基于模糊逻辑系统的发酵过程预估控制

The Design of Predictive controller based on Fuzzy logic in Fermentation Process

本文提出基于模糊逻辑系统的发酵溶解氧的预估控制方法 ,采用表格查寻学习算法建立模糊预估规则 ,通过这些模糊规则预估出发酵通风量的操作值 ,进而控制溶解氧水平。实验结果表明 :按该方法进行控制 ,通风量能按设定优化轨迹变化 ,从而节约供氧能量 ,防止出现氧限制的情况 ,为发酵过程控制提供了一条新的途径。

This paper introduces a predictive controller for dissolved oxygen(DO)in L-isoleucine fermentation.The rules of predictive controller are constructed by table lookup algorithms of fuzzy logic.Simulation result shows that predictive controller can optimize air flow's trajectory and keep a good DO value.