基于DSP和LabVIEW的飞机气密性检测系统  

Inspection Instrument for Aircraft Gas System Sealing Using DSP and LabVIEW

作　　者：李俊杰[1] 王宏伟[1] 王俊生[1] 

机构地区：[1]空军航空大学航空机械工程系,吉林长春130022

出　　处：《仪表技术与传感器》2010年第11期47-49,52,共4页Instrument Technique and Sensor

摘　　要：利用超声换能器阵列采集泄漏超声信号,采用TMS320f2812芯片作为仪器的信号处理芯片和LabVIEW图形化开发语言,研制了手持式检测仪和泄漏分析软件结合的气体泄漏检测系统。该检测系统检测精度较高,对气体泄漏可以实现实时检测与趋势预测,将该系统在某型军用飞机上进行实验验证,验证该仪器的检测精度。Ultrasonic transducer array collected leak ultrasonic signals were used,chip TMS320f2812 was adopted as the instrument signal processing chip and LabVIEW programming analysis software.This paper developed a hand-held aircraft gas system leak detector and leak analysis software,which constitute detection system.The system has real-time detection and post analysis function,real-time detection and forecast of gas leakage trend can be achieved,simultaneously achieve air tightness testing of intelligent demand.

关 键 词：飞机气体系统 气密性检测 数字信号处理器 虚拟仪器 

分 类 号：V233.3[航空宇航科学与技术—航空宇航推进理论与工程] V245.3