YAO Chao-xiu, ZHENG Juan-juan, JIANG Yu-long, ZHAO You-bo
(College of Information and Electrical Engineering, Shandong University of Science and Technology, Qingdao 266590, China)
Abstract： 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.
Key words： beer fermentation system; hardware-in-the-loop simulation; diagonal matrix decoupling; proportion integration differentiation (PID) control algorithm
CLD number： TP391.92 Document code： A
Article ID： 1674-8042(2014)01-0071-04 doi： 10.3969/j.issn.1674-8042.2014.01.015
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啤酒发酵系统的半实物仿真研究
姚超修, 郑娟娟, 蒋玉龙, 赵有波
(山东科技大学 信息与电气工程学院， 山东 青岛 266590)
摘要: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。
关键词:啤酒发酵系统； 半实物仿真； 对角阵解耦； PID 控制算法
引用格式：YAO Chao-xiu, ZHENG Juan-juan, JIANG Yu-long, et al. Study on hardware-in-the-loop simulation of beer fermentation system. Journal of Measurement Science and Instrumentation, 2014, 5(1): 71-74. [doi: 10.3969/j.issn.1674-8042.2014.01.015]
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