| 一种随机滑模变结构制导律的设计 |
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| 引用本文： | 王洪强,方洋旺,尹洪武. 一种随机滑模变结构制导律的设计[J]. 系统工程与电子技术, 2009, 31(10): 2445-2449 |
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| 作者姓名： | 王洪强 方洋旺 尹洪武 |
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| 作者单位： | 1. 空军工程大学工程学院, 陕西, 西安, 710038;2. 河北科技师范学院数理系, 河北, 秦皇岛, 066004 |
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| 基金项目： | 国家自然科学基金，空军工程大学工程学院优秀博士学位论文创新基金(BC07004)资助课题 |
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| 摘 要： | 针对导弹在目标拦截过程中的特点,考虑到系统的状态噪声和观测噪声等随机因素的影响,以随机滑模变结构控制理论为基础,设计了一种随机滑模变结构制导律.此制导律考虑导弹在目标拦截过程中滤波器和控制器的相互联系,综合了最优制导律视线角速度收敛和滑模变结构制导律鲁棒性强的优点,通过理论分析证明闭环系统在随机意义下的滑模次可达性.最后通过仿真验证了设计方法的正确性.
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| 关 键 词： | 制导律 变结构控制 随机系统 最优控制 鲁棒性 |
| 收稿时间： | 2008-05-13 |
| 修稿时间： | 2008-06-29 |
Design of a sliding mode variable structure guidance law |
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| WANG Hong-qiang,FANG Yang-wang,YIN Hong-wu. Design of a sliding mode variable structure guidance law[J]. System Engineering and Electronics, 2009, 31(10): 2445-2449 |
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| Authors: | WANG Hong-qiang FANG Yang-wang YIN Hong-wu |
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| Affiliation: | 1. Engineering Coll., Air Force Engineering Univ., Xi'an 710038, China;2. Dept. of Mathematics and Physics, Hebei Science and Technology Normal Coll., Qinhuangdao 066004, China |
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| Abstract: | According to the characters of the missile intercepting the target,a stochastic sliding-mode variable structure guidance law is presented for the stochastic system with states noises and measured noises,which based on the stochastic sliding-mode variable structure control theory.In this guidance law,it considers the contact between filter and controller and synthesizes the merits of optimal guidance law with line of sight rate convergence and sliding-mode guidance law with strong robust.Through theoretic analyzing,it is proved that the sliding mode is sub-achievable in the closed loop system.The numerical results show the effectiveness of the proposed control algorithm. |
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