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[an error occurred while processing this directive]新型过载驾驶仪滚转弹制导系统稳定性研究
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李涛(1997—),男,助理工程师,硕士研究生,研究方向:飞行器总体设计。 |
收稿日期: 2023-03-06
网络出版日期: 2024-12-28
基金资助
国家自然科学基金项目(61827901)
Stability Study on the New Overload Autopilot of Rolling Missile Guidance System
Received date: 2023-03-06
Online published: 2024-12-28
李涛 , 付博 , 王齐双 , 段辰璐 , 林时尧 . 新型过载驾驶仪滚转弹制导系统稳定性研究[J]. 弹箭与制导学报, 2024 , 44(1) : 34 -40 . DOI: 10.15892/j.cnki.djzdxb.2024.01.006
To solve the problem of disturbance rejection rate parasitic loop (DRRPL) in the platform image seeker, the coning motion stability of rolling missile is studied based on a new overload autopilot. First, the linear dynamic model of rolling missile is deduced and simplified. And then, based on a new three-loop autopilot with an acceleration feedback augmentation loop as the inner loop, the rolling missile guidance system model considering the DRRPL of image seeker is constructed, and the dynamic stability conditions of the proportional navigation/new overload autopilot guidance system with DRRPL are deduced. Besides, the effects of DRRPL, rotational speed and total delay angle of steering gear on the dynamic stability region of rolling missile are analyzed. Simulations are carried out to demonstrate that roll effect, parasitic effect and control instruction delay are the main factors leading to the decrease of stability region of autopilot parameter. In addition, the design parameters of the guidance system should be far away from the stability boundary to improve the stability of coning motion.
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