| 摘要 本文介绍了以8031单片机为核心的蛋白质水解控制器的工作原理和设计方法。文中介绍了该控制器的硬件部分，包括：温度检测电路、温度控制电路和一些接口电路（如：EPROM扩展接口、并行I/O接口、A/D转换接口等）。此外，文中还着重介绍了软件设计部分，在这里采用模块化结构，主要模块有：TO中断服务程序、分段控制程序、给定值计算程序、采样程序、数字滤波程序以及PID计算程序等。本设计也可用于其它的温度控制系统。 Abstract: This paper introduces the principle and the designing methods of proteolysis controller, and the main is 8031 single - chip computer. At first, the paper gives the hardware parts on this system. These circuits include: temperature monitor, temperature controller and a few meets, which include EPROM expand, I/O parallel interface and A/D conversion etc. In addition, the main of this paper is the software parts. And the modular programming is used in the paper. The main modules include: To interrupt service routine, segmentation routine, predetermine value routine, sampling routine, digital filtering routine and PID calculating routine etc. This design is used for the others of temperature controller in common. Key Word: Single–chip computer Proteolysis controller Temperature monitor Temperature controller Analog Digital conversion Process ID calculation |
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