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1. 中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
2. 哈尔滨工业大学 航天学院 航天工程系,黑龙江 哈尔滨,150001
收稿日期:2009-12-24,
修回日期:2010-04-15,
网络出版日期:2010-12-25,
纸质出版日期:2010-12-25
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许江涛, 崔乃刚, 吕世良. 协调增益调度的重复使用助推器姿态控制设计[J]. 光学精密工程, 2010,18(12): 2590-2596
XU Jiang-tao, CUI Nai-gang, LV Shi-liang. Design of coordinated gain scheduled attitude controller for reusable booster vehicle[J]. Editorial Office of Optics and Precision Engineering, 2010,18(12): 2590-2596
许江涛, 崔乃刚, 吕世良. 协调增益调度的重复使用助推器姿态控制设计[J]. 光学精密工程, 2010,18(12): 2590-2596 DOI: 10.3788/OPE.20101812.2590.
XU Jiang-tao, CUI Nai-gang, LV Shi-liang. Design of coordinated gain scheduled attitude controller for reusable booster vehicle[J]. Editorial Office of Optics and Precision Engineering, 2010,18(12): 2590-2596 DOI: 10.3788/OPE.20101812.2590.
针对可重复使用助推飞行器在大攻角飞行过程中的耦合及干扰问题
提出了基于协调增益调度策略的姿态控制器设计方法。首先
忽略大攻角飞行时俯仰、偏航、滚转通道间潜在的耦合
建立了有别于小扰动线性化的各通道线性化模型
独立设计了各通道的增益调度控制器。然后
在单通道控制的基础上
说明了协调增益调度控制策略的思想。最后
设计了协调调度控制器用于消除通道间的交叉耦合。非线性实时仿真表明
该策略使攻角最大误差降低了1~2
侧滑角跟踪精度提高了将近0.4
满足可重复使用助推飞行器大攻角飞行时对系统性能指标的要求
同时控制策略的设计方法物理概念清晰
易于工程实现。
In consideration of the serious coupling and distributions in the attitude control of a reusable booster with a high angle of attack
a new kind of gain-scheduled attitude control strategy was presented. Firstly
each of the pitch
yaw and roll channels was treated separately by ignoring the intentional coupling among the channels
and the linear control model of each channel was established in a way different from that considering small perturbation linearization. Then
the gain-scheduled controller for each channel was designed
and the theory of coordinated gain scheduled control strategy was put forward based on the single gain-scheduled controller. Finally
the coordinated scheduled controller was designed to deal with the intentional cross coupling among different channels. The results of nonlinear real-time simulation validate that the tracking error of the attack angle has reduced about 2
and the control accuracy of sideslip angle has improved about 0.4 by proposed strategy. The control system can satisfy the control performance requirement of the reusable booster
and the strategy of controller design is characterized by its clear physical concepts and easy engineering applications.
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