Pole-placement self-tuning control of nonlinear Hammerstein system and its application to pH process control

Zhiyun Zou; Dandan Zhao; Xinghong Liu; Yuqing Guo; Chen Guan; Wenqiang Feng; Ning Guo

doi:10.1016/j.cjche.2015.01.009

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Pole-placement self-tuning control of nonlinear Hammerstein system and its application to pH process control

过程系统工程与过程安全 | Updated：2026-01-06

- Pole-placement self-tuning control of nonlinear Hammerstein system and its application to pH process control
- Chinese Journal of Chemical Engineering Vol. 23, Issue 8, Pages: 1364-1368(2015)
- Affiliations：
  
  China Research Institute of Chemical Defense,Beijing,China,102205
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.01.009
  CLC：
- Published：2015
- Accepted：
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Zhiyun Zou, Dandan Zhao, Xinghong Liu, Yuqing Guo, Chen Guan, Wenqiang Feng, Ning Guo. Pole-placement self-tuning control of nonlinear Hammerstein system and its application to pH process control[J]. Chin.J.Chem.Eng., 2015, 23(8): 1364-1368.
DOI：

Zhiyun Zou, Dandan Zhao, Xinghong Liu, Yuqing Guo, Chen Guan, Wenqiang Feng, Ning Guo. Pole-placement self-tuning control of nonlinear Hammerstein system and its application to pH process control[J]. Chin.J.Chem.Eng., 2015, 23(8): 1364-1368. DOI： 10.1016/j.cjche.2015.01.009.

摘要

Abstract

By taking advantage of the separation characteristics of nonlinear gain and dynamic sector inside a Hammerstein model

a novel pole placement self tuning control scheme for nonlinear Hammerstein system was put forward based on the linear system pole placement self tuning control algorithm. And the nonlinear Hammerstein system pole placement self tuning control (NL-PP-STC) algorithm was presented in detail. The identification ability of its parameter estimation algorithm of NL-PP-STC was analyzed

which was always identifiable in closed loop. Two particular problems including the selection of poles and the on-line estimation of model parameters

which may be met in applications of NL-PP-STC to real process control

were discussed. The control simulation of a strong nonlinear pH neutralization process was carried out and good control performance was achieved.

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