Charles Robinson

Principle Engineering Technologist

Biography

Charles D. Robinson is an engineering technologist in the Photovoltaics (PV) and Materials Technology Program at Sandia National Laboratories. He has facilitated photovoltaic module research activities at Sandia’s Photovoltaic Systems Evaluation Laboratory (PSEL) since 2011. His focus is on improvement of characterization methodologies in support of performance modeling for energy prediction, and long-term reliability studies for the DOE’s Solar Energy Technologies Office (SETO), PV industry partners and other PV test labs. Charles specializes in: indoor and outdoor electrical performance characterization; electroluminescent, infrared and ultraviolet imaging; spectroscopic measurements and solar resource instrumentation calibration. Charles has 16 years of energy research experience at Sandia as a data acquisition systems technologist, including eight years at the Z Machine, where he coordinated the arming, charging and firing sequences of the world’s largest and most powerful pulsed accelerator, and where he processed up to 600 data signals daily. Mr. Robinson received a double associate degree in computer and electronics engineering technologies with honors from ITT Technical Institute in 2004. He continuously generates a substantial quantity of experimental data for multiple principal investigators that results in numerous reports, peer-reviewed publications and IEEE conference proceedings.

Publications

Matthew Phillips, James Hartley, Ashley Maes, Charles Robinson, (2022). Instrumented Photovoltaic Modules for Environmental Characterization and Simulation Model Validation https://doi.org/10.2172/1870062 Publication ID: 80798

Jennifer Braid, Joshua Stein, Charles Robinson, Duncan Harwood, (2021). Optical Detection of Crack Separation in Si PV Modules https://doi.org/10.2172/1825842 Publication ID: 76240

Christine Roberts, Ashley Maes, Anthony McMaster, Matthew Phillips, Charles Robinson, James Hartley, (2021). Relating Photovoltaic Module Stresses to Encapsulant Thermomechanics https://doi.org/10.2172/1891598 Publication ID: 76177

Matthew Phillips, James Hartley, Ashley Maes, Charles Robinson, (2021). Validation and implementation of a viscoelastic material model for analysis of an instrumented photovoltaic module mechanical test https://www.osti.gov/servlets/purl/1889343 Publication ID: 75888

Jennifer Braid, Charles Robinson, Joshua Stein, Duncan Harwood, (2021). Measurement of PV Cell Crack Characteristics in PV Modules using Digital Image Correlation https://www.osti.gov/servlets/purl/1884451 Publication ID: 79233

Joseph Coston, Charles Robinson, Bruce King, Jennifer Braid, Daniel Riley, Joshua Stein, (2021). Effects of Solar Angle of Incidence on Intramodular Photovoltaic Irradiance Uniformity Conference Record of the IEEE Photovoltaic Specialists Conference https://doi.org/10.1109/PVSC43889.2021.9518595 Publication ID: 78824

Joseph Coston, Joshua Stein, Charles Robinson, Jennifer Braid, Daniel Riley, Bruce King, (2021). Effects of Solar Angle of Incidence on Intramodular Photovoltaic Irradiance Uniformity https://doi.org/10.2172/1872905 Publication ID: 78825

Joshua Stein, Jennifer Braid, Charles Robinson, Duncan Harwood, (2021). Measurement of PV Cell Crack Characteristics in PV Modules using Digital Image Correlation https://doi.org/10.2172/1844312 Publication ID: 75500

Joshua Stein, Jennifer Braid, Charles Robinson, Phillip Reu, (2020). Measurement of PV Cell Crack Characteristics in PV Modules using Digital Image Correlation https://www.osti.gov/servlets/purl/1830988 Publication ID: 71671

Daniel Riley, Charles Robinson, Joshua Stein, Bruce King, (2020). Degradation of Fielded PV Modules in Three Climates after Eight Years https://www.osti.gov/servlets/purl/1820259 Publication ID: 74774

Ashley Maes, James Hartley, Charles Robinson, (2020). Instrumented Modules for Mechanical Environment Characterization and Simulation Model Validation https://www.osti.gov/servlets/purl/1807359 Publication ID: 73704

Cameron Stark, Joshua Stein, Craig Carmignani, Don Ellibee, Charles Robinson, (2020). Challenges in Outdoor Accelerated Testing of PV https://www.osti.gov/servlets/purl/1767096 Publication ID: 72696

Joshua Stein, Craig Carmignani, Craig One Feather, Doug Robb, Don Ellibee, Charles Robinson, (2019). Outdoor Accelerated Testing of PV Modules https://www.osti.gov/servlets/purl/1807163 Publication ID: 70582

Joshua Stein, Craig Carmignani, Craig One Feather, Robb, Ellibee, Charles Robinson, (2019). Outdoor Accelerated Testing of PV Modules https://www.osti.gov/servlets/purl/1645824 Publication ID: 70610

Daniel Riley, Charles Robinson, Joshua Stein, Bruce King, (2019). 8-Year Degradation Assessment of Fielded PV in Three Climates – Poster for DOE Showcase https://www.osti.gov/servlets/purl/1640783 Publication ID: 69166

Bruce King, Charles Robinson, (2019). Differential Analysis of the Incident Angle Response of Utility-Grade PV Modules https://www.osti.gov/servlets/purl/1640993 Publication ID: 69466

