| 袁锐知， 吴志刚， 杨超 |
（北京航空航天大学 航空科学与工程学院,北京100191） |
 摘要：针对气动弹性试验的需要，设计了基于虚拟仪器技术的振动测试与分析系统，主要用于频谱分析、模态辨识和颤振预测。系统的设计利用的是LabVIEW虚拟仪器开发平台及Matlab，内容涵盖振动信号的采集与分析处理。在地面振动试验和风洞试验中的应用实例验证了该套系统的有效性。 |
| 关键词：气动弹性;模态辨识;颤振预测;虚拟仪器 |
| V215.3文献标识码：A文章编号：1000-8829(2010)06-0014-04 |
| Vibration Testing and Analyzing System Based on Virtual Instrument |
| YUAN Rui-zhi, WU Zhi-gang, YANG Chao |
| （School of Aeronautical Science and Engineering,Behang University,Beijing 100191,China） |
| Abstract：Three subsystems,spectrum analyzer,modal identification and flutter prediction were devised for aeroelastic vibration tests and analysis.The design was based on LabVIEW and Matlab.Three application cases involved ground vibration tests and wind tunnel tests were used to demonstrate the feasibility and efficiency of the system. |
| Key words：aeroelasticity;modal identification;flutter prediction;virtual instrument |
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