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| Single Neuron Cascade PID Control Based on Expert Experiences for Temperature Difference Control System of a Digester |
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| DOI：10.11981/j.issn.1000-6842.2015.04.38 |
| Key Words:displacement digester； expert experiences； single neuron cascade PID； s-function； THJSK-1 |
| Fund Project:江苏高校优势学科建设工程资助项目(PAPD)。 |
| Author Name | Affiliation | | 黄亚南 | 南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏南京,210037 | | 张爱娟 | 南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏南京,210037 | | 胡慕伊* | 南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏南京,210037 |
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| Abstract: |
| Aiming at the temperature difference existing in digester, in order to ensure uniform temperature, this paper proposed a control strategy combining the advantages of the cascade control and single neuron PID control. It also introduced the gain K of single neuron regulated by the expert experiences thus could control the temperature difference moment by moment and rapidly. In the Simulink, the s-function of this control strategy was used to carry out dynamic simulation experiment of temperature difference characteristics, and verify the robustness and response to model mismatch of this control strategy. Compared to conventional temperature difference-flow PID cascade control and single neuron PID cascade control, this control strategy had better robustness and stronger adaptiveability. The results of real-time control on THJSK-1 experiment platform indicated this control strategy was feasible. |
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