The mining industry is turning over a new leaf by digitising mining operations. Increased competition in the global mining and metals market is compelling mine operators to rethink their operational strategies and increase safety and accuracy in their mines.
Changing how material is transported, reducing staff exposure to on-site hazards, minimising damage to mining equipment, and optimising production are some of the strategies used by mine owners to increase profitability. Autonomous mining equipment and vehicles, such as trucks controlled by operators in the control room, are being used to transport material from underground tunnels up to the ground level.
The first step to realising the benefits of autonomous mining equipment is to embrace technologies that can facilitate their smooth movement and control.
Digital transformation of their mines is a key priority for most mine owners. However, implementing new processes and deploying equipment requires a fundamental shift in their mindset. Cabling constraints while connecting equipment to the control centre and interferences from the hazardous mining environment often disrupt communication with the control centre, resulting in reduced operational efficiency.
Another key challenge is ensuring that networking devices are rugged enough to be deployed in underground mines to ensure continuous production.
Wireless technology helps tackle these challenges
Wireless technology has helped the mining industry overcome the communication barriers presented by the harsh conditions in underground mining tunnels.
Unmanned operations performed by autonomous drilling rigs, mining trucks, and loaders have reduced the number of operators and drivers working in these hostile and remote conditions, thereby increasing operational safety, accuracy, and efficiency, while helping reduce costs.
These driverless drilling rigs, mining trucks, and loaders rely on wireless networks to enable operators to remotely control and monitor mining operations from the safety and comfort of their control rooms.
A reliable and robust wireless network
Underground mining tunnels require a reliable and robust wireless network to enable machine operators to remotely control and monitor drilling rigs, mining trucks, and loaders to facilitate real-time data communication between the unmanned mobile vehicles and the operator in the control centre.
Seamless roaming Seamless roaming between access points (APs) is a must to ensure connectivity for client devices onboard autonomous drills and haulage vehicles that are constantly on the move inside the underground mining tunnels.
Real-time data In order to monitor the status of the driverless vehicles, a real-time solution for data acquisition and the ability to communicate with multiple profinet-based devices transparently for real-time control become essential.
Industrial-grade compact wireless devices Last but not least, industrial-grade design ensures reliable performance in harsh environments and compact devices make it easy to deploy them on drilling rigs and mining trucks. Wireless clients that are so deployed can be remotely accessed by operators in the control room.
Furthermore, the wireless devices must be equipped with an anti-vibration design to ensure seamless wireless device operation under continuous mobile conditions.
The equipment manufacturer installed Moxa’s compact-sized industrial-grade AWK-1137C clients with an anti-vibration design on the drilling rigs and mining trucks to be able to remotely access them from the control room.
The AWK-1137C clients uplink large volumes of data and live video streams from each of these driverless vehicles to the operator station through the wireless access network. AWK-4131A APs were installed along the tunnel walls to provide maximum wireless coverage for the AWK-1137C clients.
AWK-4131A APs provide 802.11n MIMO coverage on standard 2.4 GHz, 5 GHz, and 5 GHz DFS channels to maximise radio performance and to reduce interference caused by the hard rock walls of the mines.
The key highlights of Moxa’s wireless solution are:
For more information call Colterlec on 1300 36 26 26 or email the team at sales@colterlec.com.au
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