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Electrical and Computer

Engineering, Dept. 3295

1000 E. University Ave.

Laramie, WY 82071

Phone: (307)766-2279

Email: ece@uwyo.edu

Engineering, Dept. 3295

1000 E. University Ave.

Laramie, WY 82071

Phone: (307)766-2279

Email: ece@uwyo.edu

**John W. Pierre**

**Professor of Electrical & Computer Engineering**

Room 5050, Engineering Building

University of Wyoming

College of Engineering and Applied Science

Department of Electrical & Computer Engineering

Dept. 3295

1000 E. University Avenue

Laramie, WY 82071

pierre@uwyo.edu

Phone: 307.766.4206

Fax: 307.766.2248

**Education:**

- B.S. Electrical Engineering (minor Economics), Montana State University
- M.S. Electrical Engineering (minor Statistics), University of Minnesota
- Ph.D. Electrical Engineering, University of Minnesota

Areas of Expertise:

SignalProcessing, Statistical Signal Processing, Spectral Estimation, SystemIdentification with applications to Power System Analysis

Graduate students are working with me in a number of areas of signal processing. Much ofthe current focus is on application of statistical signal processing techniques and system identification methods to power system identification. Other genera lareas of research interest include signal processing education, random processes, array processing, detection and estimation, spectral estimation, and adaptive signal processing.

**Honors and Awards**

**IEEE Fellow**, 2013: for development of signal processing methods for estimation of power-system stability**"Top Prof" Award,**Mortar Board, University of Wyoming, 2000, 2002, and 2012.- The 2009 “
**Technical Committee****Prize Paper Award**” for the IEEE Power and Energy Society, Power System Dynamic Performance Committee for the paper “Robust RLS Methods for On-line Estimation of Power System Electromechanical Modes,”*IEEE Transactions on Power Systems*, vol. 22, no. 3, pp. 1240-1249, August 2007. **Co-General Conference Chair,**IEEE DSP/SPE Workshop, 2006.**The College of Engineering Graduate Research and Teaching Award (The Sam Hakes Award),**University of Wyoming, 2005.**Best Paper Award:**American Controls Conference, Electric Power Session, 2002, "Use of Least-Mean Squares (LMS) Adaptive Filtering Technique for Estimating Low Frequency Electromechanical Modes of Power Systems".**Excellence in Advising Award,**University of Wyoming, 1999.**Outstanding Paper Award,**Nomination, ASEE Conference, Coed Division, 1999, "Enhancing the Comprehension of Signal Processing Principles using Audio Exercises with MATLAB".**Outstanding Service to First-Year Students,**1997 and 1998.

**Related
Experience**

- Montana Tech University, Visiting Sabbatical Scholar, Spring 2008.
- Pacific Northwest National Laboratory, Visiting Sabbatical Scholar, Fall 2007.
- Pacific Northwest National Laboratory, Summer Faculty AWU Fellow, 1995.

**CurrentEmployment of some former PhD Students**

- Roger Green – currently a Professor at North Dakota State University
- Richard Wies – currently a Professor at University of Alaska – Fairbanks
- Mike Anderson – currently with Boeing, Everett, WA
- Hongkang Liang – currently with Microsoft, Seattle, WA
- Ning Zhou – currently a Professor at Binghamton University, New York. Formerly with Pacific Northwest National Laboratory (PNNL), Richland, WA
- Frank Tuffner – currently with Pacific Northwest National Laboratory (PNNL),Richland, WA
- Luke Dosiek – currently with Assured Information Security (AIS), Rome, NY
- Gurudatha Pai – currently with Alstom Grid, Seattle, WA

