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中文摘要：
介绍了平流层大型飞艇的概念设计，从几何外形、结构布局、动力、能源等几方面阐述了平流层飞艇的设计方法；分析了一种具有差动升降舵的高空大型飞艇的受力情况，并对该飞艇进行了建模，得到其非线性数学模型。最后对所得到的非线性模型进行了开环仿真验证，得出了几点重要结论。
英文摘要：
The paper introduces the conceptual design of a stratospheric large airship, and states its design method from the shape, configuration, power and energy sources. The forces acting on the large airship with the differential elevator are then analyzed, and the nonlinear dynamic model and kinematic model of the airship are presented. Finally, the open-loop simulation of the nonlinear model is given, and some important conclusions are found from the picture of the simulation.
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