Gazda, Nikodem, Brian Paulsen, Ayobami Edun, Cynthia Furse, and Joel B. Harley. "Reducing the Effects of Rain and Moisture on Spread Spectrum Time Domain Reflectometry Monitoring of Photovoltaics." IEEE Sensors Journal (2024).
Senior Design Projects 2022-2023:
Bioelectromagnetics: Chase Griswold, Mitch Nelson
SSTDR: Cade Boynton, Andrew Peterson
Links to an external site. , Jack Berry
Links to an external site. , Miranda Cardenas
Links to an external site.
ECE 3300 Lab updates: Sarah Murdock, Miguel Gomez
Cody LaFlamme, Cynthia Furse, Joel B. Harley, “Ground Faults in Photovoltaics: Sstdr for Characterization, Detection, and Location,” ASME 2022 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE2022), July 25-27, 2022, San Diego, CA
PVPMC_2022_poster(2).pdf
Download PVPMC_2022_poster(2).pdf
Samuel Hansen, Robbie Barker, Evan Benoit, Joey Brignone, Derek Dyreng, Ayobami Edun, Farhad Elyasi Chamazkoti, Nikodem Gazda, Julio Gutierrez, Samuel Kingston, Cody LaFlamme, Ivan Nikishov, Brian Paulsen, Hailee Sumpter, Zachary Wilkerson, Mashad Saleh, Michael A. Scarpulla, Joel B. Harley, Paul K. Kuhn, Cynthia M. Furse, “Fault Detection and Location on Photovoltaic Systems using Spread Spectrum Time Domain Reflectometry
Download Fault Detection and Location on Photovoltaic Systems using Spread Spectrum Time Domain Reflectometry ,” PV Performance Modeling Collaborative (PVPMC) workshop , Salt Lake City, Utah, August 23-24, 2022
Senior Design Projects 2021-2022: SSTDR PV Testing
Ayobami S. Edun, Cody LaFlamme, Samuel Kingston, Cynthia M. Furse, Michael A. Scarpulla, Joel B. Harley, "Anomaly detection of SSTDR signals using Variational Autoencoders," accepted to IEEE Sensors Journal , 2021
Download Ayobami S. Edun, Cody LaFlamme, Samuel Kingston, Cynthia M. Furse, Michael A. Scarpulla, Joel B. Harley, "Anomaly detection of SSTDR signals using Variational Autoencoders," accepted to IEEE Sensors Journal, 2021
Samuel Kingston, Cody LaFlamme, Mashad U. Saleh, Hunter Ellis, Evan Benoit, Ayobami Edun, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley, "Spread Spectrum Time Domain Reflectometry (SSTDR) Digital Twin Simulation of Photovoltaic Systems for Fault Detection and Location
Links to an external site. ," Progress in Electromagnetics Research (PIERS-B), Vol. 94, pp. 105-126, Jan. 2021
Cody LaFlamme, Evan Benoit, Ayobami Edun, Cynthia M. Furse, Michael A. Scarpulla, Joel B. Harley, "Quantifying the Environmental Sensitivity of SSTDR Signals for Monitoring PV Strings," IEEE Journal of Photovoltaics,2021
Download Cody LaFlamme, Evan Benoit, Ayobami Edun, Cynthia M. Furse, Michael A. Scarpulla, Joel B. Harley, "Quantifying the Environmental Sensitivity of SSTDR Signals for Monitoring PV Strings," IEEE Journal of Photovoltaics,2021
Zachary K. Wilkerson, Ayobami S. Edun, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley, “Scale Transform Signal Processing for Reducing the Effect of Rain on SSTDR Signals,” ICEAA 2021 International Conference on Electromagnetics in Advanced Applications, Hybrid Format, Honolulu, HI, May 17-20, 2021
Download Zachary K. Wilkerson, Ayobami S. Edun, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley, “Scale Transform Signal Processing for Reducing the Effect of Rain on SSTDR Signals,” ICEAA 2021 International Conference on Electromagnetics in Advanced Applications, Hybrid Format, Honolulu, HI, May 17-20, 2021
Ayobami Edun, Cody LaFlamme, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley "Health Monitoring of Solar Arrays with Spread Spectrum Time Domain Reflectometry and Variational Autoencoders," Review of Progress in Quantitative Nondestructive Evaluation (QNDE), online, July 28-30, 2021
Download Ayobami Edun, Cody LaFlamme, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley "Health Monitoring of Solar Arrays with Spread Spectrum Time Domain Reflectometry and Variational Autoencoders," Review of Progress in Quantitative Nondestructive Evaluation (QNDE), online, July 28-30, 2021
Cody LaFlamme, Ayobami Edun, Evan Benoit, Michael Scarpulla, Joel Harley, Cynthia Furse, “Baseline Signal Learning for SSTDR Fault Detection in Photovoltaic Strings,” Review of Progress in Quantitative Nondestructive Evaluation (QNDE), online, July 28-30, 2021
Alexander Charters, Paul K. Kuhn, Hunter Ellis, Dawn Sweeny, Marc Fobair, Joel Harley, "Feasibility of using SSTDR to Monitor Battery Cell Degradation," Review of Progress in Quantitative Nondestructive Evaluation (QNDE), online, July 28-30, 2021
Download Alexander Charters, Paul K. Kuhn, Hunter Ellis, Dawn Sweeny, Marc Fobair, Joel Harley, "Feasibility of using SSTDR to Monitor Battery Cell Degradation," Review of Progress in Quantitative Nondestructive Evaluation (QNDE), online, July 28-30, 2021
Ayobami S. Edun, Samuel Kingston, Cody LaFlamme, Evan Benoit, Michael R. Scarpulla, Cynthia M. Furse, Joel B. Harley, "Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics using SSTDR," IEEE Journal of Photovoltaics, 2021
Download yobami S. Edun, Samuel Kingston, Cody LaFlamme, Evan Benoit, Michael R. Scarpulla, Cynthia M. Furse, Joel B. Harley, "Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics using SSTDR," IEEE Journal of Photovoltaics, 2021
View the video:
https://youtu.be/i
Links to an external site. XMXbGNox3Q
Links to an external site.
