The numerical results of the model show that the prediction precision is improved and the iteration number is much less than that by the normal BP network model.

• 应用IGA-BP网络模型对高炉铁水硅含量进行了预测,数值结果对比发现,该模型提高了预测精度的同时,迭代次数比一般BP网络模型也大大减少;