| { |
| "num_orders": "<int> Total number of customer orders to be fulfilled during the planning horizon.", |
| "num_products": "<int> Total number of distinct product types that can be produced and delivered.", |
| "depot": { |
| "x": "<float> X-coordinate of the central depot location in the service area.", |
| "y": "<float> Y-coordinate of the central depot location in the service area." |
| }, |
| "global_parameters": { |
| "period_length_minutes": "<int> Duration of each period in minutes.", |
| "subperiod_length_minutes": "<int> Duration of each subperiod in minutes.", |
| "subperiods_per_period": "<int> Number of subperiods contained within each period.", |
| "setup_length_minutes": "<int> Time required to set up a workstation before switching to a different product.", |
| "setup_length_subperiods": "<int> Number of subperiods consumed by a single workstation setup operation.", |
| "max_shift_route_length_periods": "<int> Maximum number of periods that a driver shift or vehicle route can span.", |
| "max_shift_route_length_minutes": "<int> Maximum duration in minutes that a driver shift or vehicle route can span.", |
| "min_paid_time_subperiods": "<int> Minimum number of subperiods a driver or employee must be paid for once their shift begins.", |
| "min_paid_time_minutes": "<int> Minimum paid duration in minutes once a driver or employee shift begins.", |
| "driver_salary_per_minute": "<float> Wage rate paid to each driver per minute of their shift.", |
| "employee_salary_per_subperiod": "<float> Wage rate paid to each production employee per subperiod worked.", |
| "setup_cost": "<float> Fixed cost incurred each time a workstation is set up for a different product.", |
| "vehicle_operating_cost_per_minute": "<float> Cost per minute of operating a delivery vehicle while en route.", |
| "preparation_time_minutes": "<int> Time in minutes needed at the depot to load a vehicle before it departs on a trip.", |
| "service_time_minutes": "<int> Time in minutes spent at each customer location during delivery.", |
| "max_trips_per_route": "<int> Maximum number of trips a single vehicle can make within one route (returning to depot between trips).", |
| "horizon_start_minutes": "<int> Start time of the planning horizon expressed as minutes from midnight.", |
| "horizon_end_minutes": "<int> End time of the planning horizon expressed as minutes from midnight.", |
| "num_periods": "<int> Total number of periods spanning the planning horizon.", |
| "num_subperiods": "<int> Total number of subperiods spanning the planning horizon." |
| }, |
| "num_workstations": "<int> Number of workstations available for production at the depot.", |
| "num_production_employees": "<int> Number of production employees available to operate workstations.", |
| "num_vehicles": "<int> Number of delivery vehicles available in the fleet.", |
| "num_drivers": "<int> Number of drivers available to operate delivery vehicles.", |
| "vehicle_capacity": "<int> Maximum total space units a single vehicle can carry per trip.", |
| "products": [ |
| { |
| "product_id": "<int> Unique identifier for this product type.", |
| "production_rate_per_subperiod": "<float> Maximum units of this product that one employee can produce in a single subperiod.", |
| "life_span_minutes": "<int> Maximum time in minutes allowed between production completion and delivery to the customer." |
| } |
| ], |
| "orders": [ |
| { |
| "order_id": "<int> Unique identifier for this customer order.", |
| "x": "<float> X-coordinate of the customer location for this order.", |
| "y": "<float> Y-coordinate of the customer location for this order.", |
| "time_window_start": "<int> Earliest acceptable delivery time in minutes from midnight.", |
| "time_window_end": "<int> Latest acceptable delivery time in minutes from midnight.", |
| "service_time": "<int> Time in minutes required to serve this customer upon arrival.", |
| "demands": "<dict, key: '{product_id}'> Number of units of each product requested by this order.", |
| "space_requirement": "<int> Total space units this order occupies in the delivery vehicle." |
| } |
| ], |
| "travel_time_matrix": "<list[list[float]], shape [num_orders+1][num_orders+1]> Travel time in minutes between each pair of locations, where index 0 is the depot and indices 1 through num_orders correspond to customer order locations.", |
| "production_windows": { |
| "{order_id}": { |
| "{product_id}": { |
| "release_time": "<float> Earliest time in minutes from midnight at which production of this product for this order may begin.", |
| "due_time": "<float> Latest time in minutes from midnight by which production of this product for this order must be completed.", |
| "valid_subperiod_ids": "<list[int]> Subperiod indices during which this product may be produced for this order." |
| } |
| } |
| }, |
| "periods": [ |
| { |
| "period_id": "<int> Unique identifier for this period.", |
| "start_time": "<int> Start time of this period in minutes from midnight.", |
| "end_time": "<int> End time of this period in minutes from midnight." |
| } |
| ], |
| "subperiods": [ |
| { |
| "subperiod_id": "<int> Unique identifier for this subperiod.", |
| "start_time": "<int> Start time of this subperiod in minutes from midnight.", |
| "end_time": "<int> End time of this subperiod in minutes from midnight." |
| } |
| ] |
| } |
|
|
