在工程计算和在线控制中,关于如何选取加权系数λ,尚缺乏合理、精确的方法。本文利用生产数据的统计分析法,建立了λ的回归模型。作者认为:该模型所选取的自变量以及模型结构是合理的,不仅可以保证和原模型计算方法具有相同的精度,而且在进行压力预报计算时,其计算时间几乎缩短一半。 In engineering calculation and on-line control, there is a lack of reasonable and accurate methods on how to choose the weighting coefficient λ. In this paper, the statistical analysis of production data, the establishment of the λ regression model. The author believes that the independent variable and model structure selected by this model is reasonable, which not only guarantees the same accuracy as the original model calculation method, but also reduces the calculation time almost by half in the pressure forecast calculation.