**Recent
Publications (Current and Former Graduate Students in Bold)**

**L. Dosiek**,**N. Zhou**, J.W. Pierre, Z. Huang, and D.J. Trudnowski, “Mode Shape Estimation Algorithms Under Ambient Conditions: A Comparative Review,”*IEEE Trans on Power Systems*, (accepted).**L. Dosiek**, J.W. Pierre,**J. Follum**, “A Recursive Maximum Likelihood Estimator for the Online Estimation of Electromechanical Modes with Error Bounds,”*IEEE Trans on Power Systems*, (accepted).- J. Pierre
(Lead Editor), D. Trudnowski (Lead Editor), C. Canizares,
**L. Dosiek**, H. Ghasemi, M. Gibbard, E. Johansson, G. Ledwich,**R. Martin**, E. Martinez, L. Vanfretti, D. Vowles,**R. Wies**,**N. Zhou**, Chapter 2, “Mode-Meter Analysis Methods,”*Identification of Electromechanical Modes in Power Systems*, IEEE Task Force Report, Special Publication TP462, IEEE Power and Energy Society, pp. 2:1 – 2:62, July 2012 - M.L. Crow
(Lead Editor), J.J Sanchez-Gasca (Lead Editor), J. Hauer, H. Huang, J.
Pierre, D. Trudnowski,
**N. Zhou**, L. Vanfretti, J.H. Chow, Chapter 1, “Linear Ringdown Analysis Methods,”*Identification of Electromechanical Modes in Power Systems*, IEEE Task Force Report, Special Publication TP462, IEEE Power and Energy Society, pp. 1:1 – 1:66, July 2012 - J.W.
Pierre, D. Trudnowski, M. Donnelly,
**N. Zhou**,**F.K. Tuffner**, and**L. Dosiek**, “Overview of System Identification for Power Systems from Measured Responses,”*Proceedings of the International Federation of Automatic**Controls (IFAC) Symposium on System Identification (SYSID)*, July 2012. (Invited Paper) **L. Dosiek**and J.W. Pierre, “Multi channel Techniques for the Estimation of Power System Electromechanical Modes,”*Proceedings of the International Federation of Controls (IFAC) Symposium on System Identification (SYSID)*, July 2012. (Invited Paper)**N. Zhou**, J.W. Pierre, D.J. Trudnowski, “A Stepwise Regression Method for Estimating Dominant Electromechanical Modes,”*IEEE Transaction on Power Systems*, vol. 27, no. 2, pp. 1051-1059, May 2012.**G. Pai**and J.W. Pierre, “Statistical Analysis of Empirical Magnitude and Phase Response Estimates with Applications to Power System Identification,”*Proceedings of the North American Power Symposium*, August 2011.**J. Follum**,**L. Dosiek**, and J.W. Pierre, “The Empirical Transfer Function Estimate Method for Determining Mode Shape,”*Proceedings of the North American Power Symposium*, August 2011.**J. Follum**,**N. Zhou**, and J.W. Pierre, “Evaluation of Mode Estimation Accuracy for Small-Signal Stability Analysis,”*Proceedings of the North American Power Symposium*, August 2011.**L. Dosiek**and J.W. Pierre, “A More Efficient Method of Bootstrapping Electromechanical Mode Estimates Using Estimated Multivariate Distributions,”*Proceedings of the IEEE Power & Energy Society General Meeting*, July 2011.**Luigi Vanfretti**,**Luke Dosiek**, John W. Pierre, Daniel Trudnowski, Joe H. Chow, Rodrigo Garcia-Valle, and Usman Aliyu, “Application of Ambient Analysis Techniques for the Estimation of Electromechanical Oscillations from Measured PMU Data in Four Different Power Systems,”*European Transactions on Electrical Power*, Volume 21, Issue 4, pages 1640–1656, May 2011.**F. K. Tuffner**,**L. Dosiek**, J. W. Pierre, and D. Trudnowski, “Weighted Update Method for Spectral Mode Shape Estimation from PMU Measurements,”*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2010.**N. Zhou**, Z. Huang ,**F. Tuffner**, J.W. Pierre, and S. Jin, “Automatic Implementation of Prony Analysis for Electromechanical Mode Identification from Phasor Measurements,”*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2010.**L. Vanfretti**, R. García-Valle, K. Uhlen, E. Johansson, D. Trudnowski, J.W. Pierre, J.H. Chow, O. Samuelsson, J. Østergaard, and K.E. Martin, “Estimation of Eastern Denmark’s Electromechanical Modes from Ambient Phasor Measurement Data,”*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2010.- J.W.
Pierre,