Hunter Ellis, Cody LaFlamme, James R. Nagel, Joel Harley, Cynthia M. Furse, "Signals Passing through Asymmetric faults in Transmission Lines," IEEE Sensors Journal , 2021
Download Hunter Ellis, Cody LaFlamme, James R. Nagel, Joel Harley, Cynthia M. Furse, "Signals Passing through Asymmetric faults in Transmission Lines," IEEE Sensors Journal, 2021
Hunter Ellis, Cody Laflamme Cynthia Furse, James Nagel, “Describing Asymmetric Faults with Multiconductor Transmission Lines for SSTDR,” National Radio Science Meeting (NRSM) , Jan. 4-9, 2021 (online)
Download the code HERE
Links to an external site. .
Mashad Uddin Saleh, Chris Deline, Evan Benoit, Samuel Kingston, Joel B. Harley, Cynthia M. Furse, Michael Scarpulla, "Detection and Localization of Damaged Photovoltaic Cells and Modules Using Spread Spectrum Time Domain Reflectometry," IEEE Journal of Photovoltaics , 11(1), pp. 195-201, Jan. 2021, Print ISSN: 2156-3381, Online ISSN: 2156-3403, DOI: 1109/JPHOTOV.2020.3030185
Links to an external site.
Evan Benoit, Jack Mismash, Samuel Kingston, Ayobami Edun, Hunter Ellis, Cody LaFlamme, Michael Scarpulla, Joel B. Harley, Cynthia Furse, “Quantifying the Window of Uncertainty for SSTDR Measurements of a Photovoltaic System,” accepted to IEEE Sensors Journal, 2021
Download Evan Benoit, Jack Mismash, Samuel Kingston, Ayobami Edun, Hunter Ellis, Cody LaFlamme, Michael Scarpulla, Joel B. Harley, Cynthia Furse, “Quantifying the Window of Uncertainty for SSTDR Measurements of a Photovoltaic System,” accepted to IEEE Sensors Journal, 2021
Ayobami S. Edun, Cody LaFlamme, Samuel Kingston, Harsha Tatali, Evan Benoit, Cynthia Furse, Michael Scarpulla, Joel Harley, "Finding Faults in PV Systems: Supervised Unsupervised Dictionary Learning Approaches with SSTDR," accepted to IEEE Sensors Journal, 2020
Download Ayobami S. Edun, Cody LaFlamme, Samuel Kingston, Harsha Tatali, Evan Benoit, Cynthia Furse, Michael Scarpulla, Joel Harley, "Finding Faults in PV Systems: Supervised Unsupervised Dictionary Learning Approaches with SSTDR," accepted to IEEE Sensors Journal, 2020
View and Download this code: https://codeocean.com/capsule/4458938/tree
Links to an external site.
