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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Modified Smith Predictor Based on H_2 and Predictive PI Control Strategy
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Modified Smith Predictor Based on H_2 and Predictive PI Control Strategy

机译：Modified Smith Predictor Based on H_2 and Predictive PI Control Strategy

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摘要

In this paper, a new type of modified Smith predictor based on the H2 and predictive PI control strategy is proposed. The modified Smith predictor not only has H2 robust performance but also has a similar predictive PI control structure. By introducing a time delay term, the modified Smith predictor controller overcomes the shortcoming that the conventional control algorithm can only use the low-order approximation of time delay term to design the control algorithm. The modified Smith predictor controller's output is related to the current system error and related to the output in a period before the controller. Simultaneously, the modified Smith predictor controller is applied to conventional process systems based on dynamic optimization estimation in the case study to show absolute superiority over the nonpredictive control method (such as the classical PID control method).

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