[1]陈勇,高亹,陶宝祺.复合材料构件气动载荷响应主动控制技术研究[J].东南大学学报(自然科学版),2000,30(3):75-79.[doi:10.3969/j.issn.1001-0505.2000.03.016]
 Chen Yong,Gao Wei,Tao Baoqi.Active Vibration Control of Composite Structures Induced by Aero-Buffeting Load[J].Journal of Southeast University (Natural Science Edition),2000,30(3):75-79.[doi:10.3969/j.issn.1001-0505.2000.03.016]
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复合材料构件气动载荷响应主动控制技术研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
30
期数:
2000年第3期
页码:
75-79
栏目:
数学、物理学、力学
出版日期:
2000-05-20

文章信息/Info

Title:
Active Vibration Control of Composite Structures Induced by Aero-Buffeting Load
作者:
陈勇1 高亹1 陶宝祺2
1 东南大学国家火电机组振动工程研究中心,南京 210096; 2 南京航空航天大学智能材料与结构航空科技重点实验室,南京 210016
Author(s):
Chen Yong1 Gao Wei1 Tao Baoqi2
1 National Research Center of Turbo Engine Vibration, Southeast University, Nanjing 210096
2 Aeronautical Key Lab for Smart Materials and Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016
关键词:
复合材料 气动载荷 振动控制 自适应控制 智能材料与结构
Keywords:
composite material aero-elastic buffet vibration suppression adaptive control smart materials and structures
分类号:
O32;TB323
DOI:
10.3969/j.issn.1001-0505.2000.03.016
摘要:
飞机由于高频涡流的作用,局部复合材料构件承受面外脉动冲击载荷,产生累积疲劳损伤.本文采用13型压电片粘贴在复合材料构件表面,测量构件在交变气动载荷下的应变,应用自适应振动前馈控制原理,施加电压主动控制压电驱动器的变形,实现对复合材料构件的应变驱动,从而提高壁板构件的模态阻尼,减小动态响应,达到减小复合材料构件疲劳损伤的目的.实验结果表明构件的应变幅值得到了有效的抑制.
Abstract:
One of the aero-elastic phenomena associated with composite structure in high performance aircraft is the high frequency vortex-induced out-of-plane buffeting load. The buffeting load can lead to high cyclic strain and stress, and dramatically reduce the fatigue life of composite structures. In this paper, piezoelectric patches are bonded on the surface of composite panel. The response of the structure is measured using bonded piezoelectric sensors. A filtered adaptive controller is used to control the deformation of piezoelectric actuators actively, so as to increase the modal damping coefficient of the panel, suppress the dynamic response and to improve the fatigue performance of the structure. Experimental results indicate that the strain in composite structures can be suppressed effectively.

参考文献/References:

[1] Gordon Long.Future directions in aeronautical composites.In:Green John,ed.Proceedings of the 21stCongress of the Council of the Aeronautical Sciences.Melbourne:International Council of the Aeronautical Sciences and the American Institute of Aeronautics and Astronautics,1998
[2] 航空航天工业部科学技术研究院.复合材料设计手册.北京:航空工业出版社,1990.12~14
[3] 金江,陈勇,陶宝祺.压电层合板有限元分析.上海力学,1998,18(4):298~304
[4] 顾仲权,马扣根,陈卫东.振动主动控制.北京:国防工业出版社,1997.118~121

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金、航空科学联合资助重点项目(59635140).
第一作者:男, 1969年生, 博士后,讲师.
更新日期/Last Update: 2000-05-20