| 指针式仪表数据智能采集系统设计 |
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| 引用本文： | 王怡,赵菁,文时祥.指针式仪表数据智能采集系统设计[J].电子科技,2011,24(3):13-17. |
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| 作者姓名： | 王怡 赵菁 文时祥 |
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| 作者单位： | (西安电子科技大学 电子工程学院,陕西 西安 710071) |
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| 摘 要： | 系统采用ADSP-BF533+FPGA EP1C6T144C8架构,可实现图像采集、指针仪表识别与读数、数据传输等功能。DSP通过对采集到的图像进行灰度变换、边沿检测以及Hough变换等处理后,实现对指针式仪表表盘的识别、指针定位和读数计算,以及指针读数的存储和传输。系统可通过串口实现组网测量与数据传输。FPGA接收DSP的指令,实现对COMS摄像头采集控制、键盘扫描以及各器件的片选信号产生等功能。利用计算机SQL Server数据库技术编写上位机程序,可对测量数据进行管理和备份。
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| 关 键 词： | DSP技术 Hough变换 SQL Server 数据采集 ADSP-BF533 |
Design of the Intelligent Data Acquisition System for the Pointer Instrument |
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| Wang Yi,Zhao Jing,Wen Shixiang.Design of the Intelligent Data Acquisition System for the Pointer Instrument[J].Electronic Science and Technology,2011,24(3):13-17. |
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| Authors: | Wang Yi Zhao Jing Wen Shixiang |
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| Affiliation: | (School of Electronic Engineering,Xidian University,Xi'an 710071,China) |
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| Abstract: | The system designed with the ADSP-BF533+FPGA EP1C6T144C8 architecture achieves such functions as image acquisition,target identification and meter reading,and USB transmission.DSP processes the collected image gray-scale transformation,edge detection and Hough transform to achieve recognize the pointer instrument dial,position the pointer,calculate the reading,and store and transmit the pointer reading.The system can achieve network measurement and data transmission using the RS485 bus.FPGA receives DSP's i... |
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| Keywords: | SQL Server ADSP-BF533 |
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