[gravatar email=”wu@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]Dr. N. Wu received the Bachelor of Engineering degree from Tsinghua University, China in 2001 and the PhD from Purdue University in 2006. He is currently a Senior Engineer at PCKA where he has conducted research in the modeling and simulation of shipboard and vehicular electric/propulsion systems. . Please add more about your PCKA activities. His research interests include average-value modeling of power-electronic systems, design and modeling of finite electric systems, and distributed simulation of complex dynamic systems. Selected Publications N. Wu, O. Wasynczuk, “An Automated Average-Value Modeling Methodology for Power Electronic Sources and Loads,” SAE Transactions Journal of Aerospace, vol. 115, March 2007, pp. 846-855. N. Wu, C. Rands, C. E. Lucas, E. A. Walters, M. Hasan, D. Aliprantis, M. A. Masrur, “Distributed Heterogeneous Simulation of a Hybrid-Electric Vehicle,” 4th International Energy Conversion Engineering Conference and Exhibit , month 2006, San Diego, CA. N. Wu, C. E. Lucas, C. Rands, I. E. Simpson, D. C. Aliprantis, M. A. Masrur, “Distributed Heterogeneous Simulation of a Hybrid-Electric Vehicle Drive System Using the Simplorer Software Product,” 2006 SAE Power Systems Conference, November 7-9, 2006, New Orleans, LA. D. C. Aliprantis, O. Wasynczuk, N. Wu, C. E. Lucas, A. Masrur, “Automated Evolutionary Design of a Hybrid Electric Vehicle Power System Using Distributed Heterogeneous Optimization,” 2006 SAE Power Systems Conference, November 7-9, 2006, New Orleans,...
Read MoreJason R. Wells
[gravatar email=”wells@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]J. R. Wells received the BSEE, MSEE, and PhD from the University of Illinois at Urbana-Champaign in 2000, 2003, and 2005, respectively.  He is currently a Director of Engineering Services at PCKA. In this position, he serves as principal investigator  and technical lead of numerous research and development efforts including simulation software development efforts as well as modeling, simulation, analysis, and design of More Electric Aircraft (MEA) power and distribution systems. In this latter role, he has developed several design changes that have markedly improved the overall performance of the systems. His research interests include modeling, simulation, and control of electric machinery and power electronics and he has authored or co-authored over 20 technical papers. Selected Publications J. R. Wells, “Utilization of Ultra-Capacitors in an Electrical Accumulator Unit for a More-Electric Aircraft,” Advanced Capacitors World Summit 2009, March 2009. M. Amrhein, J. R. Wells, E. A. Walters, A. F. Matasso, T. R. Erdman, S. M. Iden, P. T. Lamm, A. M. Page, I. H. Wong, “Integrated Electrical System Model of a More Electric Aircraft Architecture,” 2008 SAE Power Systems Conference, November 11-13, 2008, Bellevue, WA. Paper #2008-01-2899. J. R. Wells, S. M. Iden, M. Amrhein, E. A. Walters, A. F. Matasso, P. T. Lamm, “Electrical Accumulator Unit (EAU) for the Energy Optimized Aircraft,” 2008 SAE Power Systems Conference, November 11-13, 2008, Bellevue, WA.      . J. K. Engelsman, J. R. Wells, E. A. Walters, P. T. Lamm, M. Daniels, “Development of a Simulation Model for an Aircraft Electrical Main Generator,” Proceedings Applied Power Electronics Conference, February  2008, pp. 1679-1684. Khaligh, J. R. Wells, P. L. Chapman, P. T. Krein, “Dead-Time Distortion in Generalized Selective Harmonic Control,” IEEE Transactions on Power Electronics, vol. 23, May 2008, pp. 1511 – 1517. S. Iden, J. R. Wells, “Challenges of the More Electric Aircraft Optimal Architecture and Controls,” (Keynote Address), Proceedings IEEE Workshop on Evolvable and Adaptable Hardware, April 2007. J. R. Wells, “Modeling and Simulation of Power Electronics/Machines,” (Professional Education Seminar), Applied Power Electronics Conference, February 2007. E. A. Walters, S. Pekarek, J. R. Wells, B. P. Loop, “Multi-Fidelity Models for Design and Analysis of Directed Energy Weapon Power Systems,” Directed Energy Professional Society Symposium, October 2006. S. Ramalingam, A. Green, P. Lamm, H. Barnard, E. A. Walters, J. R. Wells, “Integrated Hardware-in-the-Loop Simulation of a Complex Turbine Engine and Power System,” 2006 SAE Power Systems Conference, November 7-9, 2006, New Orleans, LA. M. Corbett, J. Williams, M. Wolff, E. A. Walters, J. R. Wells, “Transient Turbine Engine Modeling and Real-Time System Integration Prototyping,” 2006 SAE Power Systems Conference, November 7-9, 2006, New Orleans, LA. J. R. Wells, P. L. Chapman, P. T. Krein, “Modulation Based Harmonic Elimination,“ IEEE Transactions on Power Electronics, vol. 22, issue 1, January 2007, pp. 336-340. M. Amrhein, J. W. Kimball, A. Kwasinski, J. T. Mossoba, B. Nee, Z. Sorchini, W. W. Weaver, J....
