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针对集中供热系统中的热工过程对象(如换热机组)具有大惯性、大时滞、时变和非线性等动态特性,建立了它的CARIMA模型和基于该模型的供水温度广义预测控制系统。利用Matlab对该控制系统进行了仿真。结果表明:广义预测控制(GPC)可以应用于热工过程控制中,并能取得良好的控制品质和鲁棒性。
In view of the dynamic characteristics of the thermal process objects (such as heat exchange units) in the central heating system with large inertia, large time delay, time-varying and non-linearity, the CARIMA model and the general predictive control system. The control system was simulated by Matlab. The results show that generalized predictive control (GPC) can be applied in thermal process control and can achieve good control quality and robustness.