针对热轧带钢头部和尾部温度偏差较大的情况，将模糊自整定PID参数控制器用于控制热轧带钢卷取温度。在常规PID调节器的基础上，采用模糊推理思想，根据不同的温度偏差｜e｜和偏差变化率｜ec｜，对PID参数进行在线自整定模糊控制，使控制系统在过程状态参数变化引起｜e｜和｜ec｜变化的初期能及时准确地将｜e｜限制在规定范围内。
As the temperature deviation at leading end and tail of the hot strip is larger than other parts. The fuzzy self-adjustable PID parameter controller can be used to control hot strip coiling temperature. On the basis of conventional PID adjuster, according to different temperature deviation ｜e｜ and its rate ｜ec｜, the parameter self-adjustable fuzzy control can be performed with fuzzy reasoning idea to confine strictly ｜e｜ within a limited range at the beginning of ｜e｜ and ｜ec｜ change caused by variation of process state parameter.
参考文献
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