基于单片机的多参数气动参数测试系统设计摘要本文介绍了一种基于单片机的多参数气动参数测试系统。针对飞行器在研制过程中，气动力分析、结构的静态和动态载荷强度（刚度）等数值计算与分析非常重要，本文结合大量的文献资料，在指导老师的帮助下，对传感器的结构及性能进行了讨论，设计了一种多传感器气动参数测试系统，即对风洞吹风实验中的翼型模型表面压力、温度等多参数进行测试和采集。文中介绍了数据采集部分、控制部分、显示部分的设计细节，即依据设计要求的测试点密集、测试面小等条件，分析了现有各种压力、振动、温度传感元件的优缺点，根据课题需要选用小尺寸的传感元件，再对采集的传感器模拟信号进行调理,最后得到需要的测试结果. 关键字：单片机；多传感器；气动参数 The design of aerodynamic -parameter testing system of multi-parameter AbstractThis paper describes a micro controller-based multi-parameter test system aerodynamic parameters. For aircraft in the development process, aerodynamic analysis, structural strength of the static and dynamic loads (stiffness) and other numerical calculation and analysis is very important, this paper, a lot of literature, in the instructor's help, on the structure and properties of the sensor the research, design aerodynamic parameters of a multi-sensor test system, namely wind tunnel experiment airfoil model surface pressure, temperature and other parameters are tested and acquisition.This paper describes the data acquisition part, control part, showing some of the design details, which according to the design requirements of the test point intensive, small test surface conditions such as analysis of the existing kinds of pressure, vibration, temperature sensing element advantages and disadvantages, according to the topicsneed to use small size of the sensing element, and then the collected sensor with analogsignal conditioning, and finally get desired results.Keywords: SCM; multi-sensor; aerodynamic ...