**N. Zhou**,**F.K. Tuffner**, J.F. Hauer, D.J. Trudnowski, W.A. Mittelstadt, “Probing Signal Design for Power System Identification,”*IEEE Transactions on Power Systems*, vol. 25, no. 2, pp. 835-843, May 2010. - S.F.
Barrett, J. Anderson, J. Pierre, S. Muknahallipatna, D. Whitman, C.H.G.
Wright, and R. Kubichek, “Embedded Systems Design: Responding to the
Challenge,”
*IEEE-USA Today’ Engineer*, January 2010. (reprinted from COE Journal, September 2009) **L. Vanfretti**, J.H. Chow, U. Aliyu,**L. Dosiek**, J.W. Pierre, D. Trudnowski, R. Garcia-Valle, and J.A. Momoh, “Estimation of the Nigeria Power System Electromechanical Modes Using FDR Measurements,” Proceedings of the International Conference on Power Systems Operation and Planning (ICPSOP) 2010, January 2010.- S.F.
Barrett, J. Anderson, J. Pierre, S. Muknahallipatna, D. Whitman, C.H.G.
Wright, and R. Kubichek, “Embedded Systems Design: Responding to the
Challenge,”
*Computers in Education Journal*, vol. XIX, no. 3, pp. 80-98, September 2009. **N. Zhou**, Z. Huang,**L. Dosiek**, D.J. Trudnowski, and, J.W. Pierre, “Electromechanical Mode Shape Estimation Based on Transfer Function Identification Using PMU Measurements,”*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2009.**L. Dosiek**, J.W. Pierre, D.J. Trudnowski, and**N. Zhou**, “A Channel Matching Approach for Estimating Electromechanical Mode Shape and Coherence,”*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2009.- D.J.
Trudnowski, J.W. Pierre, “Overview of Algorithms for Estimating Swing
Modes from Measured Responses,”
*Proceedings of the IEEE Power Engineering Society General Meeting*, July 2009. - S.F.
Barrett, D. Whitman, R. Kubichek, J. Pierre, S. Muknahallipatna, C.H.G.
Wright, “Embedded Systems Design:
Responding to the Challenge,”
*Proc. of ASEE Annual Conference '09’*, June 2009.Trudnowski D. and J.W. Pierre, “Signal Processing Methods for Estimating Small-Signal Dynamics Properties from Measured Responses,” Chapter 1 of Inter-area Oscillations in Power Systems: A Nonlinear and Nonstationary Perspective , Chapter 1, pp. 1-36, Springer, New York, 2009. - Pierre, J.W., F.K.
Tuffner, J.R. Anderson, D.L. Whitman, A.H.M.S. Ula, R.F. Kubichek, C.H.G.
Wright, S.F. Barrett, J.J. Cupal, and J.C. Hamann, “A One-credit Hour
Hands-On Introductory Course in Electrical and Computer Engineering using
a Variety of Topic Modules,” vol. 52, no. 2,
*IEEE Transactions on Education,*May 2009. - Zhou, N., D. Trudnowski,
and J.W. Pierre, “Mode Initialization for On-line Estimation of Power
System Electromechanical Modes,”
*Proceedings of the PSCE,*Seattle, Washington, March 2009. - Hauer, J.F., W.A.
Mittelstadt, K.E. Martin, J.W. Burns, H. Lee, J.W. Pierre, D.J.
Trudnowski, “Use of the WECC WAMS in Wide Area Probing Tests for
Validation of System Performance & Modeling,”
*IEEE Trans on Power Systems,*vol. 24, no. 1, pp. 250-257, February 2009. - Pierre, J.W.,
**F.K. Tuffner**, R.F. Kubichek, and C.H.G. Wright, “Real-Time DSP in a Freshman DSP Course,”*Proceedings of the IEEE 12th DSP & 5th SPE Workshop,*Marco Island, Florida, January 2009. **Zhou, N.**, D. Trudnowski, J. W. Pierre, W.A. Mittelstadt, “Electromechanical Mode On-line Estimation Using Regularized Robust RLS Methods,”*IEEE Trans on Power Systems,*vol. 24, no. 4, pp. 1670-1680, November 2008.**Tuffner, F,K.**, J.W. Pierre, and R.F. Kubichek, “Computationally Efficient Updating of a Weighted Welch Periodogram for Non-Stationary Signals,”*Proc. 51st IEEE International Midwest Symposium on Circuits and Systems,*Knoxville, Tennessee, August 10-13, 2008.**Zhou, N.**and J.W. Pierre, “Time-Limited Perturbation Waveform Generation by an Extended Tim-Frequency Domain Swapping Algorithm,”*Proc. 51st IEEE International Midwest Symposium on Circuits and Systems,*Knoxville, Tennessee, August 10-13, 2008.**Dosiek, L.**, D.J. Trudnowski, and J.W. Pierre, “New Algorithms for Mode Shape Estimation Using Measured Data,”*Proceedings of the IEEE Power Engineering Society General Meeting,*July 2008.**Zhou, N.**, D. Trudnowski, J. W. Pierre, S. Sarawgi, N. Bhatt, “An Algorithm for Removing Trends from Power-System Oscillation Data,”*Proceedings of the IEEE Power Engineering Society General Meeting,*July 2008.- Trudnowski, D.J., J.W.
Pierre,
