Resonance Test System

Walter Musial (Inventor)

Research output: Patent


An apparatus (10) for applying at least one load to a specimen (12) according to one embodiment of the invention may comprise a mass (18). An actuator (20) mounted to the specimen (12) and operatively associated with the mass (18) moves the mass (18) along a linear displacement path (22) that is perpendicular to a longitudinal axis of the specimen (12). A control system (26) operativelyassociated with the actuator (20) operates the actuator (20) to reciprocate the mass (18) along the linear displacement path (22) at a reciprocating frequency, the reciprocating frequency being about equal to a resonance frequency of the specimen (12) in a test configuration.
Original languageAmerican English
Patent number7,953,561
StatePublished - 2011

NREL Publication Number

  • NREL/PT-5000-51991


  • turbine
  • wind energy
  • wind-powered generator


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