Read MoreOleg Wasynczuk
[gravatar email=”wasynczuk@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]O. Wasynczuk received BSEE from Bradley University in 1976 and a MSEE and PhD from Purdue University in 1977 and 1979, respectively. He is a Professor in the School of Electrical and Computer Engineering at Purdue University and he is the Chief Technical Officer (CTO) and Research Fellow for PCKA. He is a principle co-inventor of the ASMG and DHS. His areas of interest are power system dynamics, control, finite element analysis and design of electromechanical devices. He has authored or co-authored over 50 high – level journal papers and has co-authored three books entitled “Analysis of Electric Machinery”, “Analysis of Electric Machinery and Drive Systems”, and “Electromechanical Motion Devices.” He is a Fellow of IEEE. Selected Publications D. Aliprantis, O. Wasynczuk, “A Voltage-Behind-Reactance Synchronous Machine Model with Saturation and Arbitrary Rotor Network Representation,” IEEE Transactions on Energy Conversion, vol. 23, no. 2, June 2008, pp. 499-508. N. Wu, O. Wasynczuk, “An Automated Average-Value Modeling Methodology for Power Electronic Sources and Loads,” SAE Transactions Journal of Aerospace, month 2007, pp. 846-855. W. Zhu, S. Pekarek, J. Jatskevich, O. Wasynczuk, D. Delisle, “A Model-in-the-Loop Interface to Represent Source Dynamics in a Hardware Based DC Distribution Testbed,” IEEE Transactions on Power Electronics, vol. 20, no. 2, March 2005, pp. 438-445. C. E. Lucas, E. A. Walters, O. Wasynczuk, P. T. Lamm, “An Algorithm for the Optimal Allocation of Subsystem Simulations within a Distributed Heterogeneous Simulation,” SAE Transactions Journal of Aerospace, Paper #2004-01-3183, month year, pp. 1871-1878. M. Belkhayat, O. Wasynczuk, “Stability Analysis of AC Power Systems with Regulated Electronic Loads,” SAE Transactions Journal of Aerospace, month 1998, pp. xxxx. O. Wasynczuk, S. D. Sudhoff, P. C. Krause, “Maximum Torque Per Ampere Induction Motor Drives – An Alternative to Field-Oriented Control,” SAE Transactions Journal of Aerospace, month 1998, pp. xxx. SAE Aerospace Power Systems Conference Best Paper Award. S. D. Pekarek, E. A. Walters, T. L. Skvarenina, O. Wasynczuk, “An Automated State Model Generation Algorithm for Simulation/Analysis of Power Systems with Power Electronic Components,” SAE Transactions Journal of Aerospace, month 1998, pp. xxx. S. D. Pekarek, O. Wasynczuk, “An Efficient and Accurate Voltage Behind-Reactance Model of Synchronous Machines for Simulation and Analysis of Machine-Converter Systems,” IEEE Transactions on Energy Conversion, vol. 13, no. 4, March 1998, pp. 42-48. O. Wasynczuk, S. D. Sudhoff, “Automated State Model Generation Algorithm for Power Circuits and Systems,” IEEE Transactions on Power Systems, vol. 11, no. 9, November 1996, pp. 1951-1956. O. Wasynczuk, S. D. Sudhoff, T. D. Tran, D. H. Clayton, H. J. Hegner, “A Voltage Control Strategy for Current-Regulated PWM Inverters,” IEEE Transactions on Power Electronics, vol. 11, no. 1, January 1996, pp....
