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科技导报  2014 

PLC模糊PID控制系统在培养基发酵温度控制中的应用

DOI: 10.3981/j.issn.1000-7857.2014.32.007, PP. 41-45

Keywords: 培养基,发酵,PLC,模糊PID

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Abstract:

为解决培养基二次发酵存在成品率低、产品同一性差、自动化水平低、能耗高及发酵隧道内温度控制的复杂性等问题,提出了基于PLC的计算机控制系统,应用PLC实现了计算机对发酵过程的数据采集和实时控制。该系统采用模糊PID控制算法,其中模糊控制器和PID调节器都通过PLC实现,保留了PLC控制系统抗干扰能力强、控制灵活、可靠等特点,提高了控制系统的智能化水平和精度。实际应用表明,该系统能有效控制培养基二次发酵隧道内的温度,提高设备自动化水平、产品的品质,减少人力损耗和成本。

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