基于细分模型的电磁微镜系统的内部模型控制方案
Ruili Dong1, Qingyuan Tan2, Yonghong Tan3
1College of Information Science and Technology, Donghua University, Shanghai 201620, China.
ISA transactions
|June 11, 2025
概括
一个新的细分内部模型控制 (SIMC) 策略有效地通过使用模型组合来管理电磁微镜系统 (EMMS). 这种方法解决了复杂的非线性动态,提高了偏斜角度控制的准确性.
科学领域:
- 控制系统工程 控制系统工程
- 非线性动力学是一种非线性动力学.
- 微光学是一种微光学.
背景情况:
- 电磁微镜系统 (EMMS) 呈现出复杂的非线性动态,包括低阻尼振荡和取决于速率的歇斯底里.
- 在EMMS中精确控制偏斜角度对于各种光学应用至关重要.
- 现有的控制策略可能会与EMMS固有的非线性作斗争.
研究的目的:
- 为电磁微镜系统 (EMMS) 开发一种新的细分内部模型控制 (SIMC) 方案.
- 为EMMS建立一个反向模型,以考虑低压振荡和取决于速率的歇斯底里.
- 为了提高EMMS曲角度控制的准确性和稳定性.
主要方法:
- 提出了一个细分组合模型,包括基于运行频率细分的加权子模型.
- 引入了平滑因子函数,以尽量减少子模型切换期间的动态错误.
- 粒子集群优化 (PSO) 用于确定最佳的频率分割点.
- 基于小增益定理的两度自由度过器设计集成到SIMC方案中.
主要成果:
- 拟议的细分组合模型准确地描述了EMMS的特征,包括非线性.
- 与传统方法相比,使用平滑因子的SIMC策略显著减少了动态错误.
- 由PSO确定的最佳频段分段点可以提高模型性能.
- 实验验证证明了EMMS偏斜角度控制所建议的控制策略的有效性.
结论:
- 开发的细分内部模型控制 (SIMC) 方案为控制EMMS等复杂的非线性系统提供了有效的解决方案.
- 拟议的细分组合模型和平滑因子方法提高了控制精度,并减少了切换引起的错误.
- 这种方法为精确控制电磁微镜系统提供了有前途的进步.
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