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Pages 50-51

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From page 50...
... How­ ever, there are many other performance measures that can be implemented by airport APM systems and that may be worth­ while to track for assessing and improving the internal perfor­ mance of an individual airport APM system even though they may not be worthwhile for comparisons among systems. Some of the internal measures currently in use or that could be implemented at airport APM systems are: • Average vehicle service miles per collector shoe; • Average vehicle service miles per traction motor; • Average vehicle service miles per running tire; • Average vehicle service miles per guidance tire; • Average cycles per drive cable (for cable­propulsion APMs)
From page 51...
... For example, there could be several crossovers in an airport APM system that allow APM vehicles to operate around a failed section of track and still move passen­ gers among airport facilities fairly efficiently. The consideration of crossover quantities and placement during the planning and design phases of an airport APM system is driven, in part, by satisfying the high targets set for these service availability performance measures.


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