In the longwall process a shearer, a machine with large rotating cutting drums, is driven back and forth across the seam, with each pass taking a massive ‘slice’ of coal. Keeping the system aligned with and horizontal to the seam is crucial not just for efficiency but for safety.The Landmark Longwall Automation Project uses an inertial guidance system to continuously steer the longwall shearer by plotting its position in 3D space. Previous guidance systems have stopped mining to correct the positioning – this system does it continuously without interrupting production.
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<table style="border:1px solid;padding:2px; width:310px;" ><tr><td><a href="https://www.scienceimage.csiro.au/image/10795/"><img src="https://www.scienceimage.csiro.au/images/embed/300_0_NM11580.jpg" width="300" alt="Computer model of the longwall automation technology" style="margin: 0 0 5px 0; border: 0px;"></a><br/><a href="https://www.scienceimage.csiro.au/image/10795/">Computer model of the longwall automation technology</a><br />by CSIRO</td></tr></table>
Computer model of the longwall automation technology