| 过载受限的变结构制导律滑动模态稳定域分析 |
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| 引用本文： | 郭建国,周军.过载受限的变结构制导律滑动模态稳定域分析[J].飞行力学,2009,27(3). |
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| 作者姓名： | 郭建国 周军 |
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| 作者单位： | 西北工业大学,精确制导与控制研究所,陕西,西安,710072 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 针对实际导弹过载受限问题,基于到达条件,分析和确定了三维变结构制导律中滑动模态的稳定域.根据末端三维弹目相对运动学关系,建立了三维制导系统的数学模型,并以纵向平面模型和变结构控制中到达条件为基础,引入分段光滑连续函数,以三维平面间的耦合关系为出发点,从两个方面分析并确定了过载受限变结构制导律的滑动模态吸引区,证明其制导系统的稳定性.最后,针对零化视线角速率而设计的变结构制导律,确定了它的滑动模态吸引区,验证了理论分析方法的有效性.
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| 关 键 词： | 过载受限 到达条件 滑动模态吸引区 |
Analysis of Sliding Mode Stability in Variable Structure Guidance Under Restrained Overload |
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| GUO Jian-guo,ZHOU Jun.Analysis of Sliding Mode Stability in Variable Structure Guidance Under Restrained Overload[J].Flight Dynamics,2009,27(3). |
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| Authors: | GUO Jian-guo ZHOU Jun |
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| Institution: | Institute of Precision Guidance and Control;Northwestern Polytechnic University;Xi'an 710072;China |
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| Abstract: | The stability region of sliding mode in variable structure guidance design method is analyzed and determined based on reaching conditions,considering the restrained overload problem of missile control.The guidance system is built according to the relative relationship in three dimensions.For longitudinal plane,by introducing the subsidiary smooth function,the attraction domain of sliding mode are analyzed and determined,and the stability of the guidance system is proven,considering from the coupling relatio... |
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| Keywords: | restrained overload reaching conditions attraction domain of sliding mode |
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