Hunter Ellis, Mashad Uddin Saleh, Samuel Kingston, Joel B. Harley, Michael A. Scarpulla, Evan Benoit, Cynthia M. Furse, "A Model for SSTDR Signal Propagation through Photovoltaic String," accepted to IEEE Journal of Photovoltaics , 2020
Download Hunter Ellis, Mashad Uddin Saleh, Samuel Kingston, Joel B. Harley, Michael A. Scarpulla, Evan Benoit, Cynthia M. Furse, "A Model for SSTDR Signal Propagation through Photovoltaic String," accepted to IEEE Journal of Photovoltaics, 2020
[Associated Source Code: Hunter Ellis, Naveen K. T. Jayakumar, Mashad Uddin Saleh, Joel B. Harley, Cynthia Furse (2020) SSTDR Full System Simulation Using a Systematic Solution Procedure
Links to an external site. . https://doi.org/10.24433/CO.1490714.v1]
Cynthia Furse, Moussa Kafal, Reza Rezzaghi, Yong-June Shin, "Fault Diagnosis for Electrical Systems and Power Networks: A Review," accepted to Special Issue IEEE Sensors Journal
Download Cynthia Furse, Moussa Kafal, Reza Rezzaghi, Yong-June Shin, "Fault Diagnosis for Electrical Systems and Power Networks: A Review," accepted to Special Issue IEEE Sensors Journal
Michael Scarpulla, Cynthia M. Furse, Joel B. Harley, "Spread Spectrum Time Domain Reflectivity for String Monitoring in PV Power Plants," Department of Energy Solar Energy Technology Office Peer Review, District of Columbia, April 6-7, 2020.
Download Michael Scarpulla, Cynthia M. Furse, Joel B. Harley, "Spread Spectrum Time Domain Reflectivity for String Monitoring in PV Power Plants," Department of Energy Solar Energy Technology Office Peer Review, District of Columbia, April 6-7, 2020.
VIDEO of SSTDR tests on 1kV systems at NREL
https://youtu.be/gSlq5NEpstk
Links to an external site.
Ayobami Edun, Cody LaFlamme, Mashad U. Saleh, Samuel Kingston, Evan Beniot, Hunter Ellis, Jack Mismash, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley, “Spread Spectrum Time Domain Reflectivity to Detect and Locate Disconnects in Large-Scale PV Arrays”, PV Reliability Workshop, Denver, CO, February 25-29, 2020
Mashad Uddin Saleh, Chris Deline, Kent Terwilliger, Joel Harley, Cynthia Furse, Michael Scarpulla, “An Overview of Spread Spectrum Time Domain Reflectometry Responses to Photovoltaic Faults" accepted to IEEE Journal of Photovoltaics DOI: 10.1109/JPHOTOV.2020.2972356
Download Mashad Uddin Saleh, Chris Deline, Kent Terwilliger, Joel Harley, Cynthia Furse, Michael Scarpulla, “An Overview of Spread Spectrum Time Domain Reflectometry Responses to Photovoltaic Faults" accepted to IEEE Journal of Photovoltaics DOI: 10.1109/JPHOTOV.2020.2972356
Mashad Uddin Saleh, Joel Harley, Member, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Evan Benoit, Michael Scarpulla, Cynthia Furse, "Reflectometry on Asymmetric Transmission Line Systems,” accepted to Progress in Electromagnetics Research (PIER-M)
Download Mashad Uddin Saleh, Joel Harley, Member, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Evan Benoit, Michael Scarpulla, Cynthia Furse, "Reflectometry on Asymmetric Transmission Line Systems,” accepted to Progress in Electromagnetics Research (PIER-M)
Ayobami S. Edun, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Cynthia Furse, Michael Scarpulla, Joel Harley, "Spread Spectrum Time Domain Reflectometry with Lumped Elements on Asymmetric Transmission Lines," accepted to IEEE Journal of Sensors
Download Ayobami S. Edun, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Cynthia Furse, Michael Scarpulla, Joel Harley, "Spread Spectrum Time Domain Reflectometry with Lumped Elements on Asymmetric Transmission Lines," accepted to IEEE Journal of Sensors
View and Download this code: https://codeocean.com/capsule/5338695/tree
Links to an external site.
Joel B. Harley, Mashad Uddin Saleh, Samuel Kingston, Michael A. Scarpulla, Cynthia M. Furse, "Fast Transient Simulations for Multi-Segment Transmission Lines with a Graphical Model,” Progress in Electromagnetics Research, 165 (2019), pp. 67-82. http://www.jpier.org/PIER/pier.php?paper=19042105
Links to an external site.
Source Code https://doi.org/10.24433/CO.8214677.v1
Links to an external site. .
Mashad Uddin Saleh, Christopher Deline, Samuel Kingston, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Joel B. Harley, Cynthia Furse, Mike Scarpulla,"Detection and Localization of Disconnections in PV Strings Using Spread Spectrum Time Domain Reflectometry," accepted to the IEEE Journal of Photovoltaics. DOI 1109/JPHOTOV.2019.2953392
Download Mashad Uddin Saleh, Christopher Deline, Samuel Kingston, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Joel B. Harley, Cynthia Furse, Mike Scarpulla,"Detection and Localization of Disconnections in PV Strings Using Spread Spectrum Time Domain Reflectometry," accepted to the IEEE Journal of Photovoltaics. DOI 1109/JPHOTOV.2019.2953392
Naveen Kumar Tumkur Jayakumar, Mashad Uddin Saleh, Evan Benoit, Josiah Lacombe, Michael Scarpulla, Cynthia Furse, “Fault Detection In PV Strings Using SSTDR,” IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston , MA, 2018.
