基于嵌入式和DSP的电力谐波分析仪的设计  

Design of a Power Harmonic Analyzer Based on Embedment and DSP

作　　者：杨润贤[1] 郑恩让[1] 

机构地区：[1]陕西科技大学电气与电子工程学院,陕西咸阳712081

出　　处：《计算机测量与控制》2006年第10期1380-1383,共4页Computer Measurement &Control

摘　　要：文章在对嵌入式操作系统μC/OS-II和数字信号处理(Digital Signal Processing,DSP)技术进行简要介绍的基础上,分析了快速傅立叶变换(Fast fourier transform,FFT)算法及其在DSP中的实现,并结合其在电力谐波分析装置中的应用,介绍了一种以实时操作系统μC/OS-II为操作平台、采用FFT谐波检测方法、通过DSP谐波检测技术来实现电力谐波检测的装置,使电力谐波分析的可靠性和实时性得到了很大程度的提高,同时也给出了系统实现的硬件框图和软件流程以及设计中应解决的关键问题。On the basis of introducing briefly embedded operating system-/μC/OS-Ⅱ and technology of digital signal processing, fast fourier transform （FFT） algorithm and its realization in DSP are analyzed. A power harmonic analyzer is discussed, which uses real- time ＇ s embedded operating system-μC/OS-Ⅱ as operating platform, and adopts FFT as the method of harmonic detection, and uses DSP as the realizing technology of harmonic detection, reliability and real time＇s quality of power harmonic analyzer＇s will be great improved. It presents hardware＇s chart and software＇s flow, and presents thoughts and key points to resolve key＇s problems in system＇s realization.

关 键 词：嵌入式操作系统 数字信号处理 快速傅立叶变化 谐波 可靠性 实时性 

分 类 号：TN911.72[电子电信—通信与信息系统]