2011•Yibiao jishu yu chuanganqiRequires access

Design and Application of Virtual Vibration Test and Analysis System Based on LabVIEW

Aijun Hu

Abstract

Virtual vibration test and analysis system was designed and built.The method of how to build the hardware system and the specific functions of the software were introduced.The method of how to use LabVIEW to design the data acquisition and analysis program was proposed.Main programs and partial panels were presented.The vibration signal of actual rotor which was in oil film instability condition was acquired by this system and analyzed by the HHT method realized by LabVIEW.The results show that this system can correctly acquire the vibration signal and get the right analysis result.It can meet the task requirement of vibration test and analysis.

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Key concepts: Vibration, Virtual instrument, Data acquisition, Software, Engineering, SIGNAL (programming language), Rotor (electric), Computer science