In the paper, the Neural Network model of metal content mainly monitored in the lubricating oil monitoring system of aeroengine is built by the method of Neural Network.

• 利用神经网络方法对某型航空发动机滑油监控系统中需重点监控的金属元素含量建立了网络 ,并根据该模型对其含量变化趋势进行了预测分析。