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"flap" in Chinese : vt. (-pp-) 1.拍打，拍擊；拍動(dòng)(翅膀)，撲動(dòng) ...
"equation" in Chinese : n. 1.平衡，均衡；平均，相等。 2.【數(shù)學(xué)】方程式， ...
"longitudinal flapping equation" in Chinese : 縱向揮舞方程
"flapping" in Chinese : 揮拍的; 揮舞的; 拍動(dòng); 拍平; 拍水現(xiàn)象; 撲動(dòng); 振顫; 振動(dòng)
"blade flapping" in Chinese : 槳葉揮舞
"flapping (of belt)" in Chinese : 波動(dòng)（皮帶）
"flapping acceleration" in Chinese : 揮舞加速度
"flapping action" in Chinese : 揮舞運(yùn)動(dòng)
"flapping angle" in Chinese : 揮舞角; 翼動(dòng)角
"flapping articulation" in Chinese : 揮舞鉸聯(lián)接; 舞鉸
"flapping blade" in Chinese : 揮舞槳葉
"flapping flexibility" in Chinese : 揮舞撓性
"flapping flight" in Chinese : 撲翼飛行
"flapping frequency" in Chinese : 揮舞頻率
"flapping hinge" in Chinese : 揮舞鉸鏈; 撲動(dòng)鉸鏈（航空用）

But the variation of its aerodynamic forces will induce flapping motion and produce the cyclic pitch on the main rotor blades by the bell mixing mechanism . in order to study the effect of bell - hiller stabilizer bar on helicopter stability and control , this paper first analyze the function and the principles , give the flapping equation and a flight dynamic model with bell - hiller stabilizer bar . and then works over the stability and control of uav r - 50 in hover and cruise condition , and analyzed the influence from parameters of the bar to it
為了深入研究希勒伺服旋翼對(duì)直升機(jī)穩(wěn)定性和操縱性的影響,本文首先分析了希勒伺服旋翼的功能和工作原理,推導(dǎo)了伺服旋翼的揮舞運(yùn)動(dòng)方程,建立了帶有希勒伺服旋翼直升機(jī)的飛行動(dòng)力學(xué)模型,然后以yamahar - 50無人直升機(jī)為例,分析該直升機(jī)在懸停和前飛時(shí)的平衡、穩(wěn)定性和操縱性,在此基礎(chǔ)上進(jìn)一步研究希勒伺服旋翼設(shè)計(jì)參數(shù)變化對(duì)直升機(jī)穩(wěn)定性和操縱性的影響。