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Proceedings Paper

Active vibration suppression of helicopter horizontal stabilizers
Author(s): Simone Cinquemani; Gabriele Cazzulani; Ferruccio Resta
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Paper Abstract

Helicopters are among the most complex machines ever made. While ensuring high performance from the aeronautical point of view, they are not very comfortable due to vibration mainly created by the main rotor and by the interaction with the surrounding air. One of the most solicited structural elements of the vehicle are the horizontal stabilizers. These elements are particularly stressed because of their composite structure which, while guaranteeing lightness and strength, is characterized by a low damping. This work makes a preliminary analysis on the dynamics of the structure and proposes different solutions to actively suppress vibrations. Among them, the best in terms of the relationship between performance and weight / complexity of the system is that based on inertial actuators mounted on the inside of the horizontal stabilizers. The work addresses the issue of the design of the device and its use in the stabilizer from both the numerical and the experimental points of view.

Paper Details

Date Published: 11 April 2017
PDF: 8 pages
Proc. SPIE 10164, Active and Passive Smart Structures and Integrated Systems 2017, 1016439 (11 April 2017); doi: 10.1117/12.2259982
Show Author Affiliations
Simone Cinquemani, Politecnico di Milano (Italy)
Gabriele Cazzulani, Politecnico di Milano (Italy)
Ferruccio Resta, Politecnico di Milano (Italy)


Published in SPIE Proceedings Vol. 10164:
Active and Passive Smart Structures and Integrated Systems 2017
Gyuhae Park, Editor(s)

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