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Modeling and adaptive control of magneto-rheological buffer system for aircraft landing gear

机译:飞机起落架磁流变缓冲系统的建模与自适应控制

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摘要

The main advantages of magneto-rheological buffer system for aircraft landing gear are adjustable damping force, simple structure and independent of external energy. A kind of magneto-rheological damper structure for aircraft landing gear was presented in this paper. The state equation was established and the landing buffer system control strategy was designed based on self-made magneto-rheological landing impact platform. Integrating with model predictive control, a semi-active control method was studied and used it in realizing the adaptive magneto-rheological buffer system landing process. It has been proved in practice that the proposed control method fully considered the boundless of output damping force. The problem of balancing between landing and taxiing, which is caused by un-adjustable passive damping force in the working process of oleo-pneumatic buffer system, is solved.
机译:飞机起落架的磁流变缓冲系统的主要优点是阻尼力可调,结构简单且不受外部能量的影响。提出了一种飞机起落架的磁流变阻尼器结构。建立了状态方程,并基于自制的磁流变降落冲击平台设计了降落缓冲系统的控制策略。与模型预测控制相结合,研究了一种半主动控制方法,并将其用于实现自适应磁流变缓冲系统着陆过程。实践证明,提出的控制方法充分考虑了输出阻尼力的无限性。解决了油-气缓冲系统工作过程中由于被动阻尼力无法调节而引起的着陆与滑行之间的平衡问题。

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