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Conference Proceedings

1992 AusIMM Annual Conference The State of the Art - A Product of 100 Years of Learning

Conference Proceedings

1992 AusIMM Annual Conference The State of the Art - A Product of 100 Years of Learning

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Production Scheduling Using Linear and Integer Programming

A trend towards mining more complex and economically marginal orebodies, often combined with increasingly tight product specifications, increases the number of variables which need to be considered in production scheduling. Linear programming incorporating integer constraints can be used to create production schedules which are practical as well as mathematically optimum. Factors which can be taken into account include variability in product stockpiles, targets for head or product grades, production of different material types, production from different areas, production targets for loaders, and dependencies between mining blocks. For each schedule an appropriate objective for optimisation must be chosen. Examples of objectives are: to minimise or maximise grade variation; to minimise waste movement; and to minimise movement by front end loaders. A staged approach to the implementation of computer systems based on linear programming optimisation is Proposed.
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  • Published: 1992
  • PDF Size: 0.327 Mb.
  • Unique ID: P199202026

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