Flutter analysis by using H-infinity-norm

Zhi Chun Yang, Ying Song Gu

科研成果: 期刊稿件文章同行评审

摘要

Flutter is a typical dynamic instability phenomenon in aeroelastic systems. It is very important to determine the critical flutter point in aeroelastic analysis. Based on the H-inflnity control theory, we consider an aeroelastic system a multiple-input and multiple-output (MIMO) system, and derive its transfer function matrix. The H-infinity-norm of this transfer matrix will approach to infinity near the critical flutter point. Using this unique property of the H-infinity-norm, we develop a detailed algorithm to automatically search for the flutter point in frequency domain with less complexity than the traditional method. It is demonstrated that the results of the present method are in agreement with those of classical method.

源语言英语
页(从-至)694-696
页数3
期刊Kongzhi Lilun Yu Yingyong/Control Theory and Applications
26
6
出版状态已出版 - 6月 2009

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