某机载计算机平台BIT设计及验证技术

A built-in test design and validate technology of aeronautic calculator

机载计算机平台作为复杂航空电子设备，具有数字化程度高、信号交联复杂、通道数多等特点，通过分析计算机平台各部件的功能及故障模式，制定计算机平台的BIT设计方案和进行BIT分析设计，最后进行了BIT指标评估及验证试验，该型计算机平台能够完成系统要求的计算机BIT检测内容，满足系统要求，提高了系统的任务可靠性和安全性，减少了系统维修时间。

Aeronautic calculator is intricate equipment, higher digital, complicated signal, added channels, this article analyse aeronautic calculator＇s function and failure mode, institute aeronautic calculator＇s scheme, design and analyse built-in test, evaluate and validate built-in test,this aeronautic calculator is satisfaction, this technology enhance reliability and security of equipment, reduce time of rehabilitate enormously.