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基于自适应反步跟踪的反馈调整稳定性控制算法

2016-05-03林统喜陆兴华

智能计算机与应用 2016年2期

林统喜 陆兴华

摘 要:当飞机在大回环飞行中,由于受到空气动力学的扰动较大,需要进行飞行姿态稳定性控制,传统方法采用分段线性化控制方法,在大扰动条件下,飞行过程中各段的控制误差不断方法,导致飞行稳定性不好。提出一种基于自适应反步跟踪的飞行器反馈调整稳定性控制算法。构建大回环飞行中的飞行稳定性控制的参量模型系统,考虑外界干扰的情况下,进行飞行器反馈调整稳定性控制目标函数构建,采用自适应反步跟踪方法拟合控制过程的状态误差响应,实现控制器优化设计。仿真结果表明,采用该算法进行飞行器的稳定性控制,系统误差受到外界扰动的影响较小,控制器的自适应收敛性较高,展示了较好的应用性能。

关键词:自适应;反步跟踪;飞行器控制;反馈调整

中图分类号:TP276 文献标识码:A 文章编号:2095-2163(2016)02-

Feedback stabilization control algorithm based on adaptive backstepping tracking

LIN Tongxi1 ,LU Xinghua2

(1 Guangzhou Huali Science and Technology Vocational College Zengcheng District, Zengcheng Guangdong 511325,China ; 2 Huali College Guangdong University of Technology, Zengcheng Guangzhou 511325, China)

Abstract: When the aircraft in a large loop flight, due to aerodynamic perturbation is larger, it needs to control the flight attitude stability, the traditional method using piecewise linearization control method, under large disturbance conditions. During the flight of the segments of the control error continuous method, leading to flight stability. An adaptive backstepping control algorithm based on adaptive backstepping is proposed. Build a giant flying in the flight stability control parameter model system, consider outside interference, aircraft feedback adjustment stability control objective function was constructed, using adaptive backstepping tracking method fitting process of the state error and response control, realize the control for optimization design. The simulation results show that this algorithm is used to control the stability of the vehicle, the system error is less affected by external disturbance, the adaptive convergence of the controller is higher, and the performance of the system is demonstrated.

Key words: adaptive; backstepping tracking; aircraft control; feedback adjustment

0 引言

随着自动控制技术的发展,采用自适应自动控制处理技术进行模式识别、组合优化和人工智能控制,实现控制信息的自适应处理,提高自动控制系统的稳定性。自动控制技术在探测制导、飞行器控制、鱼雷控制和导弹控制等领域展示了较好的民用和军用价值。在飞行器控制中,在极端飞行环境下,受到大扰动误差和剧烈飞行等因素的影响,导致飞行稳定性受限,需要进行飞行器的稳定性跟踪控制,提高飞行器的姿态平稳性。因此,研究飞行姿态稳定性控制算法,在飞行控制和设计中具有较好的应用价值,相关的算法研究受到人们的极大重视。……

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