便携式多功能校准仪在专用测试设备现场校准中的应用

摘要

航天工程专用测试设备具有系统复杂、参数多、不易移动的特点，常用校准方法复杂度高、效率低、成本高。为保证航天工程科研生产的顺利进行，专用测试设备的准确可靠及可溯源性越来越受到研制、生产和使用方的重视，并介绍了五种常用的专用测试设备校准方法。并针对目前常用校准方法的不足，提出将便携式多功能校准仪应用在专用测试设备现场校准的新方法，给出了不确定度分析。%Specialized test equipment (STE) for aerospace product should be accurate, reliable and traceable, and it is recognized by both STE manufacturers and users. Five traditional methods for calibra-ting STE are described. Because most STE have characteristics of operating complexity, excessive param-eters and bad mobility, traditional STE calibrating methods are complicated, low efficient and expensive. A new method that portable and multifunctional calibrating instrument is applied to the field STE calibra-ting is introduced, and it is proved by two cases. At last uncertainty of the new STE calibrating method is analyzed.