自动化仪表
自動化儀錶
자동화의표
PROCESS AUTOMATION INSTRUMENTATION
2014年
8期
19-23
,共5页
WIA-PA%无线%超声泄漏%数字信号处理(DSP)%快速傅里叶变换(FFT)
WIA-PA%無線%超聲洩漏%數字信號處理(DSP)%快速傅裏葉變換(FFT)
WIA-PA%무선%초성설루%수자신호처리(DSP)%쾌속부리협변환(FFT)
WIA-PA%Wireless%Ultrasonic leakage%Digital signal processing(DSP)%Fast Fourier transformation(FFT)
基于WIA-PA技术，设计了一种以TMS320VC5402最小系统为核心的新型无线超声泄漏检测装置。通过搭建无线超声检漏硬件电路，并利用数字信号处理技术对泄漏所产生的超声波强度信号进行FIR滤波，再经过FFT处理和计算得到泄漏量。通过WIA-PA无线通信模块与DSP处理单元通信程序的设计，实现了泄漏数据的无线传输。经测试，无线超声检漏装置安装方便、测量准确、通信可靠。
基于WIA-PA技術，設計瞭一種以TMS320VC5402最小繫統為覈心的新型無線超聲洩漏檢測裝置。通過搭建無線超聲檢漏硬件電路，併利用數字信號處理技術對洩漏所產生的超聲波彊度信號進行FIR濾波，再經過FFT處理和計算得到洩漏量。通過WIA-PA無線通信模塊與DSP處理單元通信程序的設計，實現瞭洩漏數據的無線傳輸。經測試，無線超聲檢漏裝置安裝方便、測量準確、通信可靠。
기우WIA-PA기술，설계료일충이TMS320VC5402최소계통위핵심적신형무선초성설루검측장치。통과탑건무선초성검루경건전로，병이용수자신호처리기술대설루소산생적초성파강도신호진행FIR려파，재경과FFT처리화계산득도설루량。통과WIA-PA무선통신모괴여DSP처리단원통신정서적설계，실현료설루수거적무선전수。경측시，무선초성검루장치안장방편、측량준학、통신가고。
The new wireless ultrasonic leakage detector with minimum system of TMS320VC5402 as the core has been designed based on WIA-PA technology. In the instrument, the wireless ultrasonic leakage detecting hardware circuit is built, by adopting digital signal processing technology and software method, the FIR filtering of ultrasonic intensity signal of leakage is conducted, and the amount of leakage is calculated through FFT processing. The wireless transmission of the leakage data is implemented through designing program of communication between WIA-PA wireless communication module and DSP processing unit. The tests show that the wireless ultrasonic leakage detector is easy for installation, accurate to measure leakage, and reliable for communication.
