Control of a Solar Collector Loop Using A Distributed-Lumped Model”, Automatica, Vol. 17, No. 3, pp.525-539, 1981.

S.J. Sokolowski, M.J. Fisher, P.R. Herczfeld, R. Fischl and R. Wolfson, “Computer Simulation for Evaluating Control Strategies”, Proc. of ASME-ASEEA Conference, Reno, Nevada, April, 1981.

P.R. Herczfeld, G. Vardakas, R. Fischl, “Experimental Validation of Dynamic Control Models”, Proc. of ASME-ASSEA Conference, Reno, Nevada, April, 1981.

R. Fischl, A. Guvenis, and T.F. Halpin, “Statistical Power Transmission Network Design”, IEEE Transactions on Circuits and Systems, Vol. CAS-29, No.10, pp. 679-87, October 1982.

M. Sugisaka, R. Fischl, P. Kalata, P.R. Herczfeld and C. Rorres, “Filtering Algorithm for Estimating Fluid Temperature Profile in Solar Collectors Under Flow and Stagnant Conditions”, 6th IFAC Symposium on Identification and System Parameter Estimation, Washington D.C., June 7-11, 1982.

M. Ilic-Spong and M.W. Spong, R. Fischl, “A No Gain Theorem for Steady-State Electric Power Systems with Losses”, Proceedings of the IEEE 1982 International Large Scale Systems Symposium, pp. 448-52, October, 1982.

H.G. Kwatny, F.M. Massimo and L.Y. Bahar, “The Generalized Lagrange Formulation for Nonlinear RLC Networks”, IEEE Trans. on Circuits and System, Vol. CAS-29, No. 4, pp. 220-233, April, 1982.

R. Fischl, T.F. Halpin, and A. Guvenis, “The Application of Decision Theory to Contingency Selection,” IEEE Transactions on Circuits and Systems, vol. CAS-30, no. 11, pp. 712-23, November 1982.

J.J. Helferty, R. Fischl, “On the Selection of a Security Index for Monitoring the Size of Security Regions,” Proc. of 1983 Midwest Power Symposium, Ames, Iowa, October 1983.

L. H. Fink, K. Carlen, R. Fischl, H. B. Puttgen, “Power System Security Assessment: Monitoring of Contingent Voltage Levels,” Proc. of 23rd IEEE CDC Conference, Las Vegas, NV, Dec. l2-l4, l984.

R. Fischl, T. F. Halpin and R. Fink, “Analysis of Automatic Contingency Selection Algorithms,” IEEE Trans. on Power Apparatus and Systems, vol. PAS-l03, no. 5, pp 938-945, May l984.

F. Mercede, R. Fischl, “On the Modeling of Dynamic Security Regions of Power Systems,” Proc. of the 1984 Midwest Power Symposium, Drexel University, Philadelphia, PA, October 1984.

M. Ilic-Spong, M. W. Spong, R. Fischl, “The No Gain Theorem and Localized Response for the Decoupled P-q Power Network with Active Power Losses Included,” IEEE Transactions on Circuits and Systems, Vol. CAS-32, No. 2, pp170 February, l985.

H.G. Kwatny, L.Y. Bahar and A.K. Pasrija, “Energy-Like Lyapunov Functions for Power System Stability Analysis,” IEEE Trans. on Circuits and Systems, Vol. CAS-32, No. 11, pp. 1140-1149, November 1985.

H.G. Kwatny, L.Y. Bahar and A.K. Pasrija, “Energy-Like Lyapunov Functions for Power System Stability Analysis,” IEEE Trans. on Circuits and Systems, Vol. CAS-32, No. 11, pp. 1140-1149, November 1985.

L.Y. Bahar and H.G. Kwatny,  “Conservation Laws for Dissipative Systems Possessing Classical Normal Modes,” Jrl. of Sound and Vibration, Vol. 102, No. 4, pp. 551-562, October 1985.

R. Fischl, F. Mercede, “Performance Indices for Measuring the Robustness of Power System Operation,” Proc. of 1985 IEEE Int. Symp. on Circuits and Systems, Kyoto, Japan, June 5-7, l985.

R. Fischl, F. Mercede, F. F. Wu and H-D Chiang, “A Review of Dynamic Security Indices Based on Direct Methods”, Proc. of the 24th IEEE Conference on Decision and Control, Fort Lauderdale, FL, Dec.ll-l3, l985.

