8 September 1993 Adaptive airfoils for helicopters
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Abstract
NITINOL alloy wire actuation system is discussed in this paper. This actuator is an active component used to achieve a camber change in a NACA 0012 airfoil. The camber changes are used to provide a collective control for a two bladed model helicopter. This means the collective control is moved to the individual blades. A two actuator control system has been designed using H(infinity ) control techniques.
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Sathya V. Hanagud, Robert L. Roglin, G. L. NageshBabu, "Adaptive airfoils for helicopters", Proc. SPIE 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems, (8 September 1993); doi: 10.1117/12.152761; https://doi.org/10.1117/12.152761
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