热工非最小相位对象工程控制及整定方法Engineering control and tuning method for thermal non-minimum phase plant
马增辉,梁枫,王连刚
摘要(Abstract):
含有不稳定零点的非最小相位对象在电力生产过程中广泛存在,由于存在非最小相位特性,要求控制系统在确保输出跟踪的同时还要兼顾内部稳定性,在克服系统负调的同时,要尽量提高其响应速度,普通的PID控制难以满足工程应用的需要。基于此,首先,提出了一种非最小相位对象工程控制及其整定方法,设计鲁棒PID控制器实现系统无差控制,提高系统稳定性,同时克服系统负调;然后,设计二阶滤波器,并引入系统位置误差、速度误差、加速度误差信息,以提高系统的响应速度,改善系统动态性能。该方法原理简单,整定方便,易于在DCS中组态实现,且对模型不确定性有较强的鲁棒性,具有较好工程应用价值。
关键词(KeyWords): 非最小相位;H_∞控制;鲁棒PID;二阶滤波;改进帝国竞争算法
基金项目(Foundation): 海南省自然科学基金高层次人才项目(623RC506);; 海南热带海洋学院科研项目(RHDRC202004)~~
作者(Author): 马增辉,梁枫,王连刚
DOI: 10.19666/j.rlfd.202305064
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