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Proceedings Paper

Design of a smart flap using C-block actuators and a hybrid optimization technique
Author(s): Charles E. Seeley; Aditi Chattopadhyay; Lori A. Mitchell
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Paper Abstract

The concept of a rotor blade with a smart flap has received considerable attention lately due to the potential for vibration suppression using individual blade control (IBC). In this paper curved polymeric piezoelectric actuators, called C-block actuators, which exhibit significant advantages over other types of actuators are proposed to drive a smart flap for IBC. The efficient implementation involves the design of both the actuators and the flap. Therefore, it is appropriate to use a formal optimization technique to address this problem. The optimization problem is complex since it includes both continuous (flap size) and discrete (number of actuators) design variables. Therefore, a newly developed hybrid optimization procedure, which can include both types of design variables, is used to maximize flap performance using the C-block actuators. Optimization results indicate that the C-block actuators provide comparable control authority without the drawbacks, such as brittleness, of conventional bimorph actuators.

Paper Details

Date Published: 1 May 1996
PDF: 14 pages
Proc. SPIE 2717, Smart Structures and Materials 1996: Smart Structures and Integrated Systems, (1 May 1996); doi: 10.1117/12.239075
Show Author Affiliations
Charles E. Seeley, Arizona State Univ. (United States)
Aditi Chattopadhyay, Arizona State Univ. (United States)
Lori A. Mitchell, Arizona State Univ. (United States)

Published in SPIE Proceedings Vol. 2717:
Smart Structures and Materials 1996: Smart Structures and Integrated Systems
Inderjit Chopra, Editor(s)

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