The text discusses the software development of PID parameter self-tuning based on VB, and gives the program interface of PID parameter self-tuning.

论述基于VB的PID参数自整定软件开发，给出pid参数自整定程序设计界面。

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In addition, this paper chooses VB to develop application software for PC, and designs interface of interpolation simulation, and compiles interface program of VB and MATLAB, as well as VB and PLC.

另外，选用VB进行PC机应用软件的开发，编制了插补仿真界面，编写了VB与MATLAB接口程序，以及VB与PLC通信的程序。

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Storagespace and external port address was addressed, and VB andassembly language was used to program for the system software.

存储空间和外设端口地址统一编址，软件用VB和汇编语言编程。

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