People

Welcome to Power and Energy Systems Laboratory

  Wei Qiao (Director)

   Professor, Chair of Electrical Engineering Graduate Program
   Department of Electrical and Computer Engineering
   University of Nebraska-Lincoln
   223N Scott Engineering Center
   Lincoln, NE 68588-0511 USA
   Email: wqiao@engr.unl.edu
   Tel: 402-472-9619 Fax: 402-472-4732

   Education
          Ph.D., 2008 Georgia Institute of Technology, USA
          M.S., 2003 Singapore-MIT Alliance, National University of Singapore
          M.Eng., 2002 Zhejiang University, China
          B.Eng., 1997 Zhejiang University, China

Appointment:
       Professor, Department of Electrical and Computer Engineering, UNL, Aug. 2017-present
       Associate Professor, Department of Electrical and Computer Engineering, UNL, Aug. 2013-2017 
       Harold and Esther Edgerton Assistant Professor, UNL, Mar. 2011-Aug. 2013
       Assistant Professor, Department of Electrical Engineering, UNL, Aug. 2008-Mar. 2011       


Professor Qiao’s research interests cover broad areas of electric power and energy systems, including renewable energy systems (wind, solar, etc.), new electrical energy conversion devices, microgrids, power system control and optimization, condition monitoring, fault diagnosis and prognosis, energy storage systems, power electronics, electric motor drives, and FACTS devices. His research has been sponsored by the National Science Foundation (NSF), Department of Energy (DOE), Department of Transportation (DOT), Nebraska Center for Energy Sciences Research (NCESR), Nebraska Research Initiative (NRI), and industry.

Professor Qiao is an Editor of the IEEE Transactions on Energy Conversion and the IEEE Power Engineering Letters , an Associate Editor of the IEEE Transactions on Power Electronics, the IEEE Journal of Emerging and Selected Topics in Power Electronics, and IET Power Electronics, the Chair of the Sustainable Energy Sources Technical Thrust of the IEEE Power Electronics Society (PELS), and the secretary of the PESL Sustainable Energy Systems Technical Committee.  He was the Corresponding Guest Editor of a special section on Condition Monitoring, Diagnosis, Prognosis, and Health Monitoring for Wind Energy Conversion Systems of the IEEE Transactions on Industrial Electronics from 2014 to 2015, an Associate Editor of the IEEE Transactions on Industry Applications from 2010 to 2013, and the Chair of the Task Force on Intelligent Control for Wind Plants of the IEEE Power & Energy Society (PES) from 2009 to 2013.  In 2011 he established a new IEEE PES/PELS/IAS Joint Student Branch Chapter at UNL and has served as the advisor of the Chapter since then.  He was a Plenary/Tutorials/Townhall Meetings Co-Chair of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE 2015), the Publications Chair of ECCE 2013, and a founding chair of the IEEE Symposium on Power Electronics and Machines in Wind Applications (PEMWA) in 2009.  He served as an Organizing Co-Chair of PEMWA 2016, the Publications Chair of PEMWA 2014, a Technical Program Co-Chair and the Publications Chair of PEMWA 2012, and a Technical Program Co-Chair and Finance Co-Chair of PEMWA 2009.

Professor Qiao was the recipient of a 2010 National Science Foundation CAREER Award, the 2010 IEEE Industry Applications Society (IAS) Andrew W. Smith Outstanding Young Member Award, the 2012 and 2017 UNL College of Engineering Faculty Research & Creative Activity Awards, the 2011 University of Nebraska-Lincoln Harold and Esther Edgerton Junior Faculty Award, and the 2011 UNL College of Engineering Edgerton Innovation Award. He has also received four best paper awards from the IEEE Industry Applications Society, IEEE Power Electronics Society, and IEEE Power & Energy Society.


  Liyan Qu (Associate Director)   

   Assistant Professor   
   Department of Electrical and Computer Engineering
   University of Nebraska-Lincoln
   244N Scott Engineering Center
   Lincoln, NE 68588-0511 USA
   Email: lqu2@unl.edu
   Tel: 402-472-5131 Fax: 402-472-4732

   Education
          Ph.D., 2007 University of Illinois at Urbana-Champaign, USA 
          M.Eng., 2002 Zhejiang University, China
          B.Eng., 1999 Zhejiang University, China


Appointment:

       Assistant Professor, Department of Electrical and Computer Engineering, UNL, Aug. 2012-present 

Professor Qu’s research interests include magnetic materials and devices for electric energy conversion, energy efficiency, renewable energy, numerical analysis and computer aided design of electric machinery and power electronic devices, and dynamics and control of electric machinery. Her research has been sponsored by the National Science Foundation (NSF), Department of Energy (DOE), Nebraska Center for Energy Sciences Research (NCESR), and industry. Professor Qu was the recipient of a 2016 National Science Foundation CAREER Award, the 2016 UNL College of Engineering Faculty Research & Creative Activity Award, and the 2017 UNL College of Engineering Edgerton Innovation Award.

