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本文在控制策略上,对谷氨酸发酵过程的温度和pH值控制系统分别采用了非线性、变比例增益的实际微分PID算法与智能——模糊控制算法。现场投运表明,此微机控制策略正确、有效,控制软件智能较高,能缩短发酵周期,提高产酸2.26％,节省尿素5％。该成果获得90年广东省高教三等奖。
In this paper, the control strategy, the glutamic acid fermentation process temperature and pH control systems were used nonlinear, variable proportional gain of the actual differential PID algorithm and intelligent - fuzzy control algorithm. On-site commissioning shows that this microcomputer control strategy is correct and effective, high control software intelligence can shorten the fermentation cycle, increase acid 2.26%, saving 5% urea. The achievements won the third prize of higher education in Guangdong Province for 90 years.