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題名 | A Composite Passive Ranging Guidance Strategy for Anti-ship Missile=攻船飛彈複合式被動定位導引之算略 |
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作者 | 趙嘉琦; 吳義達; 李守誠; | 書刊名 | 中正嶺學報 |
卷期 | 34:1 民94.11 |
頁次 | 頁75-94 |
分類號 | 595.95 |
關鍵詞 | 被動定位; 輸入估測; 追逐導引; Passive ranging; Input estimation; Pursuit guidance; |
語文 | 英文(English) |
中文摘要 | 攻船飛彈襲擊遠距離上慢速移動目標時約可分為三個階段之導引程序:中途導引;尋標器開機搜尋追蹤並鎖定目標;終端導引。本文對第一階段的中途導引,假設使用一良好之慣導引系統能夠引導飛彈朝向預設瞄準點。第二階段為實用之被動定位導引,運用飛彈上固裝式方向接收機並輔以具有輸入估測運算法則之混合追蹤濾波器,將可達到對目標快速準確之估測。最後階段為終端歸向導引,本階段採紅外線影響標器直接使用追逐引律去撞擊靶船。文中針對直線運動目標狀況下之飛彈追逐軌跡以一微分方程式描述並討論,一部份發展出一算單封閉解,解決了熟知之Howe解法所不能求解之迎頭交戰場景問題,並改進了Howe解法常出現之異常運算問題。 |
英文摘要 | A combined guidance strategy for an anti-ship missile against a slow moving target on the sea is synthesized using a three-phase guidance scheme. The first phase is assumed to be an ideal midcourse guidance to guide the missile inertly toward a Predetermined Aiming Point (PAP). The second phase is practical passive ranging guidance for a strap-down Direction Finder (DF) seeker installed on the missile to enhance the accuracy of the target position estimation. A hybrid tracking filter combined with an Input Estimation (IE) algorithm is utilized to speed up the target estmation. A hybrid tracking filter combined with an Input Estaimation (IE) algorithm is utilized to speed up the target estimation. The final phase is the terminal homing guidance, which can employ the pure pursuit guidance law with infrared (IR) image seeker to hit the target ship. In this paper, a simple closed-form solution of the differential equations describing the pursuit trajectory of the pursuer for non-maneuvering target is discussed. This paper presented an improvement to the well-known Howe’s solution that assured the anomalous behavior of missile trajectory computation in head-on engagement was prevented. |
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