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Factorial Experiments Design
Design Parameters
- Topology [linear 1D Rail, 2D hexagonal]
- Offline stations [sequential routing, express routing]
- Load per station [4, 64, 128, 256] commuters
- uniform random distribution among origin stations
- Vehicle size [8,64,128] passengers
- Berths per station [2,4,8] vehicles
Assumptions
- Headways: 2 minute travel time across segments, 2 minute time to stop and transfer at a station
- Impulse demand at t = 240 min
- Vehicles must return to start configuration
- Suboptimal & nondeterministic optimization timeout at 2 hours
Notes:
Uniform random passenger distribution for maximum vehicle utilization
other distributions possible
e.g. population centers vs. job centers
Would result in more empty vehicles
Vehicles return to start configuration to make response to sustained loads repeatable and eliminate unfair advantage of vehicles miraculously appearing and disappearing when needed