Fig. 1. Smart mine ventilation system companies
Fig. 2. Zigbee protocol stack
Fig. 3. The Exterior of Zigbee coordinator (left) and Zigbee router node (right)
Fig. 4. The exterior (left) and The block diagram (right) of wireless sensor node (Zigbee End-device)
Fig. 5. X-CTU software (left) and Arduino IDE software (right)
Fig. 6. Integrated environment monitoring interface
Fig. 7. Ventilation network in Mine G
Table 5. WSN topology configuration criteria
Fig. 8. Position of Zigbee node installation for WSN
Fig. 9. WSN (Wireless Sensor Network) topology configuration in Mine G
Table 6. Result of range test in rampway of Mine G
Fig. 10. Flow diagram of environmental data from Zgibee end-device module to VentSimTM LiveView
Fig. 11. Example of VentSimTM LiveView software
Table 1. Comparison of common underground WSNs (modified from Moridi et al, 2014)
Table 2. XBee PRO S2B specification (Digi, 2018(a))
Table 3. Data sheet of sensors in Zigbee End-device Module
Table 4. Exposure limit of mine gases (modified from Lee et al, 2018)
Table 7. Data obtained as a result of the measurements in Mine G
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