| 离散时间线性系统的干扰不变性原理及其应用 |
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| 引用本文： | 金梁.离散时间线性系统的干扰不变性原理及其应用[J].宇航学报,1987(3). |
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| 作者姓名： | 金梁 |
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| 作者单位： | 国防科技大学 |
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| 摘 要： | 本文在文献1]的基础上讨论了具有直接或间接可测外干扰的离散时间线性系统的不变性问题。首先,在无约束的情形下,导得了系统输出保持完全不变性和终端不变性的条件,给出了干扰补偿系数的递推计算公式。然后,进一步讨论了外干扰向量和补偿向量幅值受约束时,系统保持不变性的条件。文中还给出了一个应用实例。
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| 关 键 词： | 线性系统 离散系统 不变性 机动弹道 扰动补偿 |
THE PRINCIPLE OF INVARIANCE WITH RESPECT TO EXTERNAL DISTURBANCES OF DISCRETE LINEAR SYSTEMS AND ITS APPLICATIONS |
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| Jin Liang.THE PRINCIPLE OF INVARIANCE WITH RESPECT TO EXTERNAL DISTURBANCES OF DISCRETE LINEAR SYSTEMS AND ITS APPLICATIONS[J].Journal of Astronautics,1987(3). |
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| Authors: | Jin Liang |
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| Institution: | National University of Defence Technology |
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| Abstract: | In this paper, the principle of invariance with respect to directly or indirectly measured external disturbances of discrete linear systems is investigated. First, the conditions of process complete invariance as well as those of terminal invariance are derived for the case without constraints. The disturbance compensation coefficient matrices are calculated by solving matrix algebraic equations. Then, invariance conditions are discussed for the case with constraints, and similar results are obtained. Finally, an application example of the theory is given. |
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| Keywords: | Linear system Discrete system Invariance Maneuvering trajectory Disturbance compensation |
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