基于ARMA模型的往复式压缩机状态预测

Study of Reciprocating Compressor Condition Forecasting Based on ARMA Model

论述了ARMA模型的构造及运用模型解决问题的方法,介绍了模型的建立过程,并将其应用到往复压缩机状态预测体系中,得到了预测值与实际值的拟合图。结果表明,应用ARMA模型法预测往复式压缩机的运行状态是可信的和准确的,预测机械故障是可行的。

Structure and method settling question ot ARMA model are studied, procedure of ARMA model is discussed. According to material item, ARMA model is applied to analyze trend forecasting of reciprocating compressor running condition. The model is testified by experimental data, trend figure of forecasting numerical value and fact value is gained,and results proves to be reliable and accuracy,revealing feasibility of forecasting fault by ARMA model.