【摘要】 结合实际工程项目,运用LabWIEW图形化语言和多功能采集卡PCI-6221,开发了一种以扫频方式快速准确测量多自由度系统各阶固有频率和振型的动态特性测试系统,通过实际实验模态分析结果与运用理论ANSYS分析的结果相对比后,得出结论,本系统可获得准确可靠的数据,具有较高的应用和参考价值。更多还原

【Abstract】 Consociates reality Project,utilizes graphic language Lab VIEW and multi-function data acquisition card PCI-6221,exploits a Dynamic Test System which can sweeping quickly and accurately measuring multi-DOF system natural frequencies and mode of vibration,at the same time,compares experimental modal results with ANSYS analysis results and can draw a conclusion that this system can get accurate and reliable data,has very important in application and advising.更多还原