Accurate sensors are key to automation and digitalisation
Sensors are the foundation for optimal mine automation and digitalisation, asserts Upstream Technology head Michael Curtis, noting: “Sensor technology is the foundational building block of any automation. Your sensors need to be working reliably and accurately before you can automate anything. If your sensors fail, your automation fails.”
Upstream Technology was formed in 2024 following the amalgamation of De Beers Marine and Ignite, with the aim of creating a fully integrated end-to-end system for upstream operations.
According to Curtis, sensor failure explains why many early automation projects in mining under-delivered. “Previously, companies invested heavily in software and control systems, but the underlying sensing layer was unreliable. When the inputs are wrong or unstable, every automated decision based on them becomes suspect,” he states.
Sensors are integrated into almost every aspect of upstream diamond mining. In processing plants, they measure flows, levels, pressures and densities to keep circuits within tight operating windows. On equipment, they monitor temperatures, vibrations and loads to support predictive maintenance and avoid catastrophic failures.
An example of the use of sensor technology to optimise operations is crawler mining on the seabed, which used to be a very manual process but is now sensor-driven and largely automated. Sensors are used to track position, heading, depth and machine health.
Sensors are also used to improve safety in underground operations. Upstream Technology is deploying light detection and ranging, or LiDAR, and laser scanning to reduce fall-of-ground risk by mapping roof support and verifying the correct installation of bolts.
Curtis points out that sensors enable automation, inform management decisions and improve safety. However, they must be paired with training and a strong safety culture to deliver their full value.
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