|
LType
l
|
Type of site, current allowed values in {Farm, Storage, Pretreatment, Refinery} |
|
LHours
l
|
Number of working hours per period |
|
For each product p ∈ PID read from worksheet PRODUCTS
|
|
PPart
p
|
ID of crop part used (also used to retrieve the crop) |
|
P Dens
p
|
Density in metric tons per cubic meter |
|
P Dry
p
|
Fraction of dry matter, e.g., 0.9 for 10% humidity |
|
For each state e ∈ SID read from table worksheet STATES
|
|
SType
e
|
Type of state, current possible values in {Field, WIP (work in progress), Stock} |
|
SLoca
e
|
ID of the site where the state is located |
|
SProd
e
|
ID of product associated with the state |
|
SBeg
e
|
First period of utilization window |
|
SEnd
e
|
Last period of utilization window |
|
SCapa
e
|
Storage capacity in metric tons (not used for the Field type) |
|
SQBeg
e
|
Initial inventory in metric tons (≤ SCapa) |
|
SQEndMin
e
|
Minimum required final inventory in metric tons (≤ SCapa) |
|
SQEndMax
e
|
Maximum required final inventory in metric tons (≥ SQEndMin, ≤ SCapa) |
|
SInvCost
e
|
Inventory cost in euros per metric ton and per period |
|
S InpCost
e
|
Input cost (handling cost) in euros per metric ton and per period |
|
SOutCost
e
|
Output cost (handling cost) in euros per metric ton and per period |
|
SThru
e
|
Maximum throughput in metric tons per hour |
|
S Deg
e
|
Product degradation (storage loss) per period, e.g., 0.99 if 1% is lost |
|
S Rep
e
|
For the Stockstate type, ID of the representative in case of shared stock (see 5.2) |
|
For each task i ∈ TID read from table TASKS
|
|
TType
i
|
Type of task, allowed values in {Harvest, Dry, Rake, Bale, Pretreat, Transport, Refine} |
|
TLoca
i
|
ID of geographical site (for transport tasks, this is the depot of vehicles) |
|
T Dist
i
|
Precomputed road distance (transport tasks only) |
|
T Group
i
|
ID of resource combination group required to execute the task |
|
For each state-task arc (e, i) ∈ STA read from worksheet ST ARCS
|
|
STFrac
e, i
|
Ratio between the flow on the arc and the total flow consumed by the task |
|
STYield
e, i
|
Yield in metric tons per hectare (used only for the outgoing arcs of Field states) |
|
For each task-state arc (i, e) ∈ TSA read from worksheet TS ARCS
|
|
TSFrac
i, e
|
Ratio between the flow on the arc and the total flow consumed by the task |
|
TSDura
i, e
|
Processing time in periods for the output to state e
|
|
For each resource r ∈ RID read from worksheet RESOURCES
|
|
RFam
r
|
ID of resource family to which the resource belongs |
|
RCCost
r
|
Fixed cost (capital cost) in euros over the planning horizon |
|
RWT ime
r
|
Maximum working time per period, in hours |
|
For each resource combination c ∈ RCI D read from worksheet COMBINATIONS
|
|
RCGroup
c
|
ID of combination group to which combination c belongs |
|
RCOCost
c
|
Operating cost in euros per hour |
|
RCThru
c
|
Productivity in ha/h if c treats a Harvestor Rake task, in bales/h if c treats a Bale task |
|
RCSpeed
c
|
Average speed in km/h |
|
RCWeight
c
|
Maximum weight of payload in metric tons |
|
RCVolume
c
|
Maximum volume of payload in cubic meters |
|
RC Power
|
Power in kilowatts |
|
RCFuel
|
Gasoil consumption in liters per hour |
|
For each pair (w, k) ∈ DPairsread from worksheet DEMANDS
|
|
DNeed
w, k
|
Demand for crop part k in refinery-period w, in dry metric tons |
|
For each pair (l, f) ∈ LFPairsread from worksheet LOCA FAM
|
|
LFN Max
l, f
|
Maximum number of resources from family f that can be employed on site l
|
