Hi,
I'm trying to better understand how VROOM (v1.14) uses vehicle costs (fixed, per_km, etc.) when building a solution.
I created a simplified scenario with 2 vehicles and 2 shipments.
Scenario
- Vehicle 5 already has a preassigned shipment through steps.
- Shipment A can only be served by Vehicle 5 because of skills.
- Shipment B can be served by either Vehicle 5 or Vehicle 6.
Vehicle costs:
{
"id": 5,
"costs": {
"fixed": 0,
"per_km": 2
}
}
{
"id": 6,
"costs": {
"fixed": 0,
"per_km": 2000
}
}So Vehicle 6 is intentionally configured to be much more expensive.
VROOM returns:
{
"summary": {
"cost": 5627
},
"routes": [
{
"vehicle": 5,
"cost": 1193,
"distance": 11464
},
{
"vehicle": 6,
"cost": 4434,
"distance": 2107
}
]
}Vehicle 6 gets the order shipment even though its route cost is much higher:
- Vehicle 5 cost = 1193
- Vehicle 6 cost = 4434
My expectation was that VROOM would assign the order shipment to Vehicle 5, since:
- Vehicle 5 is already active because of the preassigned shipment.
- Vehicle 5 can satisfy all required skills.
- Vehicle 5 has a much lower per_km cost.
- The resulting route cost for Vehicle 5 appears significantly lower than Vehicle 6.
I would like to understand how VROOM uses vehicle costs during route optimization.
My expectation was that Vehicle 5 would receive the shipment since it is already active, compatible with the shipment, and appears to produce a lower overall cost.
Thanks.
Hi,
I'm trying to better understand how VROOM (v1.14) uses vehicle costs (fixed, per_km, etc.) when building a solution.
I created a simplified scenario with 2 vehicles and 2 shipments.
Scenario
Vehicle costs:
{ "id": 5, "costs": { "fixed": 0, "per_km": 2 } } { "id": 6, "costs": { "fixed": 0, "per_km": 2000 } }So Vehicle 6 is intentionally configured to be much more expensive.
VROOM returns:
{ "summary": { "cost": 5627 }, "routes": [ { "vehicle": 5, "cost": 1193, "distance": 11464 }, { "vehicle": 6, "cost": 4434, "distance": 2107 } ] }Vehicle 6 gets the order shipment even though its route cost is much higher:
My expectation was that VROOM would assign the order shipment to Vehicle 5, since:
I would like to understand how VROOM uses vehicle costs during route optimization.
My expectation was that Vehicle 5 would receive the shipment since it is already active, compatible with the shipment, and appears to produce a lower overall cost.
Thanks.