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大滞后问题是过程控制领域中十分引人注目的课题。本文通过对Smith预估器原理、性能的分析,揭示了Smith预估器对不同模型参数的不同敏感性,给出了自适应Smith预估器的设计原则,列表说明了计算机进行数字仿真的结果。
The big lag problem is a very compelling subject in the field of process control. In this paper, the principle and performance of Smith predictor are analyzed to reveal the different sensitivities of Smith predictor to different model parameters. The design principle of adaptive Smith predictor is given. The list shows the result of computer simulation .