**N. Zhou**, J.F. Hauer, M. Parashar, “Performance of Three Mode-Meter Block Processing Algorithms for Automated Dynamic Stability Assessment,”*IEEE Trans on Power Systems,*vol. 23, no. 2, pp. 680-690, May 2008. **Tuffner, F.**, R.F. Kubichek, J.W. Pierre, “Low-Cost Vector Signal Analyzer for Communication Laboratory Experiments,”*COED Journal,*April 2008.- Zhang, Jing and J.W.
Pierre, “Subspace Modal Tracking for MIMO-OFDM Channels,”
*Proc. of the 3rd IEEE International Conference on Wireless Communications, Networking and Mobile Computing,*September, 2007. **Zhou, N.**, J.W. Pierre, D. Trudnowski, R. Guttromson, “Robust RLS Methods for On-line Estimation of Power System Electromechanical Modes,”*IEEE Transactions on Power Systems,*vol. 22, no. 3, pp. 1240-1249, August 2007.**Tuffner, F.**, R.F. Kubichek, J.W. Pierre, “Low-Cost Vector Signal Analyzer for Communication Laboratory Experiments,”*Proc. of ASEE Annual Conference '07’,*Honolulu, HI, June 2007.- Wies, R.W.,
**A. Balasubramanian**, and J.W. Pierre, “Adaptive Filtering Techniques for Estimating Electromechanical Modes in Power Systems,”*Proceedings of the IEEE Power Engineering Society General Meeting,*June 2007. **Scott, E.D.**, C.T. Hayward, R.F. Kubichek, J.C. Hamann, J.W. Pierre, B. Comey, and T. Mendenhall "Single and Multiple Sensor Identification of Avalanche-Generated Infrasound,"*CRST (Cold Regions Science and Technology) Journal,*vol. 47, nos. 1-2, 159-170, January 2007.**Tuffner, F.**, J. Pierre, R. Kubichek, "Innovative Communication Experiments using and Integrated Design Laboratory,"*COED Journal,*vol. XVI, no. 4, pp. 98-105, October 2006.**Zhou, N.**and J.W. Pierre, "Waveform Generation of Time-Limited Pseudo-Random Signals,"*Proceedings of the IEEE 12th DSP Workshop,*pp. 197-202, September 2006.**Tuffner, F.K.**and J.W. Pierre, "Electromechanical Modal Behavior During a 48 Hour Interval Using Nonparametric Methods,"*Proceedings of North American Power Symposium (NAPS),*September 2006.**Subramanian, A.**and J.W. Pierre, "Basic Frequency and Time Domain Least Squares Methods for System Identification,"*Proceedings of North American Power Symposium (NAPS),*September 2006.**Zhou, N.**, J.W. Pierre, J.F. Hauer, "Initial Results in Power System Identification from Injected Probing Signals Using a Subspace Method,"*IEEE Transactions on Power Systems,*Vol. 21, no. 3, pp. 1296-1302, August 2006.**Zhou, N.**, J.W. Pierre, and D.J. Trudnowski, "A Bootstrap Method for Statistical Power System Mode Estimation and Probing Signal Selection,"*Proceedings of the IEEE Power Engineering Society General Meeting,*June 2006.- Barrett, S.F., J.
Hamann, D. Coon, P.M. Crips, J.W. Pierre, "Show Them NAND Gates and
They Will Come,"
*Proc. of ASEE Annual Conference '06,*June 2006. - Hamann, J.C. and J.W. Pierre, "Fourier Waveform Analysis," The Electronics Handbook, 2nd edition, CRC Press, 2005.
**Tuffner, F.**, J. Pierre, R. Kubichek, "Innovative Communication Experiments using and Integrated Design Laboratory,"*Proc. of ASEE Annual Conference '05,*Portland OR, June 2005.**Anderson, M.G., N. Zhou**, J.W. Pierre, and**R.W. Wies**, "Bootstrap-based Confidence Interval Estimates for Electromechanical Modes from Multiple Output Analysis of Measured Ambient Data,"*IEEE Transactions on Power Systems,*vol. 20, no. 2, pp. 943-950, May 2005.**Zhou, N.**and J.W. Pierre, "Estimation of Auto regressive Parameters by the Constrained Total Least Square Algorithm Using a Bootstrap Method,"*Proceedings of the IEEE International Conference in Acoustic, Speech and Signal Processing (ICASSP),*March 2005.