基于ARM11和Linux的室內環(huán)境監(jiān)測系統(tǒng)的設計與實現(xiàn)
[Abstract]:With the development of processor technology, embedded operating system technology and sensor detection technology, more and more embedded systems are used in various indoor environment monitoring systems. The precision, efficiency and intelligence of the environmental monitoring system have been improved and its functions have been strengthened. To some extent, it solves the disadvantages of consuming a lot of resources and the low performance of sensors in the past. At the same time, people's consciousness of self-protection has been strengthened, and people need a more comfortable, healthy and safe indoor environment. Therefore, it is very important to study an economical, efficient and intelligent indoor environment monitoring system for the real-time monitoring of the environment, to ensure the comfort and safety of the current environment, and to ensure the health of people. Based on ARM11 processor, embedded Linux operating system and digital sensor, this paper designs and implements a kind of indoor environment monitoring system, which can collect and transmit temperature, humidity, illumination and dust particles in real time. This paper first introduces the temperature and humidity sensor, illumination sensor, dust particle sensor and ARM11 development board, which mainly includes the electrical characteristics of the sensor, communication protocol and the main resource and pin description of the ARM development board. Then the embedded Linux system is customized in detail, including the customization and transplantation of the U-bootbox Linux kernel and file system, in which the DM9000 network card equipment and the I2C device are mainly added to the system. The NFS file system and kernel module are loaded dynamically. At the same time, the unnecessary modules are clipped to minimize the requirement of the kernel. Finally, combining sensor communication protocol, kernel module technology, timer mechanism and socket network communication, the device driver and user application program are designed to realize the collection and transmission of temperature, humidity, illumination and dust particles. In this paper, high performance ARM11 processor, embedded Linux operating system and digital sensor are used to ensure the accuracy, efficiency and intelligence of the system. The system can be widely used to monitor environmental data in hospitals, factories and other places.
【學位授予單位】:沈陽工業(yè)大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:TP368.1;TP316.2;X84
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