为实现机载雷达故障的快速准确定位,根据装备外场保障的需求,设计了一种机载雷达便携式维修辅助系统.该系统硬件平台采用PXI的结构体系,利用虚拟仪器技术+测试模块插件结合的方法,可将故障隔离到可更换单元.本文介绍了该便携式维修辅助设备(PMA)的设计思想,对硬件架构、软件系统组成及功能设计等进行了论述.在某型机载雷达设备的现场保障使用中,实现了雷达数据的快速提取、故障的快速隔离诊断、雷达健康状态的完整记录及对外场作业的全流程管控,能够满足基层部队的维修保障需求.
According to the requirements on site,we design a kind of portable maintenance assistant system equipment for airborne radar.Its system hardware platform adopts PXI structural system and possesses good compatibility and expansibility.This paper introduces design thought for this equipment (PMA) and expatiates its hardware structure;software system and functional design etc.during field support on some airborne radar site,this equipment (PMA) realizes fast extraction of radar data,quick diagnosis and isolation of failure,complete record for radar health state and the whole process control for field operation with fair reputation.