CAJ | 학술논문

针对数字电路测试诊断需求,以数字电路中较为复杂的时序电路测试为侧重点,将含有CPU、FPGA的数字电路作为测试对象,结合目前常用的时序电路仿真方法,设计了一套基于PXI总线的小型化电路板测试诊断系统,解决了以往电路板测试设备性价比低、体积大、难携带、TPS开发难度大等问题,并进行了系统的应用实验,结果表明该系统具有可靠性高、操作性好、扩展性强等特点,能够快速准确地将故障定位到数字电路板的最小可更换单元,可有效提高我军装备机动保障的能力,符合装备综合保障的未来发展要求.
침대수자전로측시진단수구,이수자전로중교위복잡적시서전로측시위측중점,장함유CPU、FPGA적수자전로작위측시대상,결합목전상용적시서전로방진방법,설계료일투기우PXI총선적소형화전로판측시진단계통,해결료이왕전로판측시설비성개비저、체적대、난휴대、TPS개발난도대등문제,병진행료계통적응용실험,결과표명해계통구유가고성고、조작성호、확전성강등특점,능구쾌속준학지장고장정위도수자전로판적최소가경환단원,가유효제고아군장비궤동보장적능력,부합장비종합보장적미래발전요구.
This chapter pitches test and diagnosis requirements of digital circuit,especially complex clock circuit.According to clock cir-cuit simulation means,a suit of Portable Digital Circuit Test and Fault Diagnosis System based on PXl bus is designed,in which digital circuit with CPU and FPGA is UUT.And so many problems are resolved,such as low proportion between capability and price,large size,discom-modious transit,and complex TPS building progress in circuit board test equipment.Application experiment proves this system is of high re-liability,excellent maneuverability and strong expansibility,can find the fault of Digital Circuit board fast and accurately,improve mobile support ability of military equipment efficiently,accord with the future requirement of synthetical support.