Jim Ahlgrimm visit, 5Oct FY07 Sensors Task Jim Ahlgrimm visit Sandia National Laboratories Mark A. Rumsey October 5, 2006 Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under contract DE-AC04-94AL85000.
Jim Ahlgrimm visit, 5Oct Drivers for Blade Sensors Diagnostic tools in lab and field testing (R&D) Provide “missing” sensors on wind turbines Increase energy capture Decrease O&M costs Smarter structures Increase reliability
Jim Ahlgrimm visit, 5Oct Sensor Issues and Challenges Data Acquisition Local Control Remote Control (SCADA) O&MModelingTesting Structural Health Monitoring Data Management ReliabilityCost
Jim Ahlgrimm visit, 5Oct Sensors Applications Current Technologies and Efforts Strain gages, modal analysis, ultrasonic and acoustic emission NDT, infrared thermography, fiber optics, PZT, photoelastic analysis, shearography, LDV,... SNL Structural Dynamics Department FAA-SNL Airworthiness Assurance NDT Center (AANC) NREL/NWTC test support North Carolina A&T – Piezoelectric Sensor Networks (Structural Health Monitoring ) University of California at Davis – Low-cost Fiber Optic Interrogator NASA – Piezoceramic Transducer/Actuator (Damage Detection and SHM) SPA – Fiber Optic Sensor System (Blade Shape) NASA PZT Sensor Fiber Optic Sensor Patch Green = good bondline Red = disbond AANC Sensor Development
Jim Ahlgrimm visit, 5Oct FY07 Task Goals Advance the UC-Davis Low-cost Interrogator Address sensor issues Manufacturability (material compatibility, egress) Reliability (accelerated aging, robustness, accuracy) Advanced control strategies Quantify the impact of sensors Intimacy Energy Capture Cost of Energy Conference paper (AWEA, SPIE, IMAC) White paper (summary of FY07 efforts)
Jim Ahlgrimm visit, 5Oct FY07 Task Goals (continued) Identify players and partners University of California at Davis (Allen, Horsley) North Carolina A&T (Sundaresan) University of Cincinnati (Schulz) Physical Acoustics Corporation (Beattie) SPA/Aether (Kiddy) NASA (Werlink) LANL (Farrar) University of California at San Diego (Todd) Virginia Tech (Inman) Extreme Diagnostics (Owens) Clipper (Donahoe) ... Technologies Fiberoptic Sensors Piezoelectric / Piezoceramic Damage Detection Structural Health Monitoring Acoustic Emissions
Jim Ahlgrimm visit, 5Oct Why Sensors?