Nowadays, mine's observing and alerting systems replace the traditional coal mine monitoring systems which use wired network system. With nonstop increasing in the exploiting areas and extension of depth in coal mine, the observing and monitoring seem to play an important role in coal and stone mines [1,2,3,4].Many researchers …
عرض المزيدIt will greatly improve the performance and efficiency of data transmission of the coal mine safety system, and reduce the costs of extending the system. (3) In wireless sensor network, the old master-slave network can be transformed into the network without master to enhance the whole performance and stability of the existing sensor networks [3].
عرض المزيدAbstract: Detailed detection of geological hazard sources is an important and yet challenging problem that remains unsolved. In this letter, we propose a whole closed …
عرض المزيدshape or form leaned to pick such jobs as mining. This makes stacks of difficulties inside the availability of staff for the coal mining exchange. The security of workers working in mine ventures is expanding step by step through advancements. The moderate of development that allows the mine perception
عرض المزيدMRS has recently worked with Brazilian partner Eletron to install its first solution in Brazil's largest coal mine, Carbonifera Metropolitana Fontanella, which covers 3km with future expansion planned. ... The unique part of the entire project was that it was Brazil's first coal mine to acquire a communications system, so setting a standard ...
عرض المزيدCoal mine safety monitoring system is an important technical means to improve the safety level of coal mines and realize the real-time monitoring and monitoring of coal mine safety production status by the coal industry management department and coal mine safety production supervision department. ... digital radio, etc., poor network coverage ...
عرض المزيدThis paper introduces an embedded GPS and GIS technology and develops portable environmental information acquisition system applied to coal mine dump …
عرض المزيدInternet of Things technology is introduced to the development of coal mining and monitoring system, and design from the aspects of hardware and software improves the production efficiency, safety and reliability. China is rich in coal resources and has cheap labor, but the backwardness of mining technology and the lack of …
عرض المزيدThis project monitors these parameters using Arduino UNO and provides safety and alert for coal mine workers to minimize the accidents. To improve underground mine safety, a reliable communication system …
عرض المزيدIn order to further improve the safety production management capacity of coal enterprises and minimize the rate of coal mine safety accidents, based on the purpose of improving safety production ...
عرض المزيدligent mining. Coal mine intelligence is the core techni-cal support for the high-quality development of the coal industry in this new development stage, and has become the industry consensus. In recent years, the research and development of intelligent coal mine technology systems have achieved significant progress. Currently, 71 intelli-
عرض المزيدA wireless coal mine safety monitoring system based on ZigBee wireless sensor network and GPRS wireless remote transmission was established, which enjoys …
عرض المزيدIn order to guarantee the safety of the coal production and effectiveness better, this paper designs a monitoring system for coal mine safety based on wireless sensor networks, and gives the hardware design of sensor nodes and the flowchart of software. For the purpose of meeting requirements of monitoring signals, the system uses nRF2401 for short …
عرض المزيدRemote monitoring system based on GPRS is a modern monitoring system which is compose of radio communication technology, signal collection and computer network technology. This article introduces a wireless coal mine monitoring system based on …
عرض المزيدIn this proposed system the coal mine safety systems are fixed with gas sensor modules, the light dependent resistor(LDR sensor), temperature/humidity sensor, fire sensor, buzzer and led. We integrate all the sensors to the Node MCU. First we need to create an account in the Thinger platform. In this system we mainly have monitoring and controlling
عرض المزيدLHD (load haul dumper) is now used as a loading machine for intermediate mechanization in underground coal mining. For survival in the intense competition in the global business environment in ...