Download Naveen Kumar Tumkur Jayakumar, Mashad Uddin Saleh, Evan Benoit, Josiah Lacombe, Michael Scarpulla, Cynthia Furse, “Fault Detection In PV Strings Using SSTDR,” IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston , MA, 2018.
Mashad Uddin Saleh, Josiah LaCombe, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Joel Harley, Cynthia Furse, Mike Scarpulla, “Signal Propagation Through Piecewise Transmission Lines for Interpretation of Reflectometry in Photovoltaic Systems,” IEEE Journal of Photovoltaics (JPV) , 9(2), 2019, pp. 506-512
Download Mashad Uddin Saleh, Josiah LaCombe, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Joel Harley, Cynthia Furse, Mike Scarpulla, “Signal Propagation Through Piecewise Transmission Lines for Interpretation of Reflectometry in Photovoltaic Systems,” IEEE Journal of Photovoltaics (JPV), 9(2), 2019, pp. 506-512
Mashad Uddin Saleh, Chris Deline, Kent Terwilliger, Joel Harley, Cynthia Furse, Michael Scarpulla, "Spread Spectrum Time Domain Reflectometry for Detecting Accelerated Degradation in Photovoltaic Cells," IEEE Photovoltaic Specialists' Conference (PVSC), Chicago, IL, June 16-21, 2019
Mashad Uddin Saleh, Christopher Deline, Naveen Kumar, Evan Benoit, Samuel Kingston, Joel Harley, Cynthia Furse, Mike Scarpulla, "Detection and Localization of Disconnections in PV Strings Using SSTDR" , 2019 NREL PV Reliability Workshop, Feb 26-28, 2019, Lakewood, CO, USA. (1st place award)
Download Mashad Uddin Saleh, Christopher Deline, Naveen Kumar, Evan Benoit, Samuel Kingston, Joel Harley, Cynthia Furse, Mike Scarpulla, "Detection and Localization of Disconnections in PV Strings Using SSTDR", 2019 NREL PV Reliability Workshop, Feb 26-28, 2019, Lakewood, CO, USA. (1st place award)
Samuel Kingston, Ayobami Edun, Evan Beniot, Naveen K. T. Jayakumar, Mashad U. Saleh, Cynthia M. Furse, Michael A. Scarpulla, Joel B. Harley, “Simulating the Spread Spectrum Time Domain Reflectometry Responses of Photovoltaic Cells to Detect and Locate Faults,” PV Reliability Workshop, Denver, CO, February 26-31, 2019
Evan Benoit, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Mashad U. Saleh, Michael Scarpulla, Joel B. Harley, Cynthia Furse, “Spread Spectrum Time Domain Reflectometry for Complex Impedance Fault Detection,” PV Reliability Workshop, Denver, CO, February 26-31, 2019
Samuel Kingston, Evan Benoit, Naveen Kumar Tumkur Jayakumar, Josiah LaCombe, Mashad Saleh, Michael A. Scarpulla, Cynthia M. Furse, Joel B. Harley, "Spread Spectrum Time Domain Reflectometry used for Detecting and Locating Electrical Faults in Solar Panels and Connecting Cables with Arbitrary Impedances," Qualitative Non-Destructive Evaluation (QNDE) Conference, July 16-19, 2018, Burlington, VT
(Invited Paper) Cynthia Furse, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Mashad Saleh, Josiah LaCombe, Michael Scarpulla, Joel Harley, Samuel Kingston, Brent Waddoups, Chris Levine, “Spread Spectrum Time Domain Reflectometry for Complex Impedances: Application to PV Arrays,” IEEE AutoTestCon 2018 , Sept 17-20, National Harbor, MD
Download (Invited Paper) Cynthia Furse, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Mashad Saleh, Josiah LaCombe, Michael Scarpulla, Joel Harley, Samuel Kingston, Brent Waddoups, Chris Levine, “Spread Spectrum Time Domain Reflectometry for Complex Impedances: Application to PV Arrays,” IEEE AutoTestCon 2018, Sept 17-20, National Harbor, MD
Mashad Uddin Saleh, Naveen Kumar Tumkur Jayakumar, Josiah Lacombe, Evan Benoit, Cynthia Furse, Mike Scarpulla, 'Modeling SSTDR Localization of Faults in PV Strings: Constructing a Frequency-Dependent Model of Signal Propagation', 2018 NREL Photovoltaic Reliability Workshop (PVRW). 3rd place student paper prize.