A novel diagnostic system for adding reliability to communication networks in underground mines

Daoud, Mohammed; Farjow, Wisam; Fernando, Xavier

doi:10.1109/ccece.2011.6030681

Cited by 7 publications

(5 citation statements)

References 7 publications

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“…In hard and humid mining conditions, a wired communication system's continuity, reliability, and endurance are major concerns. There are dust particles existing in the underground environment due to drilling and other applications [18]. Dust can disturb the regular communication system of mines when it affects a system based on a leaky feeder [19].…”

Section: Existing Communication Of Gas Monitoring For Underground Coa...mentioning

confidence: 99%

Development of LoRa Communication System for Effective Transmission of Data from Underground Coal Mines

Kumar

Paul

Ananda³

2023

Processes

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Underground coal mining is a challenging and hazardous occupation that requires constant monitoring of environmental parameters to ensure the safety of miners. A handful of research has been carried out in developing wireless monitoring devices to monitor underground mine workings using Wi-Fi and ZigBee, which has limitations such as limited range, interference, reliability, power consumption, and security. The main objective of this study is to develop an Underground Gas Monitoring Device using LoRa communication for the effective transmission of monitored data. The testing was carried out in an underground mine model to measure the propagation of the LoRa signal with a line of sight and non-line of sight. It was observed that the system performs fairly well in both situations. During testing, it was observed that there was a drop in RSSI at 14 m for non-line of sight, and beyond 17 m no signal was received. Hence, for every 15 m, a booster is required to be placed to maintain efficient and reliable propagation of signals. In the event of an increase in gas level beyond the threshold limit in the underground mine, the developed system actuates the siren in the underground, boosters, and on the surface.

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Section: Existing Communication Of Gas Monitoring For Underground Coa...mentioning

confidence: 99%

Development of LoRa Communication System for Effective Transmission of Data from Underground Coal Mines

Kumar

Paul

Ananda³

2023

Processes

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“…Coupling loss is defined as the difference between the power transmitted into the cable and the power received by a λ/2-dipole antenna located at a distance of 2 meters from the cable. The structure of a typical leaky cable is shown in Figure 2.8 [23]. The Leaky Feeder Technology (LFT) is a combination of leaky feeder cables and amplifiers.…”

Section: Radiating Cable Channel Characterizationsmentioning

confidence: 99%

Cross Layer Optimizations Of Integrated Networks In Underground Mines

Farjow

2022

Preprint

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Establishing reliable communication is a difficult task in underground mines due to the extreme environmental conditions. This work proposes novel approaches and architectures to optimize the reliability, scalability and power efficiency of the communication networks in the environment of underground mines. Our research considers an integrated network architecture with three main elements that represent the common path of information flow from the surface of the mine to remote points deep in the underground. These three main elements are as follows: the backbone networks, the wireless channel of the confined spaces and the Wireless Sensors Networks (WSN). The objectives of enhancing the network reliability, scalability and power efficiency are globally considered for the entire integrated network. As a first step, the backbone network of the mine is optimized with intelligent algorithms for maximum stability, scalability and power efficiency. These objectives were achieved by introducing our novel Prediction-based Adaptive Equalization Algorithm (PAEA) and The Power-aware Adaptive Charging Schedule Algorithm (PACSA). Furthermore, this research introduced a novel wireless channel model to characterize the performance of the wireless systems in underground mines. The new proposed model, called “Mine Segmenting Wireless Channels Model”, is utilized by the wireless network as an added layer of intelligent network capacity. Lastly, with power efficiency and conservation in mind, the performance of the WSN in the underground is optimized for power efficiency, scalability and rapid development of applications. These objectives are achieved by introducing our novel Resources-Aware Sleep Scheduling Algorithm (RASSA) for the wireless sensor networks to provide an integrated platform, where new applications in mines can be rapidly developed to suit the operational requirements of the mine.

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“…Among the best-known categories, researchers have discussed occupational health and safety (OHS), financial, economic, operational, social, technical, organizational, legal, political and environmental risks (e.g. Bhattacharya et al, 2008;Daoud et al, 2011;Kumar, 2004;Lilic et al, 2010;Pal and Dewan, 2009;Shen, 2010). In addition to risks, practitioners and researchers must enumerate and integrate the various possible uncertainties (e.g.…”

Section: The Current Situationmentioning

confidence: 99%

A new practical approach to risk management for underground mining project in Quebec

Badri

Nadeau

Gbodossou

2013

Journal of Loss Prevention in the Process Industries

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A novel diagnostic system for adding reliability to communication networks in underground mines

Cited by 7 publications

References 7 publications

Development of LoRa Communication System for Effective Transmission of Data from Underground Coal Mines

Development of LoRa Communication System for Effective Transmission of Data from Underground Coal Mines

Cross Layer Optimizations Of Integrated Networks In Underground Mines

A new practical approach to risk management for underground mining project in Quebec

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