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控制一个多维非线性动态系统的大型振幅极限周期的复合吊杆光束的控制
Lin Sun1, Xu Dong Li1, Xiaopei Liu2
1School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun, 113001, China.
一种新的模糊滑动模式控制策略有效地抑制了复合吊杆梁中的大振幅极限周期振荡. 这种先进的控制方法解决了复杂的多维非线性动态,以提高结构稳定性.
科学领域:
- 机械工程 机械工程
- 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.
背景情况:
- 复合式悬臂梁表现出复杂的非线性行为,包括大幅度极限周期.
- 这些结构的准确建模需要考虑更高阶效应,如剪切和先进的离散技术.
- 现有的控制策略可能无法充分解决这些系统的多维非线性动态.
研究的目的:
- 首次在复合吊杆梁上实施模糊滑动模式控制 (FSMC) 策略.
- 为了有效地控制和抑制大振幅极限周期响应,以多维非线性形式.
- 验证多维非线性动态系统对于准确的响应估计的必要性.
主要方法:
- 开发一个动态模型的复合式悬臂梁结合更高阶的剪切效应.
- 在系统建模中应用二级离谱化.
- 实施和数值模拟模糊滑动模式控制策略.
主要成果:
- 该研究成功地实施了FSMC,用于控制复合式横梁中大幅度极限周期.
- 数字模拟证实了拟议的控制策略在抑制不必要的振荡方面的有效性.
- 结果强调了多维非线性建模对于准确分析的重要性.
结论:
- 模糊滑动模式控制提供了一个强大的解决方案,用于管理复杂的非线性振荡在复合结构.
- 准确的动态建模对于预测和控制大振幅极限周期至关重要.
- 这项研究推动了智能控制技术在结构动力学中的应用.
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