期刊文献+

改变飞艇重心位置控制纵向运动 被引量:9

By Changing Position Research of Airship's Center of Gravity to Control Longitudinal Motion
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摘要 本文针对目前平流层飞艇的运动控制效率较低的问题,重点研究了改变平流层飞艇重心的轴向位置来控制飞艇的纵向运动。首先讨论了考虑飞艇重心位置的力和力矩平衡,并利用德国斯图加特大学风洞试验的数据,进行了算例分析。然后和常用的升降舵控制进行效率比较,得出了在空气密度较低的平流层采用改变重心位置比舵面控制具有优越性的结论。最后提出了改变飞艇重心位置的方法。 Due to the lower efficiency of stratospheric airship's motion control, changing the center of gravity position in order to control airship's longitudinal motion was discussed. Comparison of Control efficiency between two types of airship was provided, one type of airship changing the center of gravity position, and the another using common rudder control. This comparison shows that the former have the superiority compared to the latter in the stratosphere with lower density air. The wind tunnel experiment data of German airship "LOTTE" was used. The device of changing the position of airship's center of gravity was also discussed.
出处 《力学季刊》 CSCD 北大核心 2006年第4期714-718,共5页 Chinese Quarterly of Mechanics
关键词 平流层 飞艇 重心位置 纵向运动 运动控制 stratospheric airship position of center of gravity longitudinal motion motion control
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参考文献6

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