| 基于CPLD与单片机的光栅位移测量系统的设计 |
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| 引用本文： | 胡林.基于CPLD与单片机的光栅位移测量系统的设计[J].电子测量技术,2010,33(11):81-83. |
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| 作者姓名： | 胡林 |
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| 作者单位： | 南京理工大学机械工程学院,南京,210094 |
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| 摘 要： | 提出一种基于CPLD和单片机的光栅位移测量系统的设计,采用CPLD对光栅尺输出信号进行处理,单片机读CPLD处理后的数据并在实时显示。硬件部分以AT89C52为控制核心,以CPLD芯片EPM7128SLC84-15实现光栅信号的细分、辨向和计数等。单片机软件部分主要包括3个部分：一是单片机通过LED显示接收到的数据;二是断电保持模块;三是数据通信模块,通过RS232串口与上位机通信。结果证明所设计的光栅位移测量系统能够满足高速采样与存储的要求,可以用于实际的光栅位移的测量。
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| 关 键 词： | 光栅尺 CPLD 单片机 位移测量 |
Design of grating displacement measure system based on CPLD and microchip |
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| Hu Lin.Design of grating displacement measure system based on CPLD and microchip[J].Electronic Measurement Technology,2010,33(11):81-83. |
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| Authors: | Hu Lin |
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| Affiliation: | Hu Lin(School of Mechanical Engineering,NJUST,Nanjing 210094) |
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| Abstract: | A design of grating displacement measure system based on CPLD and microchip,is used for processing the output signal of the grating on CPLD,The microchip read the data after CPLD processing and display it at the real time.The hardware of the system is made up of AT89C52 as the main processor,the CPLD chip EPM7128SLC84-15 is used to process the signal.The software of the system has three portions: the first portion is the microchip display the data by LED;the second is the module of the power off;the third i... |
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| Keywords: | grating CPLD microchip displacement measure |
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