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中文摘要：
针对汽提塔生产过程具有非线性、强耦合、大时滞及温度难以精确控制的问题,设计了基于变论域模糊PID的汽提塔温度控制系统.选取了基于模糊规则的伸缩因子,将变论域思想和模糊PID相结合,形成变论域模糊PID控制系统结构.分别对常规PID算法、模糊PID算法及变论域模糊PID算法的汽提塔温度控制系统的仿真曲线进行对比.仿真结果表明：变论域模糊PID控制算法有更快的响应速度、更小的超调量和更好的跟踪性能.
英文摘要：
The stripping process in a stripper is characterized by high nonlinearity,large time delay,strong coupling and that the temperature is difficult to control accurately.A stripper temperature control system based on the variable universe fuzzy-PID was therefore designed.With the scale factor chosen according to fuzzy rules and the concept of variable universe combined with fuzzy-PID,a variable universe fuzzy-PID control system was formed.Then,the three simulation curves of conventional PID algorithm,fuzzy-PID algorithm and variable universe fuzzy-PID algorithm of the stripper temperature control system were compared with each other,and the results showed that the variable universe fuzzy-PID control algorithm has a shorter response time,smaller overshoot and better tracking performance.
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