A new design of double predictive proportional integral control strategy for first order plus dead time industrial processes
Chonggao Hu,
Yuqiao Hou,
Jianjun Bai
et al.
Abstract:When the Smith predictive controller controls the first‐order plus dead time process, it is too sensitive to the parameter changes of the system, leading to poor system stability and no practical application value. First, this paper derives and proves the equivalent form of the Smith‐proportional‐integral‐derivative (PID) control strategy as a predictive PI (PPI) control strategy. Second, this paper proposes a new double predictive PI control strategy (DPPI), where the DPPI controller mainly consists of a pred… Show more
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