通过模型参考适应控制与等效输入干扰方法考虑高频和低频干扰,抑制扭矩钻弦振动
Chengda Lu1, Hengyu Huang2, Hao Sun3
1School of Automation, China University of Geosciences, Wuhan, 430074, China; Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan, 430074, China; Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan, 430074, China; School of Future Technology, China University of Geosciences, Wuhan, 430074, China.
ISA transactions
|December 24, 2025
概括
这项研究引入了一种新的方法,通过分离高频和低频干扰来抑制扭矩钻弦振动. 模型参考适应控制与等效输入干扰 (MRAC-EID) 方法有效地减少钻探期间的复杂振动.
科学领域:
- 机械工程 机械工程
- 控制系统工程 控制系统工程
- 石油工程是石油工程中的一个.
背景情况:
- 钻弦振动,特别是扭力振动,对钻井效率和设备寿命产生重大影响.
- 现有的抑制振动的方法往往无法区分和解决与比特岩相互作用和钻弦动态的高频和低频干扰的不同问题.
- 需要先进的控制策略,可以有效地解和减轻这些多频干扰.
研究的目的:
- 开发和验证一种新的扭力钻弦振动抑制方法.
- 专门解决和分离钻探过程中固有的高频和低频干扰.
- 提高在不同地质构成中控制振动的稳定性和有效性.
主要方法:
- 开发用于钻孔绳的扭动振动模型.
- 实施一个控制方案,将低频干扰的模型参考适应控制 (MRAC) 和高频干扰的等效输入干扰 (EID) (MRAC-EID) 结合起来.
- 拟议的MRAC-EID控制系统的稳定性分析.
主要成果:
- 该MRAC方法成功地抑制了依赖于状态的低频比特岩相互作用干扰.
- 通过EID方法,有效地减轻了由钻弦段的灵活特性引起的高频干扰.
- 在各种模拟和实验形成条件下,MRAC-EID方法展示了显著的抑制振动能力.
结论:
- 开发的MRAC-EID方法提供了一种有效的方法来抑制扭力钻弦振动.
- 分离和解决干扰的不同频率组件导致了优越的振动控制.
- 该方法对改善在具有挑战性的地质环境中钻探操作具有前景.
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