In any mining process, the most expensive operation involves removal of the Over-Burden (OB). The time taken during OB removal, is known as the Haul Cycle time and can be conveniently considered under 4 broad heads viz: Waiting, Loading, Full, and Empty. This cycle is repeated, and involves the rate of utilization of capital equipment, which has a profound impact on the overall productivity and profitability of the mining operation. The HEMM capital equipment are mobile, and operate over a large area. They comprise a fleet of Dumpers and Excavators. It is essential to coordinate the activities from a central location. An efficient and reliable on-line Tracking and Production Monitoring system is essential for efficient operation.This paper describes the various techniques and algorithms used in truck dispatch system around the globe, especially in Indian Opencast Coal Mines. The practical benefits of TDS and the possible future improvements in the system are also highlighted.
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