一个有牙的电磁弹的动态特征分析基于改进的布克-温模型
Xiaoyuan Zheng1,2, Cheng Zhang1,2, Yifang Lou1,2
1College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, China.
Materials (Basel, Switzerland)
|July 14, 2023
概括
这项研究增强了Bouc-Wen模型,以准确捕捉牙式电磁弹的不对称行为. 改进的模型在不同条件下预测电磁弹动力学方面具有很高的准确性.
科学领域:
- 机械工程 机械工程
- 控制系统 控制系统
- 电磁主义 电磁主义
背景情况:
- 电磁弹活动隔离器对于振动控制至关重要.
- 标准的Bouc-Wen模型不充分地描述了不对称的歇斯底里行为.
研究的目的:
- 改进Bouc-Wen模型,以准确地描述牙式电磁弹动力学.
- 开发一个能够解释不对称行为的歇斯底里模型.
主要方法:
- 开发了一种改进的Bouc-Wen模型,其中包含了质量,阻尼和定向不对称的校正条款.
- 粒子集群优化 (PSO) 用于模型参数识别.
- 进行实验验证,将模型预测与现实数据进行比较.
主要成果:
- 改进的模型准确地预测了牙式电磁弹的动态特性.
- 电磁力与电流 (49 N 到 534 N 对于 0.5 A 到 2.0 A) 显著非线性增加.
- 模型预测显示出高准确度,R2值超过0.98,最大相对误差为12.75%.
结论:
- 增强的Buc-Wen模型有效地捕捉了牙式电磁弹的不对称歇斯底里.
- 模型的准确性通过实验性比较得到验证,显示出良好的一致性.
- 这种改进的模型为设计和分析电磁弹活性隔离器提供了更精确的工具.
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