Postdoctoral Researchers


Jun Wang (Postdoc)
 
Education:
Ph.D., Mechanical Engineering, University of Science and Technology of China, 2015
B.S., Mechanical Engineering, Wuhan University of Technology, 2010
Research Interest: Condition monitoring, fault diagnostics and prognostics

Graduate Students


Mohamed Al-Ashery (Ph.D. Student)
Education:
M.S., Electrical Power Engineering, Ain Shams University, Egypt, 2014
M.S., Electrical Power Engineering, Ain Shams University, Egypt, 2008
Research Interest: Power system, renewable energy
Email: m.kareem@huskers.unl.edu

Fa Chen (Ph.D. Student)
Education: 
M.S., Electrical Engineering, Xi'an Jiaotong University, China, 2012
B.S., Electronic Engineering, Chongqing University of Technology, Chongqing, China, 2009
Research Interest: Power electronics, electric motor drives, renewable energy
Email:  fa.chen@huskers.unl.edu

Fangzhou Cheng (Ph.D. Student) (Co-supervising by Prof. Liyan Qu)
Education: 
B.S., Electrical Engineering, Zhejiang University, Hangzhou, China, 2013
Research Interest: Power electronics, renewable energy, condition monitoring
Email: fangzhou.cheng@huskers.unl.edu

Junwei Cui (Ph.D. Student) (Co-supervising by Prof. Liyan Qu)
Education:
M.S., Electrical Engineering, Shanghai Jiaotong University, China, 2007
B.S., Electrical Engineering, North University of China, 2003
Research Interest: 
Magnetic devices
Email: 
junwei.cui@huskers.unl.edu

Cameron Entzminger (Ph.D. Student)
Education:
B.S., Computer Engineering, University of Nebraska-Lincoln, 2017
Research Interest: Power electronics, condition monitoring of electro-energy devices
Email:  
centzminger2@unl.edu


Matthew R. Garberding (Ph.D. Student)
Education:
B.S., Electrical Engineering, Texas A&M University-Kingsville, 2016
Research Interest: Power electronics
Email: 


Chao Jia (Ph.D. Student)
Education:
M.S., Mechnical Engineering, Bejing Institute of Technology, 2016
B.S., Mechnical Engineering, Bejing Institute of Technology, 2012
Research Interest: Electric vehicle
Email: 

 
Jianan Liu (PhD Student)
Education:
M.S.,Electrical Engineering, Harbin Institute of Technology, China, 2015
B.S.,Electrical Engineering, Harbin Institute of Technology, China, 2013
Research Interest: Renewable energy, power system
Email:  jianan1991@huskers.unl.edu

Dingguo Lu (Ph.D. Candidate)
Education:
M.S., Mechanical Engineering, Univesity of Nebraska-Lincoln, 2009
B.S., Mechanical Engineering, Zhejiang University, Hangzhou, China, 2007
Research Interest: 
Wind turbine condition monitoring and fault diagnosis, digital signal processing and multi-body simulation 
Current Position: 
Research Engineer, Mercedes-Benz Research & Development North America, Inc.
Email: stan1860@huskers.unl.edu 

Yayu Peng (Ph.D. Student)
Education:
B.S., Electrical Engineering and Automation, Chongqing University, Chongqing China, 2013
Research Interest: 
Condition monitoring, fault diagnosis and prognosis
Email: 
yayu.peng@huskers.unl.edu 

Josue Campos do Prado (Ph.D. Student)
Education:
B.S., Electrical Engineering, Santa Catarina State University, 2012
Research Interest: Renewable energy, power system
Email:  josue@huskers.unl.edu

Lizhi Qu (Ph.D. Student)
Education:
M.S.,Electrical Engineering, Harbin Institute of Technology, China, 2015
B.S.,Electrical Engineering, Harbin Institute of Technology, China, 2013
Research Interest: Power electronics, electric machines and drives
Email: lizhi.qu@huskers.unl.edu

Haosen Wang (PhD Student) (Co-supervising by Prof. Liyan Qu)
Education:
M.S., Electrical Engineering, Xi'an Jiaotong University, China, 2013
B.S., Electrical Engineering, Xi'an Jiaotong University, China, 2010

Research Interest: Magnetic devices, electrical energy conversion
Email:

Hongmei Wang (Ph.D. Student)
Education:
M.S., Electrical Engineering, Xi'an Jiaotong University, China, 2013
B.S., Electrical Engineering, Harbin University of Science and Technology, China, 2010
Research Interest: Control of power electronic systems
Email: 
 


Dongliang Xiao (Ph.D. Student)
Education: 
M.S.,Electrical Engineering, Harbin Institute of Technology, China, 2015
Research Interest: Renewable energy, electricity market
Email:

Haixiang Zhang (Ph.D. Student)
Education:
M.S.,Electrical Engineering, Sichuan University, China, 2014
B.S.,Electrical Engineering, Sichuan University, China, 2011
Research Interest: Power system security assessment
Email:

Pamungkas Prahara (M.S. Student)
Education: 
B.S., Electrical Engineering, Muhammadiyah University of Yogyakarta, 2011
Research Interest: Renewable energy, electricity market 
Email: 

