基于自适应性稳固控制的液压二次调节驱动系统的级联控制方法
Xiaochao Liu1, Zhenyu Wang2, Zhongyi Qiu2
1School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China.
ISA transactions
|December 5, 2024
概括
这项研究引入了液压驱动系统的新级联控制方法,显著提高了位置跟踪精度. 适应性强有力的控制方法提高了对高阶系统的传统方法的性能.
科学领域:
- 控制系统工程 控制系统工程
- 液压系统 水力系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 液压二次调节驱动系统面临诸如高惯性和低阻尼等挑战,限制了控制精度.
- 传统的自适应性强有力的控制方法对于这些高阶系统是不够的.
研究的目的:
- 为液压二次调节驱动系统开发先进的控制策略.
- 为了提高位置跟踪精度和克服系统限制.
主要方法:
- 开发了一个第五阶模型,结合负载惯性.
- 实施了带有内部和外部循环的级联控制方法.
- 使用了自适应性强度控制和俯冲板干扰补偿.
- 一个级联的Lyapunov函数确保了稳定性.
主要成果:
- 与双PID和传统的自适应性强有力的控制相比,拟议的方法实现了更高的位置跟踪精度.
- 精度的提高比双PID的50-80%,比传统的方法提高了30-40%.
- 在0.1赫兹和0.25赫兹的正弦指令下验证了性能.
结论:
- 级联自适应强大的控制方法有效地解决了高级液压驱动系统的挑战.
- 这种方法在位置跟踪精度和系统稳定性方面提供了显著的改进.
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