Results indicate that cut-offs for the application are presently in excess of 12 Mtpa of total earthmoving. All of the current implementations of an AHS are based in mines that exceed this amount of total material moved.
Truck count cut-off thresholds vary by payload capacity, but a minimum of six to eight trucks is generally required. In its present form, an AHS is therefore not likely to be applicable to all surface mines as scale is a key factor.
From:
https://www.ausimmbulletin.com/feature/autonomous-haulage-systems-the-business-case/
And:
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