《机载压力与温度测量系统设计与实现》文献综述
【摘要】
本文主要对机载压力与温度测量系统设计与实现进行了文献综述。嵌入式在航空航天中运用广泛，压力、温度等模拟量的高精度采集也十分重要。本文首先讲述了模拟量采集的具体流程和国内的研究情况，进而引入介绍了信号调理电路和典型的模数转换芯片。之后介绍了本项目采用的STM32H743单片机平台，它具有主频高，性能好，外设多等特点，也介绍了用来控制液晶屏显示的FSMC控制器。最后讨论了嵌入式操作系统的多任务设计和任务优先级配置，以及具体的相关软件设计。
【关键词】测量系统 模拟量采集 STM32H743 FSMC控制器 嵌入式操作系统
Literature Review on Design and Implementation of Airborne pressure and temperature measuring system
【Abstract】
This paper mainly reviews the design and implementation of airborne pressure and temperature measurement system. Embedded systems are widely used in aerospace, high-precision acquisition of analog quantities such as pressure and temperature is also very important. This paper first states the specific process of analog acquisition and its domestic research, then introduces the signal conditioning circuit and typical analog-to-digital conversion chips. After that, the STM32H743 single-chip microcontroller platform used in this project is introduced. It has the characteristics of high frequency, good performance and many peripherals. It also gives an account of the FSMC controller used to control the LCD display. Finally, the multi-task design and task priority configuration of the embedded operating system and the related software design are discussed.
【Keywords】measurement system; analog acquisition; STM32H743; FSMC controller; embedded operating system
1 引言
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