用修改的模糊滑动模式控制来抑制悬臂结构的凸起
Jianhua Pan1, Lin Sun2, Xiaopei Liu3
1School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun, 113001, China.
Scientific reports
|February 8, 2025
概括
一个新的模糊滑动模式控制策略有效地抑制了复合式悬臂结构中的大振幅曲. 这种方法准确地建模了结构结构.
科学领域:
- 结构工程 结构工程
- 机械工程 机械工程
- 控制系统 控制系统
背景情况:
- 复合式悬臂结构容易曲,特别是在大振幅振动下.
- 对剪切效应和非线性动态的准确建模对于预测曲行为至关重要.
研究的目的:
- 开发和实施一种主动控制策略,以抑制层叠复合材料悬臂结构中的大幅度曲.
- 为了建立一个精确的二维非线性动态模型为杆梁.
主要方法:
- 模糊的滑动模式控制策略.
- 将剪切效应纳入运动方程中.
- 对于一个二维非线性系统来说,二次的Galerkin离散.
主要成果:
- 建立了一个二维非线性动态模型,证明它对于准确的曲折振动估计至关重要.
- 开发的活性控制策略在数值模拟中有效地抑制了大振幅曲反应.
结论:
- 拟议的模糊滑动模式控制对于复合式横梁中曲抑制是有效的.
- 准确的非线性动态建模对于精确的振动和曲分析这些结构至关重要.
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