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| A H∞ Optimal Control Based PSO Method for Basis Weight Control in Paper Manufacturing Processes |
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| DOI：10.11980/j.issn.0254-508X.2018.04.011 |
| Key Words:H∞optimal control theory PID parameter tuning particle swarm optimization quantitative control |
| Fund Project:国家自然科学基金（U1509211；61221003）。 |
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| Abstract:Basis weight control system in paper manufacturing process is a high order non-linear system with time delay and complicated interference. According to the characteristics of basis weight control system， this paper proposed a PSO-PID parameters tuning method based on H∞ optimal control theory. By introducing the liner decreasing inertia weight ω to optimize the PSO′s global and local searching ability. Simulation results verified that the proposed strategy could find a group of PID tuning parameters efficiently， thereby reducing the searching scope. Furthermore， compared to conventional PID parameter tuning methods， this strategy had a better convergence rate and computation precision; robustness and response speed of the system were improved as well． |
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