使用凸组合自适应控制器与输入成型技术复制电液系统的短暂加速波形复制
Yu Tang1, Kaidong Bo1, Hao Lu1
1State Key Laboratory of Intelligent Mining Equipment Technology, School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China.
ISA transactions
|May 14, 2024
概括
本研究引入了一种新型控制器,以提高电液系统中加速波形生成的精度. 先进的控制策略通过减轻系统非线性和干扰来提高性能.
科学领域:
- 控制工程 控制工程 控制工程
- 液压系统 水力系统
- 信号处理 信号处理
背景情况:
- 在工业测试中,电液系统对于产生振动环境至关重要.
- 系统的非线性,变化和干扰会降低生成的加速波形的准确性.
- 现有的控制方法难以实现精确的短暂加速波形复制.
研究的目的:
- 为电液系统提出一个凸的组合自适应控制器,与输入成型集成.
- 为了提高短暂加速波形复制精度.
- 解决动态变化,模型不确定性和电液系统中的扰动问题.
主要方法:
- 一个分层控制器,它结合了三变量控制器,输入成型技术和凸组合适应控制器.
- 使用多创新递归最小方形和零大小错误跟踪算法设计的输入成型控制器.
- 具有两个过器的自适应上级控制器,可实现快速融合和高跟踪精度.
主要成果:
- 拟议的控制器显著提高了短暂加速波形复制精度.
- 实验验证证明了使用随机和地震波形的现有方法的优越性.
- 控制器有效地弥补了系统的非线性和外部干扰.
结论:
- 开发的凸组合自适应控制器与输入成型是有效的电液系统.
- 这种方法为振动测试中准确的加速波形生成提供了强大的解决方案.
- 控制器的自适应性确保在不同的系统动态和不确定性下可靠的性能.
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