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Limestone underground operation in the United States
The Mine
The Partners
Rajant
PBE Group
Australian Droid and Robot (ADR)
Solution Components
10 ADR Explora XL unmanned robots
Rajant DX2 BreadCrumbs®
The Challenge
Underground, no internet or fiber backbone was available deep into the structure.
Before the collapse, the mine was utilizing a two-way radio system over a leaky feeder that did not withstand the incident. Moreover, it lacked sufficient bandwidth to support any unmanned robot or drone inspection mission.
By eliminating the human factor in favor of an autonomous system, multiple technologies were needed to facilitate ‘safety by separation.’
The Solution
Rajant’s Kinetic Mesh network provided a robust and reliable communication infrastructure that was efficiently deployed for the project, enabling long-distance, low latency wireless networking without infrastructure.
The remote inspection robots, equipped with Rajant BreadCrumbs®, entered the underground area and continued to relay a communications signal to each other through a daisy chain, high bandwidth mobile connection.
With no network or systems in place, the operation needed to handle data backhaul and power the robots. BreadCrumbs were also installed at the surface site providing high bandwidth between the mine entry and the operation center.