H.G. Kwatny, A.K. Pasrija and L.Y. Bahar, “Static Bifurcations in Electric Power Networks: Loss of Steady State Stability and Voltage Collapse,” IEEE Trans on Circuits and Systems, Vol. CAS-33, No. 10, pp. 981- 991, October, 1986.

L. Zaragocin, R. Fischl, F. Mercede, H. Yan, R. O’Connell, J. Chow, C. Tsay, “A Review of Methods for Predicting Voltage Collapse,” 1986 North American Power Symposium, Cornell University, Oct. 1986.

L. Zaragocin, F. Mercede, H. Yan, “Power System Models for Voltage Collapse,” Proc. of International Symposium on Circuits and Systems, San Jose, CA., May, 1986.

S. Sokolowski, R. Fischl, “An Algorithm for Computing the Degree of Controllability of a Discrete Time, Bounded Input, Regulator Problem,” Proc. of 5th Automatic Control Conference, Seattle, Washington, June, 1986.

J. Helferty, R. Fischl, T. Brisbane, “Solar Collector Loop Modeling & Experimental Validation for Distributed Parameter Models,” 4th IFAC Symposium, pp.1015-, Los Angeles, CA, June, 1986.

R.Fischl, T.F. Halpin, J.J. Helferty, V. Gershman, F. Mercede, “An Algorithm for Automatically Tuning the Weights of Performance Indices for Monitoring Power System Loading or Security,” IEEE Trans. on Power Systems, vol. PRWS-1, no. 3, pp. 207-213, 1986.

R. Fischl, F. Mercede, F. Wu and H-D Chiang, “A Comparison of Dynamic Security Indices Based on Direct Methods,” Proc. of 9th PSCC, August 30-Sep. 4, 1987.

F. Mercede, R. Fischl, F. F. Wu, H-D Chiang, “A Comparison of Dynamic Security Indices Based on Direct Methods,” 9th Power Systems Computation Conference, Aug. 30-Sept. 4, 1987, Lisbon, Portugal.

J.J. Helferty, T. Jurand, R. Fischl, M. Sugisaka, T. Matsuo, “Solar Collector Loop Parameter Identification Using Distributed Parameter Models from Experimental Date,” 18th Pittsburgh Conf. on Modeling and Simulation, Pittsburgh, PA, April 23-4, 1987

Ó L.Y. Bahar and H.G. Kwatny, “Extension of Noether’s Theorem to Constrained Nonconservative Dynamical Systems, Int. Jrl. Nonlinear Mech.,vol.22, no.2, pp.125-38, 1987.

J. Helferty, T. Brisbane, M. Sugasaki, D. Anand, “On the Selection of Distributed Parameter Models for Studies of Solar Energy Systems,” ASME-JSME-JSES Solar Energy Conference, Hawaii, March, 1987.

D. Anand, K. Lindler, J. Helferty, R. Fischl, “Dynamic Performance & Control Simulation of Absorption Systems,” Proc of ASME-JSME-JSES Solar Energy Conference, Hawaii, March, 1987.

F. Mercede, R. Fischl, F. Wu, H-D Chiang, “A Comparison of Dynamic Security Indices Based on Direct Methods,” International Journal of Electrical Power and Energy Systems, Vol. 10, No. 4, pp. 210-232, Oct. 1988.

C. C. Liu and R. Fischl, “An Expert System for Voltage Security Assessment,” Proc. of Symp. on Expert Systems Application to Power Systems, Stockholm, Sweden, August 22-26, 1988, pp. 15-1 – 15-6.

H.G. Kwatny, A.K. Pasrija and L.Y. Bahar  “Static Bifurcations in Electric Power Networks: Loss of Steady State Stability and Voltage Collapse,” IEEE Trans on Circuits and Systems, Vol. 33, No. 10, Oct. 1986.

R. Fischl, J-C Chow, H. Yan, F. Mercede and F.F. Wu,  “A Comparison of Indices for Predicting Voltage Collapse In Power Systems,” Proc. of 27th CDC Conference, Dec. 1988, Austin, TX.

