对于50,000 kN的液压支测试台,对盾梁的同步负载控制进行研究
Chengfeng Wu1, Tiangu Wu2, Lijuan Zhao2
1Shandong Yankuang Intelligent Manufacturing Co., LTD, Zoucheng, Shandong, China.
PloS one
|November 20, 2025
概括
这项研究引入了一种新的同步负载控制系统,用于液压支盾梁负载实验. 可适应的RBF-PID控制器显著减少了同步错误,并提高了重同步速度,提高了结构完整性.
科学领域:
- 机械工程 机械工程
- 控制系统工程 控制系统工程
- 液压系统 水力系统
背景情况:
- 在液压支盾梁实验中的双装载系统经常遭受不均的装载和异步定位.
- 现有的控制策略可能无法充分解决这些加载过程的动态复杂性.
研究的目的:
- 提出和验证一个创新的同步负载控制系统,用于保护梁在液压支测试.
- 在实验过程中提高双装载系统的精度,速度和可靠性.
主要方法:
- 整合多域建模和共同模拟 (Simulink,AMESim,Adams) 以实现统一的机械液压控制模型.
- 与模糊的PID控制器相比,应用和比较一个自适应的辐射基函数-比例-整数-导数 (RBF-PID) 控制策略.
- 在50000kN的液压支试验台上对防护梁装载块进行应力分析和实验验证.
主要成果:
- 与模糊PID控制器相比,自适应RBF-PID控制器显示最大同步错误减少了61%,重同步速度提高了34%.
- 应力分析确定了针孔连接是装载块上应力度最高的区域,为结构设计提供了信息.
- 实验结果与模拟结果非常相匹配,证实了系统在现实环境中的有效性.
结论:
- 拟议的同步负载控制系统,特别是自适应RBF-PID策略,有效地解决了液压支梁负载的工程挑战.
- 多域建模和共模拟方法为分析和优化复杂的液压系统提供了强大的框架.
- 这项研究为开发先进的控制策略和优化液压支试验台设计提供了宝贵的见解.
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