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针对锅炉大迟延、大惯性特性,提出一种新型控制方法。该方法首先由预测器预测出未来过程输出,然后根据偏差状况及预测输出变化趋势通过模仿人的控制思维方式来选择相应控制强度。在过热汽温控制系统应用仿真结果表明:其控制品质优于常规控制规律,并具有较强鲁棒性。
Aiming at the large delay and large inertia of boiler, a new control method is proposed. The method first predicts the output of the future process by the predictor, and then selects the corresponding control intensity by imitating human’s control thinking mode according to the deviation status and the forecast output change trend. The simulation results of superheated steam temperature control system show that the control quality is superior to the conventional control law and has strong robustness.