With increased pressure for companies to cut costs during design of new mineral processing plants, overall plant design has changed over the last decade with less design for feed blending and less installed surge capacity. This has changed the operability of new mineral processing plants, where disturbances due to variable ore types have resulted in the evolution of new control techniques._x000D_
These techniques are necessary to maintain stability and optimise the performance of these new plants._x000D_
This paper describes the benefit of applying these new control techniques in a new mineral processing plant in Australia utilising Rockwell's ControlLogix system architecture._x000D_
FORMAL CITATION:Karageorgos, J, Atasoy, Y and Baas, D, 2008. Current developments in the operation and control of AG and SAG mills in Australia, in Proceedings MetPlant 2008, pp 81-90 (The Australasian Institute of Mining and Metallurgy: Melbourne).