摘要
为了更好地解决磁流变起落架缓冲系统在阻尼器故障情况下的鲁棒容错控制问题,提出了基于模型参考自适应的容错控制策略,建立力学模型,并通过阻尼实验确定关键参数。针对磁流变起落架系统建立故障模型并引入容错控制,设计自适应律以实时调整控制增益,构建容错控制器应对阻尼器故障。结果表明,相比于传统被动式和模型参考自适应控制方法,基于模型参考自适应的阻尼器故障容错控制方法的缓冲效率分别提升了4.9%和0.95%,该控制方法显著提升磁流变起落架缓冲系统的缓冲效率和质量。
In order to better solve the problem of robust fault-tolerant control for magnetorheological landing gear buffer systems with damper failures,a model reference adaptive fault-tolerant control strategy was proposed,and a mechanical model was established and key parameters were determined by damping experiments.A fault model was established for the magnetorheological landing gear system and fault-tolerant control was introduced.An adaptive law was designed to adjust the control gain in real time,and a fault-tolerant controller was constructed to deal with damper failures.Results show that compared with the traditional passive and model reference adaptive control methods,the buffer efficiency of the damper fault tolerant control method is improved by 4.9%and 0.95%respectively.This control method significantly improves the damping efficiency and quality of the magnetorheological landing gear damping system.
作者
傅莉
范伯鼎
席剑辉
刘昕
FU Li;FAN Boding;XI Jianhui;LIU Xin(College of Automation,Shenyang Aerospace University,Shenyang 110136,China)
出处
《沈阳航空航天大学学报》
2025年第4期51-58,共8页
Journal of Shenyang Aerospace University
基金
全国重点实验室开放基金(项目编号:20230201)。
关键词
磁流变起落架
磁流变阻尼器
模型参考
容错控制
故障模型
magnetorheological landing gear
magnetorheological damper
model reference
fault-tolerant control
fault model
