计测技术
計測技術
계측기술
METROLOGY & MEASUREMENT TECHNOLOGY
2015年
2期
19-22
,共4页
激光测振仪%聚焦扫描%步进电机
激光測振儀%聚焦掃描%步進電機
격광측진의%취초소묘%보진전궤
laser vibrometer%focusing and scanning%stepper motor
针对单点式激光测振仪在测量中的缺陷,本文提出了一种聚焦扫描的测量方式。利用三个步进电机实现对聚焦扫描的控制,其中一个电机控制透镜的移动实现变焦,另外两个电机控制平面镜转向实现光斑位置的移动。设计了聚焦扫描算法,通过实验验证了该方法的实用性。
針對單點式激光測振儀在測量中的缺陷,本文提齣瞭一種聚焦掃描的測量方式。利用三箇步進電機實現對聚焦掃描的控製,其中一箇電機控製透鏡的移動實現變焦,另外兩箇電機控製平麵鏡轉嚮實現光斑位置的移動。設計瞭聚焦掃描算法,通過實驗驗證瞭該方法的實用性。
침대단점식격광측진의재측량중적결함,본문제출료일충취초소묘적측량방식。이용삼개보진전궤실현대취초소묘적공제,기중일개전궤공제투경적이동실현변초,령외량개전궤공제평면경전향실현광반위치적이동。설계료취초소묘산법,통과실험험증료해방법적실용성。
A method of focusing and scanning measurement is proposed to solve the flexibility defects of measurement with single-point laser vibrometers. Three stepper motors are utilized to control the focusing and scanning; one of three stepper motors controls the moving of optical lens to realize zoom variable focal length, and the other two stepper motors control the plane mirror to move toward the light spots location. The test proves the practical value of the designed arithmetic of focusing and scanning.