Ruben Vinan-Velasco (M.S. Student)
Education: 
B.S., Electrical Engineering, Escuela Superior Politecnica del Litoral (ESPOL), Ecuador, 2013
Research Interest: Power electronics
Email:

Undergraduate Students


Matthew Penne (Nov. 2016-present)

Alumni


Ze Wang

Ph.D., August 2012-January 2017
Dissertation Title: Real-Time Internal Temperature Estimation and Health Monitoring for IGBT Modules
Current Position: Power Electronics Design Engineer, Delphi Automotive PLC

Chun Wei
Ph.D., August 2012-August 2016
Dissertation Title: Sensorless Control for Variable-Speed Wind Energy Conversion Systems
Current Position: ABB Corporation

Cong Ma
Ph.D., August 2012-August 2016
Dissertation Title: Torque Ripple and Vibration Reduction of Switched Reluctance Machines
Current Position: R&D Engineer, Nexteer Automotive

Ting Dai
Ph.D., August 2009-August 2015
Dissertation Title: Wind Power Trading in the Competitive Electricity Market
Current Position: Power System Engineer, Siemens Energy Management Division

Jianwu Zeng
Ph.D., August 2010-August 2015  
Dissertation Title: Isolated Multiport Converters for Renewable Energy Conversion and Microgrids
Current Position: Assistant Professor, Department of Electrical & Computer Engineering & Technology, Minnesota State University

Taesic Kim
Ph.D., August 2012-May 2015  
Dissertation Title: Model-Based Condition Monitoring and Power Management for Rechargeable Electrochemical Batteries
Current Position: Assistant Professor, Electrical Engineering and Computer Science Department, Texas A&M University-Kingsville

Zhe Zhang
Ph.D., August 2010-May 2015  
Dissertation Title: Direct Torque Control of Permanent Magnet Synchronous Machines with Applications to Motor Drives and Wind Energy Conversion Systems
Current Position: Senior Motor Control Engineer, Nexteer Automotive

Yue Zhao
Ph.D., August 2010-May 2014  
Dissertation Title: Position/Speed Sensorless Control for Permanent Magnet Synchronous Machines
Current Position: Assistant Professor, Department of Electrical Engineering, University of Arkansas

Xiang Gong
Ph.D., January 2009-August 2012
Dissertation Title: Online Nonintrusive Condition Monitoring and Fault Detection for Wind Turbines
Current Position: Principal Engineer-Controls, McNeilus Truck and Manufacturing, Inc.

Nan Jiang
M.S., Aug. 2014-Dec. 2016
Current Position: Ph.D. student, Department of Computer Science and Engineering, UNL


Clark Lacy
M.S., August 2010-August 2012
Thesis Title: Current-Based Fault Detection for Wind Turbine Generators via Hilbert-Huang Transform
Current Position:  Product Engineer, Vishay Intertechnology, Inc. 

Taesic Kim
M.S., August 2009-August 2012
Thesis Title: A Hybrid Battery Model Capable of Capturing Dynamic Circuit Characteristics and Nonlinear Capacity Effects

Christopher John Lohmeier
M.S., January 2010-December 2011
Thesis Title: Highly Efficient Maximum Power Point Tracking Using a Quasi-Double-Boost DC/DC Converter for Photovoltaic Systems
Current Position:  R&D Engineer, Vishay Dale Electronics, Inc. 

Xiaohang Jin
Postdoc Fellow, Feb. 2015-Jan. 2016
Current Position: Associate Professor, College of Mechanical Engineering, Zhejiang University of Technology, China

Xiaoqing Bai
Postdoc Fellow, Nov. 2011-Oct. 2015
Current Position: Associate Professor, College of Electrical Engineering, Guangxi University, China

Bo Tian
Postdoc Fellow, Feb. 2012-Aug. 2015
Current Position: Postdoctoral Associate, Department of Electrical Engineering, University of South Carolina

Yanping Jiao
Postdoc Fellow, Nov. 2011-Aug. 2013  
Current Position: Neopatents 

Andrew He (UCARE student), June 2014-May 2016
Daniel Rico (UCARE student), Sept. 2015-May 2016
Michael Weskamp, May 2015-May 2016
Jackson Olson, Mar. 2014-Dec. 2015
Brandon Guenther (Undergraduate): Mar. 2014-Aug. 2015
Pedro Silveira Gomes de Paiva (Undergraduate): May-Aug. 2014
Xi He (Undergraduate):  Oct. 2011-Dec. 2013
Kathleen Gegner (Undergraduate):  Aug.-Dec. 2013
Douglas Dietze (Undergraduate): Feb. 2010-Aug. 2011
Daihyun Ha (Undergraduate): Feb. 2010-May 2011

Visiting Scholar


Dr. Lei Zhang, Huazhong University of Science and Technology, March-September 2016
Dr. Hongjuan Zhang, Taiyuan University of Technology, August 2015-August 2016
Yangwu Shen, Wuhan University, China, May-September 2014