After some variables which are related to oversaturation are analyzed on the base of second parameter principle of modeling soft sensor, temperature and brix are choosed to model soft sensor of massecuite oversaturation.

• 本文在分析煮糖过程中与过饱和度相关诸多变量的基础上，依据软测量建模对二次变量的选择原则，温度、锤度被选为建立过饱和度软测量模型的二次变量。