1995
DOI: 10.1177/1045389x9500600501
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Engineering Feasibility of Induced Strain Actuators for Rotor Blade Active Vibration Control

Abstract: Rotor blade vibration reduction based on Higher Harmonic Control—Individual Blade Control (HHC-IBC) principles is presented as a possible area of application of Induced Strain Actuation (ISA). Recent theoretical and experimental work on achieving HHC-IBC through conventional and ISA means is reviewed. Though the force-displacement and power-energy estimates vary significantly, some common-base values are identified. Hence, a bench-mark specification for a tentative HHC-IBC device based on the aerodynamic… Show more

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Cited by 32 publications
(23 citation statements)
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“…Numerous electromechanical approaches exploiting active (smart) material actuation mechanisms have been investigated for this purpose. 1 The most widely explored active material actuation methods have employed either piezoelectrically actuated flaps placed at discrete locations along the blade, [2][3][4][5][6][7][8][9] or piezoelectric material distributed along the blade and used to directly control deformations (usually twist) in the host blade structure. [9][10][11][12][13][14][15][16][17][18][19] The primary design constraint in both approaches is the need to obtain high piezoelectric actuation forces and displacements with a minimum of actuator weight.…”
Section: Introductionmentioning
confidence: 99%
“…Numerous electromechanical approaches exploiting active (smart) material actuation mechanisms have been investigated for this purpose. 1 The most widely explored active material actuation methods have employed either piezoelectrically actuated flaps placed at discrete locations along the blade, [2][3][4][5][6][7][8][9] or piezoelectric material distributed along the blade and used to directly control deformations (usually twist) in the host blade structure. [9][10][11][12][13][14][15][16][17][18][19] The primary design constraint in both approaches is the need to obtain high piezoelectric actuation forces and displacements with a minimum of actuator weight.…”
Section: Introductionmentioning
confidence: 99%
“…Helicopter applications of induced-strain actuation has received extensive attention (Giurgiutiu et al, 1994;Narkiewicz and Done, 1994;Chopra 1997). Conventional actuation solutions (hydraulics and electric motors) are impractical for on-blade actuation.…”
Section: Helicopter Applicationsmentioning
confidence: 99%
“…Helicopter applications of induced-strain actuation has received extensive attention (Giurgiutiu et al, 1994;Narkiewicz and Done, 1994;Chopra 1997). Conventional actuation solutions (hydraulics and electric motors) are less attractive for on-blade actuation.…”
Section: Helicopter Applicationsmentioning
confidence: 99%