真空熱試驗測控儀器驅(qū)動器通用化設計

General design of instrument drivers for the measurement and control system in vacuum thermal tests

摘要: 航天器真空熱試驗中溫度的測量和外熱流的模擬使用到多種不同型號的測控儀器，這些儀器驅(qū)動方式也大不相同，這給測控系統(tǒng)應用軟件的開發(fā)帶來很多不便。文章基于VISA（虛擬儀器軟件結(jié)構(gòu)）標準針對目前使用的各種儀器編寫了通用的驅(qū)動函數(shù)，并以動態(tài)鏈接庫的形式進行封裝，可以供調(diào)用進行二次開發(fā)，有利于儀器驅(qū)動配置過程的簡化和測控軟件的通用化設計。

Abstract: In the vacuum thermal tests for spacecraft, various kinds of programmable instrument are used, with different communication interfaces, bus types and driving modes, and it is often difficult to develop the application software for measurement and control with universality and inheritance. This paper develops universal instrument driver functions based on VISA, which are encapsulated with the dynamic link library technology to be easily called by users in secondary developments. These functions could simplify the configuration of the instrument driving process and the general design of the measurement and control software.

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