该文介绍了CFM56-3民航发动机故障诊断系统的基本概念方法,阐述了发动机控制系统故障诊断分析系统的研究。通过将故障隔离手册通过VB编程对其进行可视化,对CFM56-3发动机故障诊断进行指导和分析,并介绍发动机地面试车验证和诊断故障的方法,指出了该领域有值得更加深入研究的参考价值和发展趋势。 This paper introduces the basic concepts and methods of the CFM56-3 civil aviation engine fault diagnosis system, and expounds the research of the engine control system fault diagnosis and analysis system. Visualize the fault isolation manual through VB programming, guide and analyze the CFM56-3 engine fault diagnosis, and introduce the method of engine ground test to verify and diagnose the fault. It is pointed out that there is a reference value worthy of further study in this field. development trend.