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就MSC-51系列单片机测控技术应用于平板导热系数仪的研制提出了方法,介绍了16位∑-△串行A/D转换器AD7705与单片机在信号采集中的应用,热电偶信号的冷端补偿方法以及晶闸管的单片机控制,对数字PID算法提出了新的应用方式。
This paper presents a method of applying the measurement and control technology of MSC-51 series single-chip microcomputer to the development of flat-plate thermal conductivity meter. The application of 16-bit Σ-Δ serial A / D converter AD7705 and single chip microcomputer in signal acquisition is introduced. The cold end of the thermocouple signal Compensation methods and thyristor microcontroller control, digital PID algorithm proposed a new application.