عرض المزيدDOI: 10.1016/S1674-5264(09)60174-5 Corpus ID: 109649707; Dynamic management system of ore blending in an open pit mine based on GIS/GPS/GPRS @article{Gu2010DynamicMS, title={Dynamic management system of ore blending in an open pit mine based on GIS/GPS/GPRS}, author={Qinghua Gu and Caiwu Lu and Jin …
عرض المزيدBased on the vibration characteristics of underground mobile devices, a multi-sensor fusion positioning system is developed to enhance the accuracy of positioning in long and narrow global positioning system denied (GPS-denied) underground coal mine roadways. The system combines inertial navigation (INS), odometer, and ultra wide …
عرض المزيدIn recent years, scholars have introduced intelligence, IoT, new generation mobile communication technology and edge computing to coal mining safety monitoring, of which the outcomes are significant. Grychowski et al. [] presented a fuzzy-based fire monitoring system for underground coal mines.To improve the reliability in decision …
عرض المزيدAimed at the current status and existing problems of safety monitoring of domestic coal mines, a computer-controlled coal mine safety monitoring system is proposed. The integrated system is composed of three subsystems: monitoring, communication and …
عرض المزيدThe SIM900A could also be a readily available GSM/GPRS module, utilized in many mobile phones and PDA. The module is also used for developing IoT (Internet of Things) and Embedded Applications. ... "Automatic Monitoring System for Coal Mine Safety Based on Wireless Sensor Network" 2011, IEEE Journal [9] P.Poornima, T. Bhavya Sai "Coal ...
عرض المزيد• Application of WSN fire monitoring system in coal mining, 2017 • Design of underground coal mine monitoring system, 3. BLOCK DIAGRAM. Volume 4, Issue 10 - October 2016 - Pages 114-122 Manjula.G.Pai,Geeta.Godi, Aleemsultana.Shaikh Page 116 Fig 1:Block diagram of Transmitter
عرض المزيدA wireless coal mine safety monitoring system based on ZigBee wireless sensor network and GPRS wireless remote transmission was established, which enjoys the characteristics of ZigBee technology ...
عرض المزيدUsing GIS, GPS and GPRS, a dynamic management system of ore blending in an open pit mine has been designed and developed. A linear program was established in a practical application.
عرض المزيدTo further improve the accuracy of the cell crush tests to be specific to coal mining purposes, ... A123 Systems 26650 LiFePO 4 cells. Overall, the A123 cells proved to be much safer as compared to the LG Chem cells within each of …
عرض المزيدThe article presents the remote monitoring systems for operation of high-voltage substations and shovels, designed at the Karaganda State Technical University and introduced at Shubarkol-Komir open pit coal mine. The systems measure power consumption parameters and controls power consumers and electrical protection. The …
عرض المزيدAiming at the present situation of complex environment and safety monitoring system in coal mine, this article proposes one kind design scheme about wireless system in coal mine monitoring based ...
عرض المزيدThis article introduces a wireless coal mine monitoring system based on GPRS communications technology. This system proposed in this paper has achieved a …
عرض المزيدThe integrated system is composed of various sensors, wireless RF module substations, main control module of GPRS module and the host computer in the management center.In each substation, various ...
عرض المزيدContribute to hedaokuan/fr development by creating an account on GitHub.
عرض المزيدCompared with data transmission through conventional bus, application of wireless communication and GPRS network technologies reduces investment on underground …
عرض المزيدIn order to guarantee the safety of the coal production and effectiveness better, this paper designs a monitoring system for coal mine safety based on wireless sensor networks, …
عرض المزيدIn order to predict gas explosion disasters rapidly and accurately, this study utilizes real-time data collected from the intelligent mining system, including mine safety monitoring, personnel positioning, and video surveillance. Firstly, the coal mine disaster system is decomposed into sub-systems of disaster-causing factors, disaster-prone …
عرض المزيدRequest PDF | Application of GPS & GPRS Technology to Field Data Acquisition in Coal Mine Dump Area | Because of the complexity and diversity of the terrain and cover types in coal mine dump, it ...
عرض المزيدLearn how to improve GPR penetration and resolution using complex waveforms, magnetic antennas and real-time sampling. See examples of GPR applications in coal, carbonate …
عرض المزيدThis article introduces a wireless coal mine monitoring system based on GPRS communications technology. This system proposed in this paper has achieved a good result in the test.
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