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題 名 | Design and Simulation of Initial Leveling of Strapdown Inertial Navigation System with Base Motion=運動載具上固裝式慣性導航系統調平方法設計與模擬 |
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作 者 | 陳正衡; | 書刊名 | 中正嶺學報 |
卷 期 | 21:2 1993.01[民82.01] |
頁 次 | 頁51-59 |
分類號 | 447.5 |
關鍵詞 | 固裝式; 設計; 載具; 運動; 慣性; 模擬; 調平; 導航系統; 羅經校準; 校準; 慣性系統; 載具運動; Gyrocompassing techniques; Leveling; sAlignment; Inertial navigation system; Base motion; |
語 文 | 英文(English) |
中文摘要 | 傳統的「羅經校準法」需要充分時間來過濾載具運動時之按動現象,是 以用於快速之校準常犧牲慣性系統之精度。本文討論應用卡曼濾波器方法,可於 一短時間內完成對慣性系統之調平工作。載具運動係由二階馬可夫過程所產生, 系統狀態變數了由感測器之輸出經估測器測得。計算機模擬結果顯示此法可減少 調平所需時間,並提升慣性系統之精度。 |
英文摘要 | The conventional "gyrocompassing technique" needs ample time to filter the base motion disturbance for alignment. In certain tactical operations , it is desirable to sacrificesome accuracy in the interest of more rapid alignment. In this paper , we have proposedthat with the application of the Kalman filtering techniques , the leveling process of InertialNavigation System (INS) can be carried out in a much short time. The base motion isgenerated by a second order makov process. Using the instrument's outputs ,the systemstates are obtained by the estimator. A computer simulation has demonstrated that thismethod does improve the speed and accuracy of alignment. |
本系統中英文摘要資訊取自各篇刊載內容。