F. Mercede, J-C Chow, H. Yan and R. Fischl, “A Framework to Predict Voltage Collapse in Power Systems,” IEEE Trans. on Power Systems, vol. PWRS-3, No.4, pp. 1807-13, Nov. 1988.

R. Fischl, F. Mercede, F. Wu and H-D Chiang, “A Comparison of Dynamic Security Indices Based on Direct Methods,” International Journal of Electrical Power and Energy Systems, pp. 210-232, Oct. 1988.

R. Fischl and F. Mercede, “Can Voltage Security Indices Predict Voltage Collapse Problems in Large Scale Power Networks,” Proc. of 1988 IEEE Int. Symp. on Circuits and Systems, Helsinki, Finland, June 1988, pp. 665-668.

M. Sugisaka, R. Fischl, P. Herczfeld, P. Kalata, C. Rorres, “Filtering Algorithm for Estimating Fluid Temperature Profile in Solar Collectors,” Automatica, Vol. 24, No. 3, pp 211-14, May 1988

R. Fischl and E. Stagliano, “Electrical Terminations”, Construction Industry Final Report, Dec. 1988

R. Fischl, K. Pourrazseai and C. Grytko, “Solid State Circuit Breaker,” Advanced Technology Center SPD Final Report, Nov 1988

C.C. Liu, K. Vu, R. Fischl and J-C Chow, “An Extended Study of Dynamic Voltage Collapse Mechanism,” Proc . of the 28th CDC Conference, Dec. 1989, Tampa, Fl.
R. Fischl, “Performance Indexes for Predicting Voltage Collapse,” EPRI Report No. EL-6461, July 1989.

J-C Chow, R. Fischl and H. Yan, “On The Evaluation of Voltage Collapse Criteria,” Proc. of the 16th PICA Conference, May 1-5, 1989, Seattle, WA.

R.Fischl,  “Decision Support Framework For Evaluating Voltage Collapse Criteria,” Proceedings of Engineering Foundation Workshop on Bulk Power Voltage Phenomena – Voltage Stability and Security, EPRI Report No. EL-6183, pp 7-59 – 7-109, Jan. 1989

H. G. Kwatny and Xiao-Ming Yu, “Energy Analysis of Load-Induced Flutter Instability in Classical Models of Electric Power Networks,” IEEE Trans on Circuits and Systems, Vol. 36, N0. 12, pp. 1544-57, Dec.1989.

M. Kam, J-C Chow, R. Fischl, and S. Ricciardi, “Screening Power System Contingencies using Back Propagation Trained Multi-Perceptrons,” Proc. of 1989 IEEE Int. Symp. on Circuits and Systems, Portland, OR, pp. 1835-8, May 1989.

C. Tsay, R. Fischl and K. Pourrezaei, “A Computer-Aided GTO Model for Power Electronic Circuit Design,”, Proc. of 1989 IEEE Int. Symp. on Circuits and Systems, Portland, OR, pp 1835-8, May 1989.

C. O. Nwankpa, S. M. Shahidehpour and J. Qiu, “A class of load perturbations in reliability evaluation of electric power systems,” Journal of Electric Machines and Power Systems, Vol. 17, No. 4, pp. 233–257, 1989.

C. O. Nwankpa and S. M. Shahidehpour, “A probabilistic approach to bulk power transmission systems analysis,” Proceedings 21st North American Power Symposium, Oct. 1989, Rolla, Mo., pp. 88–94.

C. O. Nwankpa and S. M. Shahidehpour, “Inclusion of small random perturbations in structure preserving model for power systems reliability studies,” Proceedings of IASTED Conf.: Power High Tech ’89, Valencia, Spain, July, 1989, pp. 471-475.

1970s

W. Puntel, R. Fischl, “A Method for Improving Power System Transient Stabilities Using Dynamically Responsive DC Transmission Lines”, Paper No.70 CP 671-PWR, IEEE Summer Power Meeting, Los Angeles, California, 1970.

R. Fischl, W.R. Puntel, “Efficient Method for Computing Electrical Power Transmission Network Sensitivities”, Paper No. C72-167-0, IEEE Winter Power Meeting, New York, N.Y., January 1972.

H.G. Kwatny, T.E. Bechert, “On the Optimal Dynamic Dispatch of Real Power”, IEEE Trans. on Power Apparatus and Systems, Vol. PAS-91, No. 3, pp. 889-898, May/June, 1972.

