摘要
分析了利用超声波时差法测量风速风向的基本原理,设计了基于ARM-Linux和CPLD微处理器的移动式风速仪。给出了以S3C6410和EPM570T100C5为处理核心的超声波风速仪的设计实现方法。重点阐述了超声波驱动电路、信号调理电路、Linux移植以及系统软件的设计。测试结果表明,该系统可以实现对风的精确测量,且工作稳定可靠。
The principle of measurement of wind speed and direction using ultrasonic time-of-flight was introduced. The design of mobile ultrasonic anemometer based on ARM-Linux and CPLD was described. The method of ultrasonic anemometer based on S3C6410 and EPM570T100C5 was given. The driving circuit, signal conditioning circuit, Linux transplantation and the software design were introduced. The experiment results show that the system can accurately measure wind speed and direction. It also has others advantages such as good reliability.
出处
《电子技术应用》
北大核心
2014年第8期27-30,共4页
Application of Electronic Technique
基金
安徽省高校省级自然科学研究项目(KJ2011Z135)
中科院光电技术研究所微细加工光学技术国家重点实验室开放基金
