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http://dx.doi.org/10.5139/JKSAS.2022.50.11.791

Helicopter Active Airframe Vibration Control Simulations Using an Exhaustive Test Method  

Park, Byeong-Hyeon (Department of Aerospace Engineering, Chungnam National University)
Lee, Ye-Lin (Spacecraft Structure Team, Satrec Initiative)
Park, Jae-Sang (Department of Aerospace Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.50, no.11, 2022 , pp. 791-800 More about this Journal
Abstract
The number and locations of force generators and their force directions of Active Vibration Control System(AVCS) are important to maximize the airframe vibration reduction performance of helicopters. The present AVCS simulation using an exhaustive test method attempts to determine the best number and locations of force generators and their force directions for maximization of the airframe vibration reduction performance of UH-60A helicopter at 158 knots. The 4P hub vibratory loads of the UH-60A helicopter are calculated using DYMORE II, a nonlinear multibody dynamics analysis code, and MSC.NASTRAN is used to predict the vibration responses of the UH-60A airframe. The AVCS framework with an exhaustive test method is constructed using MATLAB Simulink. As a result, when applying AVCS with the optimal combination of the force generators, the 4P airframe vibration responses of UH-60A helicopter are reduced by from 19.35% to 98.07% compared to the baseline results without AVCS.
Keywords
Active Vibration Control System; UH-60A Helicopter; Exhaustive Test Method;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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