SBIR/STTR Research Award

FEASIBILITY OF PROPELLER LOAD CONTROL STRATEGIES UTILIZING PIEZOCERAMIC DRIVERS

Award identifier f686d765095242ee4350c66cc8c2bd14a6e29007da83fdd07dbf292c5ef55236Awarding agency Department of Defense · Navy

Award amount

$52,477

Program and phase

SBIR · Phase I

Award year

1990

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Award details

Awarding agency
Department of Defense
Branch
Navy
Recipient company
Daedalus Research Inc.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

CONTRACTOR WILL EXAMINE THE FEASIBILITY OF UTILIZING ITS PIEZOCERAMIC CHIPS AS ACTUATORS FOR VARIABLE TWIST PROPELLERS IN UAV APPLICATIONS. THESE ACTUATORS WILL BE UTILIZED TO OPTIMIZE THE TWIST OF RIBSTIFFENED ELASTOMERIC PROPELLER BLADES ON A BLADE-ELEMENT-BY-BLADEELEMENT BASIS SO THAT EACH SEGMENT OF THE BLADE IS OPTIMIZED WITH RESPECT TO HELICAL INFLOW ANGLE INDEPENDENTLY OF EACH OTHER SEGMENT. THUS A BLADE-ELEMENT TUNED OPTIMUM WILL BE SOUGHT. THE LOAD ABSORBED BY THE PROPELLER IS PROPOSED TO BE VARIED ELECTRICALLY; THE PROPELLER HUB CONTAINS A BUILT-IN GENERATOR TO PROVIDE POWER TO THE SYSTEM WITHOUT COMMUTATION.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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