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针对飞机水平尾翼故障诊断研究的具体需求,采用基于MFC的Vega软件开发了可视化故障诊断虚拟实验平台。根据不同飞行任务特征,对水平尾翼进行了载荷分析,利用概率断裂力学原理建立了水平尾翼疲劳裂纹的数学模型,实现了故障数据的动态获取和故障形成过程的可视化显示。实验结果表明,该实验平台能为研究人员提供可靠的诊断依据,还能提供直观的交互界面,基本满足水平尾翼故障诊断验证要求。
According to the specific requirements of aircraft tailplane fault diagnosis research, a visual fault diagnosis virtual experiment platform based on MFC was developed. According to the characteristics of different flight missions, the load analysis of the tailplane is carried out. The mathematical model of horizontal tail fissure crack is established by using the principle of probability fracture mechanics. The dynamic acquisition of fault data and the visualization of fault formation process are realized. The experimental results show that the experimental platform can provide reliable diagnosis basis for researchers and provide an intuitive interactive interface to meet the requirements of the horizontal tail fault diagnosis and verification.