Read MoreEric A. Walters
[gravatar email=”walters@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]E. A. Walters received the BSEE, MSEE, and PhD from Purdue University in 1994, 1995, and 1999, respectively. His interests include the modeling of power-electronics-based power systems and Distributed Heterogeneous Simulation (DHS). He is currently Vice President and Chief Operating Officer (COO) for PCKA.  Please update PCKA work/leadership. He has served as principal investigator for an Air Force SBIR Phase III Contract involving the DHS of an Aircraft Power System. He has previously served as the principle investigator the Marine Corp STTR Phases I, II, and Enhancement entitled Multi-Level Heterogeneous Modeling of AAAV Electric Power System, and the Integrated Power and Propulsion Simulation/Modeling (IPPoSMo) Program in support of the future Global Hawk platform. He is a co-inventor of DHS and has authored or co-authored over 25 papers in the area of modeling and simulation. Selected Publications E. A. Walters, M. Hasan, C. E. Lucas, O. Wasynczuk, P. T. Lamm, “Variable Communication Rates in a Distributed Simulation,” Proceeding 3rd International Energy Conversion Engineering Conference, August 15-18, 2005, San Francisco, CA. S. Graham, I. Wong, W. Chen, A. Lazarevic, K. Cleek, E. A. Walters, C. E. Lucas, O. Wasynczuk, P. Lamm, “Distributed Simulation,” Aerospace Engineering, November 2004, pp. 24-27. C. E. Lucas, E. A. Walters, J. Jatskevich, O. Wasynczuk, P. T. Lamm, “A Distributed Heterogeneous Simulation of a Representative Aircraft Power System,” Proceedings 2002 SAE Power Systems Conference, October 29-31, 2002, Coral Spring, FL. S. D. Pekarek, E. A. Walters, “An Accurate Method of Neglecting Dynamic Saliency of Synchronous Machines in Power Electronic Based Systems,” IEEE Transactions on Energy Conversion, vol. 14, no. 4, December 1999, pp....
Read MoreIsaiah Simpson
[gravatar email=”simpson@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]Isaiah Simpson joined PCKA as an intern in 2005. He has worked full-time since receiving a BSECE from Purdue University in 2007. He is a software engineer for the FastSim product group, specializing in application and framework development. His areas of expertise include graphical user interface design, networking, and UNIX platform development in C, C++, and Java. He has worked in the IT and Software Development industries, with more than 5 years experience. Selected Publications N. Wu, C. E. Lucas, Curtis Rands, I. E. Simpson, Dionysios C.    Aliprantis, M. Abul Masrur, “Distributed Heterogeneous Simulation of a Hybrid-Electric Vehicle Drive System Using the Simplorer Software Product,” 2006 SAE Power Systems Conference, November 7–9, 2006, New Orleans, LA, Paper...
Read MoreGreg Russell
[gravatar email=”russell@pcka.com” class=”alignleft” size=”96″ default=”https://pcka.com/wp-content/uploads/2010/08/gravatar.jpg”]Greg Russell received a BSAE and MSAE from Syracuse University in 1989 and 1993, respectively. In 2007, he received his PhD from Syracuse University following 11 years of rotorcraft industry experience with Bell Helicopter. While there, he spent six years developing and integrating physics-based simulation models into real-time flight simulators for both manned and unmanned aircraft. His industry and research experiences include rotor dynamics, multi-body dynamics and fly-by-wire flight control systems. In March 2008, he joined PCKA to help coordinate a collaborative research project involving the Air Force Research Laboratory and several major aerospace...
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