02098nam 2200529 a 450 991070223090332120121102145801.0(CKB)5470000002425842(OCoLC)815785380(EXLCZ)99547000000242584220121102d1989 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDesign of an active helicopter control experiment at the Princeton Rotorcraft Dynamics Laboratory[electronic resource] interim report covering the period January 1988-May 1989 /Andrew M. Marraffa, R. M. McKillip, Jr[Moffett Field, Calif.] :NASA Ames Research Center,[1989]1 online resource (ix, 93 pages, 3 unnumbered pages) illustrations[NASA contractor report ;NASA-CR-185490]Technical report ;no. 1861TTitle from title screen (viewed Nov. 2, 2012)."May 1989."Includes bibliographical references (pages 91-92).Design of an active helicopter control experiment at the Princeton Rotorcraft Dynamics Laboratory Active controlnasatControl systems designnasatHelicopter controlnasatRotary wingsnasatStructural vibrationnasatVibration dampingnasatActive control.Control systems design.Helicopter control.Rotary wings.Structural vibration.Vibration damping.Marraffa Andrew M1413321McKillip R. M(Robert Miller)1413322Princeton University.Department of Mechanical and Aerospace Engineering.Ames Research Center.GPOGPOBOOK9910702230903321Design of an active helicopter control experiment at the Princeton Rotorcraft Dynamics Laboratory3509438UNINA