W.R. Puntel, R. Fischl, “Computer Aided Design of Electric Power Transmission Networks”, Paper No. C72-168-8, 1972 Winter Power Meeting, New York, N.Y. January 1972.

H.G. Kwatny, K.C. Kalnitsky, A.D. Bhatt, “An Optimal Tracking approach to Load-Frequency Control, IEEE Trans. on Power Apparatus and Systems, Vol. PAS-94, No. 5, pp. 1635-1693, September/October, 1975.

R. Fischl, “Optimal System Expansion: A Critical Review”, , Proceedings of ERDA System Engineering Conference on Power: Status and Prospects, Henniker, New Hampshire, August 1975, pp. 233-260.

W. Schiefele, R. Fischl, “Electric Power Transmission Network Planning by Nonlinear Mixed-Integer Programming,” MACC Conference Proceedings, Milwaukee, Wis., April 1975.

R. Fischl, G.C. Ejebe, J.A. DeMaio, “Identification of Power System Steady-State Security Regions Under Load Uncertainty”, Paper No. A76-495-2, IEEE Summer Meeting, Portland, July, 1976.

R. Fischl, J. DeMaio, “Fast Identification of the Steady-State Security Region for Power System Security Enhancement,” Paper No. A-76-076-0, IEEE Winter Power Meeting, New York, January 1976.

R.B. Adler, R. Fischl, “Security Constrained Economic Dispatch With Participation Factors Based on Worst Case Bus Load Variations,”IEEE Trans. on Power Apparatus and Systems, Vol. PAS-96, No. 2, pp. 347-356, March/April 1977.
H.G. Kwatny, T.A. Athay, “Coordination of Economic Dispatch and Load-Frequency Control in Electric Power Systems,” Proceedings 19th Conference on Decision and Control, pp. 703-714, 1977

R. Fischl, W.J. Huckins, T.F. Ho, S. Hurtak, “Methods in Transmission Network Expansion Planning”, Paper No. A77-504-4, 1977 IEEE Summer Meeting, Mexico City, Mexico, July 1977.

T.F. Ho, R. Fischl, “Identification of a Set of Reliable Transmission Expansion Plans Within a Given Budget: Part I – The Algorithm for Identifying the Design Set,” 1977 PICA Conference Proceeding, pp. 106-113, Toronto Canada, May 1977.

T.F. Ho, R. Fischl, “Identification of a set of Reliable Transmission Expansion Plans Within a Given Budget: Part II – Algorithm for Identifying the Design Set”, 1977 PICA Conference Proceeding, Toronto, Canada, May 1977.

R. Fischl, R.G. Wasley, “Efficient Computation of Optimal Load Flow Sensitivities,” IEEE Canadian Comm. Power Conference, IEEE publication, CH 1373-0, pp. 401-4, 1978

R.B. Adler, R. Fischl, “Secure Allocation of Regulation Reserve in the Presence of Bus Demand Uncertainty,” Paper No. F78-009-3, 1978 IEEE Winter Meeting, New York, N.Y., January 1978.

T.F. Halpin, R. Fischl, P.R. Herczfeld, D.B. Stewart, “Integrated Solar Electric-Utitlty System for a Residence Using Load Management” Proc. of 1978 Annual Meeting of Int. Solar Energy Soc., Vol. 1, pp. 351-8, Denver, Co., August 1978.

A. Orbach, P.R. Herczfeld, R. Fischl, “Flow Control in Solar Heating and Cooling Applications,” Proc. of 1978 Annual Meeting of AS of Int. Solar Energy Soc., Vol. II, pp. 488-492, Denver, Co. August 1978.

R. Fischl, P.R. Herczfeld, T.F. Halpin, D.B. Stewart, “Design of Integrated-Electric Solar-Utility Systems for Peak Load Shaving”, Paper No A-79-102-5, IEEE Winter PES Meeting, New York, N.Y., January, 1979.

1960s

L.H. Fink, H.G. Kwatny,  J.P. McDonald “Economic Dispatch of Generation via Valve Point Loading,” IEEE Trans. on Power Apparatus and Systems, vol. PAS-88, no. 6, pp. 805-811, June, 1969.

Drexel University Department of Electrical and Computer Engineering