模拟移动床的纯度控制基于先进的模糊II控制器
Chao-Fan Xie1, Ting Lin1, Hong Zhang2
1Department of Big Data and Artificial Intelligence, Fujian Polytechnic Normal University, Fuzhou, China.
PloS one
|February 24, 2025
概括
先进的模糊控制器提高了模拟移动床 (SMB) 染色分离的准确性和稳定性. 引入加速度项可以提高A和B材料的提取效率,优于传统的模糊逻辑方法.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 分离技术 分离技术
- 过程控制 过程控制
背景情况:
- 模拟移动床 (SMB) 染色学对于分离是最佳的,但由于参数灵敏度而难以控制.
- 模糊控制器提供了简单性和稳定性,但传统设计缺乏错误加速术语.
- 错误加速对于控制系统的稳定状态优化至关重要.
研究的目的:
- 调查将错误加速度项纳入SMB染色学模糊控制器的影响.
- 为了比较先进的模糊I型和II型控制器与传统模糊控制器的性能.
- 在SMB过程参数的变化下评估先进模糊控制器的稳定性.
主要方法:
- 开发和应用主动模糊I型和先进模糊II型控制器.
- 在先进的模糊型I型控制器中包含非模糊加速项.
- 分析不同控制策略下的A和B材料的提取精度.
- 关于移动床参数和切换时间变化的稳定性分析.
主要成果:
- 与先进的模糊型I型控制器相比,先进的模糊型I型控制器对材料B的提取精度提高了0.7%,对材料A的提取精度提高了0.1%.
- 与传统的模糊控制器相比,先进的模糊控制器提高了0.35%的材料B精度,而稳定的材料A精度.
- 在参数变化下,II型高级模糊控制器的精度稳定性比I型控制器高0.6%.
- 传统的模糊控制器在切换时间波动时表现出不稳定性,而高级模糊II型控制器保持了稳定性.
结论:
- 整合一个错误加速项可以提高SMB染色学分离的准确性和稳定状态性能.
- 先进的模糊控制器,特别是II型控制器,与传统方法相比,提供了更高的稳定性和强度.
- 开发的先进模糊控制器为复杂的中小企业流程提供了更可靠,更有效的解决方案.
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