Optical Blade Position Tracking System Test

Research output: NRELTechnical Report


The Optical Blade Position Tracking System Test measures the blade deflection along the span of the blade using simple off-the-shelf infrared security cameras along with blade-mounted retro-reflective tape and video image processing hardware and software to obtain these measurements.
Original languageAmerican English
Number of pages10
StatePublished - 2006

NREL Publication Number

  • NREL/TP-500-39253


  • blade deflection measurements
  • infrared camera
  • load measurement
  • optical blade position
  • wind turbine control systems


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