基于磁流变阻尼器的起落架模糊PID控制

2009 International Conference on Apperceiving Computing and Intelligence Analysis Pub Date : 2009-12-28 DOI:10.1109/ICACIA.2009.5361162

Liu Hua-lin, Chen Yong, Huang Qi, Li Jian

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引用次数: 10

摘要

起落架是飞机的关键部件。起落架的磁流变阻尼器可以保证飞机起飞、降落和滚转过程中的稳定性和安全性。由于起落架是一个非线性、多变量、多自由度的系统。传统的PID控制不能获得理想的控制效果。基于模糊控制理论不需要精确数学模型的优点，本文将PID控制与模糊控制相结合，提出了模糊PID控制。对被动控制、PID控制和模糊PID控制下的起落架模型进行了仿真分析。仿真结果表明，模糊PID控制能有效降低机身振动加速度幅值，提高飞机的平顺性和安全性。它对起落架系统的最优控制有重要的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fuzzy PID control for landing gear based on magneto-rheological (MR) damper

Landing gear of aircraft is the key component. The magneto-rheological (MR) damper applied to landing gear can ensure stability and safety during the process of takeoff, landing and rollout. Because of landing gear is a nonlinear, multivariate and multi-degree of freedom system. The traditional PID control can't obtain ideal control effects. Based on the advantages of fuzzy control theory do not need a precise mathematical model, fuzzy PID control is proposed in this paper by combining PID control and fuzzy control. The models of landing gear are simulated and analyzed under passive control, PID control and fuzzy PID control. The simulation results indicate that fuzzy PID control can effectively lower the amplitude of fuselage vibration acceleration and improve the ride quality and safety of aircraft. It has an important influence in the optimal control of the landing gear system.

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2009 International Conference on Apperceiving Computing and Intelligence Analysis

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