鲁棒自适应前馈控制器及其在间歇式余热锅炉给水系统中的应用
A Robust Adaptive Feedforward Controller and Application to a Waste Heat Boiler Feed System
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摘要: 本文提出了基于降阶模型的自适应前馈控制器.当被控对象是开环不稳定或是非最小相 位系统,当存在未建模动态时,当受到有界干扰和可测干扰作用时该控制器不仅可以使自适 应控制系统稳定运行,而且实现对可测干扰的补偿.本文将该控制器应用于本溪第二炼钢厂 间歇式余热锅炉给水系统获得满意效果.Abstract: An adaptive feedforward controller with model reduction is presented in this paper. For unstable and/or nonminimum phase system disturbed by measurable disturable disturbances and/or bounded disturbances, this controller is not noly able to make the resulting adaptive control system stable but also can compensate measurable disturbances effectively in the presence of unmodelled dynamics. This controller is also applied to a waste heat boiler feed system of Benxi Second Steel Plant. The satisfactory results are also obtained.
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