啤酒发酵系统的半实物仿真研究(英文)

Studyon hardware-in-the-loopsimulation of beer fermentation system

啤酒发酵过程是一个复杂的生化反应过程,控制目标是控制发酵罐内麦汁的温度符合发酵温度曲线,保证发酵的顺利完成。针对控制对象大惯性、大时滞及3个温区相互耦合的特点,我们采用数字增量式PID控制算法实现控制,控制量经过对角阵解耦后作用到控制对象。最后,啤酒发酵系统由VB程序和组态王软件仿真。该系统可以在实验室中完成的,具有安全性高、成本低的特点,非常适用于实验教学。

Beer fermentation process is a complex biochemical reaction process.It is the most important to control temperature of the wort in fermentation tank in accordance with the beer fermentation temperature curve so as to ensure the completion of fermentation.The controlled object is characterized by large inertia,long time delay and mutual coupling of three temperature areas.Based on this,a temperature control method for beer fermentation system is designed.Using digital incremental proportion integration differentiation （PID） control algorithm,the controlled quantity is transmitted to the controlled object after diagonal matrix decoupling.This simulation system can be completed in laboratory using VB and Kingview software,so it has the features of good security and low cost.It is very suitable for experimental teaching.