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題名 | On the Study of Seeker Nonlinear Behavior for Tactical Missile Systems Using Statistical Linearization Technique=應用統計線性化方法探討戰術飛彈系統之尋標器非線性現象 |
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作者 | 林俊良; Lin, Chun-liang; |
期刊 | 逢甲學報 |
出版日期 | 19960600 |
卷期 | 29 1996.06[民85.06] |
頁次 | 頁265-283 |
分類號 | 595.95 |
語文 | eng |
關鍵詞 | 非線性系統; 飛彈系統; 統計線性化; Nonlinear system; Missile system; Statistical linearization; |
中文摘要 | 本文旨在探討典型戰術飛彈系統尋標器非線性現象對飛彈性能的影響。文中所討 論的非線性包含尋標器質量不平衡、環架磨擦、視角限制、環架角限制、滾轉率耦合、非線 性鼻錐罩偏折斜率等。其他歸向迴路中常出現的非線性亦納入考量,例如:與距離相關皂的 雜訊源、加速度命令限制等。 文中應用直接統計線性化之方法 --CADET 分析目標攔截過程 的誤失距離有效值。 模擬結 2 困實這些物理現象產生的非線性現象將惡化導引飛彈的終端 接戰性能。 |
英文摘要 | This paper presents a complete study for the seeker nonlinear behavior of a tactical defense missile system. The nonlinearities to be discussed involve seeker head mass imbalance, seeker gimbal friction, boresight limitation, gimbal angle limitation, nonlinear radome refraction slope error, coupled rolling rate idsturbance,...,etc. Other nonlinear phenomena presented in the homing loop are also included in the analysis, for example, range-dependent noise sources, acceleraton command limitation, etc. A direct statistical linearization method-Covariance Analysis Dexcribing Function Technique used for analyzing dynamic behavior of nonlinear stochastic systems is applied to obtain rms miss distance of missile-target engagement. Simulation results show that these realistic nonlinearities inherent to the laws of physics will explicitly degrade the interception capability of guided missiles. |
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