| 张爱娟,胡慕伊,黄亚南,熊智新.基于专家前馈-模糊PID反馈的溶解氧浓度控制方案研究[J].中国造纸学报,2016,31(2):43-48 |
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| Dissolved Oxygen Concentration Control System Based on Expert Feed-forward and Fuzzy PID Feed-back Control |
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| DOI：10.11981/j.issn.1000-6842.2016.02.43 |
| Key Words:dissolved oxygen concentration expert feed-forward control fuzzy PID control MATLAB simulation |
| Fund Project:江苏省制浆造纸科学与技术重点实验室；江苏高校优势学科建设工程资助项目(PAPD)。 |
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| Abstract: |
| In the aerobic treatment process of pulping and papermaking wastewater, dissolved oxygen (DO) concentration is an important variable. However, the process of DO concentration control is a large time-delay, multi-variable, nonlinear process with multi-interference. This paper designed a feed-forward and feed-back control system for controlling DO concentration. The expert controller was used as a feed-forward controller. The fuzzy PID controller was used as a feed-back controller. MATLAB simulation and practical applications results showed that DO concentration control system based on expert feed-forward and fuzzy PID feed-back control had good performance, including smaller overshoot, faster response. The control system could solve the problems of inaccurate and multi-interference of the DO concentration control math model. |
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