The results of a study to conceptually define a servo-flap rotor with on-blade smart material actuators for primary and active control are presented. Selection of the flap and rotor design parameters is directed to minimize the control effort. Simulation results for an AH-64 size aircraft show that substantial reductions in control effort as well as main rotor power can be achieved through judicious selection of the rotor and flap design parameters and introduction of adaptive rotor features.
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Straub et al. (1996) studied this question.
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