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Penelitian ini bertujuan untuk menggambarkan implementasi model untuk pengembangan bahan ajar elektronik modul meliputi rancangan proses pengembangan bahan ajar elektronik modul pada mata kuliah K3 dengan menggunakan model Four-D (4-D). Penelitian ini menggunakan metode analisis deskriptif untuk menguraikan implementasi model 4-D. Hasil dari peneli...
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... The data acquisition layer takes the miner safety helmet as the carrier, integrates the environmental information acquisition module, audio and video module, wireless communication module, personnel positioning module and sound and light alarm module with THE STM32F107 controller as the core, and realizes the functions of mineworker's operation environment information monitoring, underground personnel positioning, real-time voice communication, sound and light alarm. The data transmission layer realizes the data transfer between the data acquisition layer and the intelligent monitoring and analysis layer by means of wireless transmission to wired transmission [5]. The monitoring and analysis layer is responsible for collecting the data information collected by the terminal node, and has the functions of implementing storage, display query, report printing, data analysis and gas warning. ...
Based on wireless sensor network technology in the Internet of Things, this paper studies and designs a mine environment perception system that is used in coal mines. The sense layer adopts the wireless sensor network based on WIFI technology, takes the miner safety helmet as the carrier, integrates the function module with STM32F107 controller as the core, and becomes the mobile node of the underground wireless sensing network, and realizes the monitoring of the miner’s work environment information and the underground personnel positioning. Through the test, the intelligent mobile terminal can actively perceive the surrounding environment of the underground personnel, realize the real-time monitoring and intelligent warning of the gas concentration, carbon monoxide concentration and temperature in the surrounding area of the miners, and can provide the positioning information for the ground-based biter, which is an important supplement to the safety monitoring of coal mine in China.
