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Multivariable generalized predictive control of a boiler system

机译:锅炉系统的多变量广义预测控制

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摘要

An application of a multiloop generalized predictive control (GPC) scheme to achieve self-tuning control of superheat pressure and steam temperatures in a 200 MW power station drum boiler are presented. Controllers have been designed and evaluated using a detailed nonlinear boiler model which is well established and validated. Results illustrating the performance of the plant with GPC are presented and compared with conventional PI control. The results show that substantial improvements in control can be achieved with the GPC. Steam pressure and temperature variations are greatly reduced, without offsets, and with less controller activity.
机译:提出了一种多回路广义预测控制(GPC)方案在200 MW电站鼓式锅炉中实现过热压力和蒸汽温度自调节控制的应用。已经使用详细的非线性锅炉模型对控制器进行了设计和评估,该模型已经建立并得到验证。给出了说明具有GPC的植物性能的结果,并将其与常规PI对照进行了比较。结果表明,使用GPC可以实现控制上的显着改善。蒸汽压力和温度变化大大减少,没有偏移,并且控制器活动减少。

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