本课题以西安某航空研究所航控板故障自动检测系统的设计为背景，按照测试要求设计并实现了航控板故障自动检测系统，包括对系统硬件平台集成、测试自动化、故障定位自动化、遇故障自动断电及良好的人机交互界面等相关设计。在分析国内外测试平台搭建方法的基础上，设计了一种基于PXI总线、PXI-1045机箱、MXI-4光纤通信、NI板卡、Labview8.0专业开发板，及LM3S600的航控板故障检测系统通用平台，这种方法对传统电路测试工作量大，人员操作不规范，提出了故障自动测试系统方案，并将测试信息通过以太网传至远端以供工程师确认故障状态，提高了测试速度和可靠性。 硬件方面，分析了测试大纲和待测项的要求，以NI板卡为测试系统硬件集成基础，设计了一种基于Labview的航控板故障检测系统，系统设计包括基于Labview的上位机监控程序的开发、PXI-1045机箱及MXI-4光纤通信套件的选用、还有测试结果远端传输的设计等。后期完善系统过程中又设计了以LM3S600为核心构成的电子负载板作为新老设备之间匹配的电路。 软件方面，在Labview8.0专业开发版的软件环境下，进行了系统软件的设计与调试，实现了硬件配置和整个系统所有测试和控制功能：实现了基于状态机和事件结构的Labview的软件主框架搭建；通过动态调用及数据库机制LABSQL实现了测试要求中测试子项程序的分层调用；并参照测试大纲设计了基于Access的故障定位查询，从而使得故障定位自动化；实现了测试结果数据的分析及实时显示和保存；通过Labview的Web Publishing Tool实现了测试数据的远端传输。 通过对设计的“航控板故障检测系统”的现场调试和试用，表明该系统运行稳定，实现了预期的全部功能，现场的实际应用表明，它对提高航控板故障检测快速性，保证产品质量具有积极意义，取得了较好效果。

This issue takes the research of a certain air control board’s fault auto-detection system as the background. According to the testing requirements, the air control board fault auto-detection system is designed and implemented. It includes the following characteristic, the integration of system hardware platform, test automation, fault location automation, automatic power off when faults occurred, and good human-machine interface. Based on the analysis of build methods of test platform at home and abroad, this paper presents a common platform of air control board’ fault auto-detection system which is based on PXI bus, PXI-1045 chassis, MXI-4 optical fiber communications, NI card, the Labview8.0 and LM3S600. This approach puts forward a fault automatic test system for the traditional circuit test’s heavy work and also avoids the non-standard personnel operating. The test result is transmitted to the remote computer via Ethernet so that the engineers can confirm the fault condition. As a result, this method improves the reliability and speed of the test. In term of the hardware, after analysis the requirements of the test outline and the test item, PXI board is selected as the basis of the system’s hardware. In addition, the design of the system is composed of the HMI based on Labview8.0 professional development version, PXI-1045 chassis, MXI-4 fiber optic communications, and the transmitting of the testing process to remote control PC via Ethernet. What’s more, an electronic load board based on LM3S600 is designed for the matching circuits of old and new equipment. In reference to the software, Labview8.0 professional development version is used as the basis of the design of HMI. Under this kind of software environment, the design and debugging of the system was carried out. The work consists of the implement of Labview software’s frame structures which is based on the state machine and event structure, the calling of sub-item in test requirements which is achieved through the dynamic calls and search in the database system using the LABSQL, the automatic location of the fault point based on the query in Access, the analysis and real-time display of the test data, and the remote transmission of test data via web publishing tool. By the on-site debugging and trial of the system, it is proved that the system is running stable, and achieves all functionality as expected. It presents that the design has positive meaningful to improve the rapidity of circuit board’s fault detection and ensures the quality of product.