激光非接触测量在车辆油底壳模态分析中的应用

Application of No-Contact Measuring by Laser in Modal Analysis of the oil-box of the Vehical

主要介绍激光非接触测量系统的组成、测量原理及其在模态分析中的应用 .并以车辆油底壳为例做了详细的论述 .结果表明 :激光测量对于测量薄板结构的振动有很高的精度 .

This paper the component and the measuing principle of the laser no-contact system and its application in the modal anslysis are mainly introduced.A example used in the oil-box is discussed in detail.The results show that laser no-contact has the high precision in the measuring vibration of the sheet structure.