Bruce King, Charles Robinson, (2019). Differential Analysis of the Angle of Incidence Response of Utility-Grade PV Modules https://doi.org/10.1109/PVSC40753.2019.8981355 Publication ID: 69094

Bruce King, Julius Yellowhair, Charles Robinson, (2019). Nishati Prototype 72-Cell Endurance Modules (Test Report) https://doi.org/10.2172/1761867 Publication ID: 67290

Joshua Stein, Charles Robinson, Bruce King, Chris Deline, Steve Rummel, Bill Sekulic, (2018). PV Lifetime Project: Measuring PV Module PerformanceDegradation: 2018 Indoor Flash TestingResults 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 – A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC https://www.osti.gov/servlets/purl/1602100 Publication ID: 67083

Bruce King, Charles Robinson, Craig Carmignani, Daniel Riley, C. Jones, (2018). Application of the Sandia Array Performance Model to Assess Multiyear Performance of Fielded CIGS PV Arrays 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 – A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC https://www.osti.gov/servlets/purl/1529756 Publication ID: 62701

Bruce King, Charles Robinson, (2018). Differential Analysis of the Incident Angle Response of Utility Grade PV Modules https://www.osti.gov/servlets/purl/1761146 Publication ID: 60413

Bruce King, Charles Robinson, (2018). Comparative Angle of Incidence Characterization of Utility Grade Photovoltaic Modules https://doi.org/10.2172/1481528 Publication ID: 59941

Bruce King, Charles Robinson, Craig Carmignani, Daniel Riley, Christian Jones, (2018). Application of the Sandia Array Performance Model to Assess Multiyear Performance of Fielded CIGS PV Arrays https://doi.org/10.1109/PVSC.2018.8548108 Publication ID: 62700

Joshua Stein, Bruce King, Charles Robinson, Chris Deline, Bill Sekulic, (2018). PV Lifetime Project ? Challenges of Measuring PV Module Degradation https://www.osti.gov/servlets/purl/1500165 Publication ID: 61043

C. Jones, Manel Martinez-Ramon, Ryan Smith, Craig Carmignani, Olga Lavrova, Charles Robinson, Joshua Stein, (2016). Automatic fault classification of photovoltaic strings based on an in situ IV characterization system and a Gaussian process algorithm Conference Record of the IEEE Photovoltaic Specialists Conference https://doi.org/10.1109/PVSC.2016.7749915 Publication ID: 50469

Bruce King, Clifford Hansen, Daniel Riley, Charles Robinson, Larry Pratt, (2016). Outdoor test and analysis procedures for generating coefficients for the Sandia Array Performance Model Conference Record of the IEEE Photovoltaic Specialists Conference https://doi.org/10.1109/PVSC.2016.7750225 Publication ID: 50367

Bruce King, Charles Robinson, (2016). Simplifying methods to calibrate the Sandia Array Performance Model: elimination of the traditional thermal test https://www.osti.gov/servlets/purl/1404812 Publication ID: 47266

Nathan Guay, Clifford Hansen, Charles Robinson, Bruce King, (2016). Improving Module Temperature Measurements using Averaging Resistive Temperature Devices https://doi.org/10.1109/PVSC.2016.7750243 Publication ID: 50603

Christian Jones, Manel Martinez-Ramon, Ryan Smith, Craig Carmignani, Olga Lavrova, Charles Robinson, Joshua Stein, (2016). Automatic Fault Classification of Photovoltaic Strings Based on an In-Situ IV Characterization System and a Gaussian Process Algorithm https://doi.org/10.1109/PVSC.2016.7749915 Publication ID: 50607

Bruce King, Clifford Hansen, Daniel Riley, Charles Robinson, Larry Pratt, (2016). Procedure to Determine Coefficients for the Sandia Array Performance Model (SAPM) https://doi.org/10.2172/1256510 Publication ID: 50384

Bruce King, Clifford Hansen, Daniel Riley, Charles Robinson, Larry Pratt, (2016). Outdoor Test and Analysis Procedures for Generating Coefficients for the Sandia Array Performance Model https://doi.org/10.1109/PVSC.2016.7750225 Publication ID: 50387

Bruce King, Daniel Riley, Charles Robinson, Larry Pratt, (2015). Recent Advancements in Outdoor Measurement Techniques for Angle of Incidence Effects https://www.osti.gov/servlets/purl/1257563 Publication ID: 43936

Bruce King, Daniel Riley, Charles Robinson, Larry Pratt, (2015). Recent Advances in Outdoor Measurement Techniques for Angle of Incidence Effects https://www.osti.gov/servlets/purl/1341487 Publication ID: 44022

Liza Boyle, Patrick Burton, Holly Flinchpaugh, Victoria Danner, Charles Robinson, Ken Blackwell, Bruce King, Michael Hannigan, (2015). Initial Results of a Five Site Study Comparing Spatial Variability of Soiling and Ambient Particulate Concentrations https://www.osti.gov/servlets/purl/1255794 Publication ID: 43709

Joshua Stein, Shawn McCaslin, Clifford Hansen, William Boyson, Charles Robinson, (2014). Measuring PV system series resistance without full IV curves 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014 https://doi.org/10.1109/PVSC.2014.6925326 Publication ID: 41031

Joshua Stein, Clifford Hansen, Charles Robinson, (2014). Measuring PV System Series Resistance Without Full IV Curves https://doi.org/10.1109/PVSC.2014.6925326 Publication ID: 41100

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Principle Engineering Technologist

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