半间歇化学反应过程的二维迭代学习PI控制方法A Two Dimensional Iterative Learning PI Control Method for a Batch Reaction Process
杨磊,薄翠梅,李俊,金万勤,高福荣
摘要(Abstract):
论文针对多批次半间歇化学反应过程特性,研究了二维迭代学习PI控制方法。在二维系统的框架下,综合考虑批次轴重复特性和时间轴动态特性,将PI控制器作为内环结构,使用迭代学习(iteratioe learning control, ILC)方法优化参考轨迹,建立二维ILC_PI控制器;以理想的半间歇反应机理模型为对象,进行ILC_PI方法的控制性能测试,分别引入冷流体流量、进料浓度、测量噪声等扰动测试系统性能,与变参数PID控制方法进行对比分析研究,仿真结果表明二维ILC_PI控制系统,可有效抑制不同类型重复扰动,实现动态特性大范围变化下的反应温度高精度控制。
关键词(KeyWords): 间歇过程;二维系统;迭代学习PI控制;半间歇反应
基金项目(Foundation): 国家自然科学基金(61673205,21727818);; 材料化学工程国家重点实验室开放课题(KL16-07);; 江苏省六大高峰计划创新团队(TD-JMHB-009)
作者(Author): 杨磊,薄翠梅,李俊,金万勤,高福荣
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