为了提高航线排故的快速性和准确性，依靠大量运营数据资源，研究了基于参数分析的飞机系统故障诊断方法。在对波音777空调系统的工作原理和系统建模进行分析基础上，建立空调系统数学模型，提出波音777飞机空调系统故障的参数分析诊断方法。通过实际故障诊断案例验证了该方法对提高飞机系统维修效率的作用。%In order to improve the rapidity and accuracy of trouble shooting, the aircraft system fault diagnosis approach with parameter analysis was presented by the operation data resource. Based on the analysis of Boeing 777 air condition system principle and modeling, the air condition module mathematical model was built, and moreover, the Boeing 777 air condition system fault diagnosis approach with parameter analysis was presented. The effect of such approach to enhance system maintenance efifciency is validated by the actual fault diagnosis case.
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