基于高斯·牛顿代方法的电静电单元的非线性流量建模,用于高性能控制
Tiangui Zhang1, Guishan Yan2,3, Xianhang Liu1
1School of Mechanical Engineering, Yanshan University, Qinhuangdao, 066004, China.
Scientific reports
|September 18, 2024
概括
本研究引入了一种新的非线性流量模型,用于使用高斯-牛顿方法的电动水静电单元 (EPU). 这种方法提高了电液伺服控制系统 (EHSPCS) 的控制性能,特别是用于精确的位置控制.
科学领域:
- 控制系统工程 控制系统工程
- 流体动力系统 流体动力系统
- 非线性动力学是一种非线性动力学.
背景情况:
- 在电动液压单元 (EPU) 中非线性流量建模对于电液伺服控制系统 (EHSPCS) 的高性能运行至关重要.
- 目前的线性化方法对EPU非线性流量进行补偿,由于依赖偏差校正而受到限制.
- 在EPU中实现精确的位置控制需要对其复杂的流动动态进行准确的建模.
研究的目的:
- 使用高斯-牛顿代方法,为EPU开发精确的非线性流量模型.
- 在EPU中建立负载流和操作参数之间的映射关系.
- 直接提高EPU的控制性能,特别是在位置控制应用中.
主要方法:
- 利用高斯-牛顿代方法用于EPU的非线性流量建模.
- 从各种操作条件中收集测试数据,以构建非线性流量模型.
- 根据模型,推导出负载流量和操作参数之间的映射关系.
主要成果:
- 成功开发了一种经过验证的EPU非线性流量模型.
- 高斯-牛顿法在模拟EPU非线性流动方面表现出高准确度.
- 与现有方法相比,拟议的模型显著提高了控制性能.
结论:
- 高斯-牛顿代方法为EPU中的非线性流量建模提供了准确和实用的方法.
- 开发的模型有效地捕捉了复杂的流动动态,从而提高了控制性能.
- 这项研究为EHSPCS提供了提高位置控制精度的途径.
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