适应性强大的运动控制,用于液压负载敏感系统,考虑排位动态补偿.
Zhongyi Qiu1, Xiaochao Liu2, Zhenyu Wang1
1School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China; Science and Technology on Aircraft Control Laboratory, Beihang University, Beijing 100083, China.
ISA transactions
|November 13, 2024
概括
本研究介绍了一种使用新控制策略的适应性,节能液压负载敏感系统 (HLSS). 与传统方法相比,新系统实现了明显更高的控制精度和能源效率.
科学领域:
- 机械工程 机械工程
- 控制系统工程 控制系统工程
- 流体动力系统 流体动力系统
背景情况:
- 液压负载敏感系统 (HLSS) 提供高功率密度和能源效率.
- 在HLSS中,非线性动力学和外部干扰阻碍了精确控制.
- 现有的自适应稳定控制 (ARC) 方法可能无法完全应对这些挑战.
研究的目的:
- 开发适应性,节能型HLSS的准确模型.
- 提出一种新的适应性强大的运动控制与位移补偿 (DCARC).
- 为了提高HLSS应用中的控制精度和能源效率.
主要方法:
- 开发了一个准确的HLSS模型,考虑了来自位移变化的更高阶动态.
- 提出了一个位移补偿自适应强健控制 (DCARC) 策略.
- 对拟议的控制系统进行实验验证.
主要成果:
- 在DCARC的策略提高了模型的准确性,通过考虑移动引起的更高层次的动态.
- 与传统的ARC相比,DCARC的控制精度高出19.4%.
- 拟议的HLSS实现了比门控制固定排量电机系统 (VFDS) 高出五倍的能源效率.
结论:
- 考虑高阶动态可以显著提高HLSS模型的准确性,并减少控制负担.
- 开发的DCARC为HLSS提供了高精度和节能的运动控制.
- 该研究验证了拟议的适应性,节能型HLSS的有效性.
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