A Study on the Vibration Characteristics of the Optical Structure in the Aerial Vehicle and Optimisation Using Robust Design

Abstract:

In this paper, an optical structure for the aircraft was considered and its vibrational characteristics and weight were optimised using the robust design technology. To acquire the vibration characteristics and the stable line of sight, modal analyses were performed to the optical structure using the commercial multi-body dynamics programme ADAMS. Four design variables, were selected to investigate the vibrational characteristics as well as lightweight effect using the L9(34) type orthogonal array. To fulfill the natural frequency criterion (75Hz), the proper values of each design variable were suggested.

• Periodical: Applied Mechanics and Materials (Volume 302)
• Pages: 462-467
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.302.462
• Online since: February 2013
• Authors: Byeong Jun Kim, Jun Ho Lee, Haeng Bok Lee, Dae Yoon Jung, Seong S. Cheon
• Keywords: Larger-Better Characteristics, Natural Frequency, Optical Structure, Orthogonal Array, Signal-to-Noise Ratio (SNR), Stiffness, Vibration

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