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首页> 外文期刊>International Journal of Mechanical Engineering Education >Applying physics to an undergraduate design for an unmanned aerial system
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Applying physics to an undergraduate design for an unmanned aerial system

机译：将物理学应用于无人机系统的本科设计

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The Department of Civil and Mechanical Engineering at the United States Military Academy requires its graduates to complete an integrative capstone design in their senior year. One of these projects involves the design, construction, testing, and demonstration of a small, highly autonomous, unmanned aerial system (UAS). This particular capstone option was added to the list of available capstone projects in the fall of 2005. In the past, while students have been able to complete the design process relatively well, an area of deficiency for all capstone design teams has been the physical modeling of their design before construction. This paper describes the progression of physical modeling and analysis for the systems' air vehicles over the course of the three years of the project's existence. In the first year, the two teams did little or no modeling. During the second year of the project, with three different teams, some modeling was attempted, but not verified through testing once the designs were constructed. At the start of the third year, one of the faculty advisors developed a detailed procedure for aerodynamic modeling and performance analysis, called the 'Alpha .60 Laboratory'. To augment the previous year's design pedagogy with an inductive learning component, the students were required to complete the laboratory on an existing airframe. They were then required to apply the same analysis to each alternative developed through the engineering design process. Upon selection and construction of their final design, the students were required to validate their analytical predictions through flight testing. Preliminary results have shown marked improvement in the detail of the analysis and the level of the students' understanding of the underlying physics. An assessment of the laboratory's impact on the following year's designs is also presented.
机译：美国军事学院的土木和机械工程系要求其毕业生在高年级完成综合的顶石设计。这些项目之一涉及小型，高度自治的无人机系统（UAS）的设计，建造，测试和演示。在2005年秋季，此特殊的顶层选项已添加到可用的顶层项目列表中。过去，虽然学生能够相对较好地完成设计过程，但所有顶层设计团队的一个不足之处是物理建模在施工之前进行设计。本文描述了该项目存在三年中，该系统航空器的物理建模和分析的进展。在第一年，这两个团队几乎没有进行建模。在该项目的第二年中，由三个不同的团队进行了一些建模尝试，但是一旦构建了设计，就没有通过测试进行验证。在第三学年开始时，一位教职顾问制定了详细的空气动力学建模和性能分析程序，称为“ Alpha .60实验室”。为了增加上一年的归纳学习组成部分的设计教学法，要求学生在现有机身上完成实验室。然后要求他们对通过工程设计过程开发的每个替代方案应用相同的分析。选择并构建最终设计后，要求学生通过飞行测试验证其分析预测。初步结果显示，在分析细节和学生对基本物理学的理解水平方面，已有显着改善。还介绍了对实验室对次年设计的影响的评估。

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