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題 名 | Linear Helicopter Model for Global Flight Envelope Control=直昇機全空域線性模式的建立 |
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作 者 | 羅其忠; 孔健君; 張伯偉; 楊憲東; 張永華; | 書刊名 | 中正嶺學報 |
卷 期 | 32:1(A) 民92.11 |
頁 次 | 頁17-31 |
分類號 | 447.738 |
關鍵詞 | 直昇機線性模式; 非線性動態模擬; 配平分析; Helicopter linear model; Nonlinear dynamic simulation; Trim analysis; |
語 文 | 英文(English) |
中文摘要 | 本論文旨在建立直昇機動態的軟體模擬,可導出全空域飛行包絡中任一配平點的線性模式, 以得到直昇機六自由度的完整模式;同時也建立了直昇機非線性及線性的數學模式做為控制模擬的基礎。利用力與矩的平衡原則,可決定直昇機各種飛行狀況的配平點,並在該配平點執行泰勒級數展開,以導出線性模式。本論文之貢獻在使用新提出的「平行配平步驟」,可大量減少迭代的運算時間及增加模式的準確度。 |
英文摘要 | The goal of this paper is to set up a software-calculating helicopter dynamic, which can derive the linearized model from any trim point within the global flight envelope, so that we could afford nearly complete six degree-of-freedom model of a helicopter plant. We will establish the nonlinear and linear mathematical models of helicopter, which are the fundamentals of helicopter simulation and control. By using the principle of forces and moments equilibrium, we determine the trim points of different helicopter's flight conditions. At each trim point, the linearized model can be derived by Taylor's series expansion. Our contributions will reduce the iteration numbers significantly and increase the modeling accuracy by proposed parallel trim procedure. |
本系統中英文摘要資訊取自各篇刊載內容。