Merge pull request #142 from NREL/rjf/no-stations-charger-search

skip charge instructions with no valid stations

Author: nreinicke

nrel/hive/dispatcher/instruction_generator/instruction_generator_ops.py

@@ -186,6 +186,12 @@ def instruct_vehicles_to_dispatch_to_station(
         if len(instructions) >= n:
             break
 
+        valid_stations = simulation_state.get_stations(
+            filter_function=lambda s: s.membership.grant_access_to_membership(veh.membership)
+        )
+        if len(valid_stations) == 0:
+            break
+
         if charging_search_type == ChargingSearchType.NEAREST_SHORTEST_QUEUE:
             # use the simple weighted euclidean distance ranking
 
@@ -203,7 +209,7 @@ def instruct_vehicles_to_dispatch_to_station(
 
         nearest_station = H3Ops.nearest_entity(
             geoid=veh.geoid,
-            entities=simulation_state.stations.values(),
+            entities=valid_stations,
             entity_search=simulation_state.s_search,
             sim_h3_search_resolution=simulation_state.sim_h3_search_resolution,
             max_search_distance_km=max_search_radius_km,
@@ -284,6 +290,12 @@ def get_nearest_valid_station_distance(
     :return: the distance in km to the nearest valid station
     """
 
+    valid_stations = simulation_state.get_stations(
+        filter_function=lambda s: s.membership.grant_access_to_membership(vehicle.membership)
+    )
+    if len(valid_stations) == 0:
+        return 99999999999999
+
     if charging_search_type == ChargingSearchType.NEAREST_SHORTEST_QUEUE:
         # use the simple weighted euclidean distance ranking
 

nrel/hive/resources/scenarios/denver_downtown/bases/denver_demo_no_stations.csv

@@ -0,0 +1,2 @@
+base_id,lat,lon,station_id,stall_count
+b1,39.754695,-104.988116,,300

nrel/hive/resources/scenarios/denver_downtown/denver_no_stations.yaml

@@ -0,0 +1,101 @@
+sim:
+  # (required) any name you want to give your simulation (go ahead, be creative);
+  sim_name: denver_demo
+
+  # (required) the start time of the simulation;
+  start_time: "1970-01-01T00:00:00"
+
+  # (required) the end time of the simulation;
+  end_time: "1970-01-02T00:00:00"
+
+  # (optional) how many seconds does a single hive time step represent;
+  # must be an integer; generally, 60 seconds is the recommended value based on internal testing and validation;
+  timestep_duration_seconds: 60
+
+  # (optional) represents how long a request will be active in the simulation;
+  # after this timeout the request is destroyed;
+  request_cancel_time_seconds: 600
+
+  # (optional) what is the atomic unit of the simulation;
+  # 15 is equivalent to approximately 1 meter;
+  sim_h3_resolution: 15
+
+  # (optional) which h3 resolution should we search for entities?
+  sim_h3_search_resolution: 7
+
+  # (optional) if using human drivers, what type of schedule should we use?
+  schedule_type: "time_range"
+
+network:
+  # (required) what type of network to use; options: osm_network | euclidean
+  network_type: osm_network
+
+  # (optional) if no speed exists in the road network data input, we fill it in with this value;
+  default_speed_kmph: 40.0
+
+input:
+  # (required)
+  vehicles_file: denver_demo_vehicles_no_stations.csv
+
+  # (required)
+  requests_file: denver_demo_requests.csv
+
+  # (required)
+  bases_file: denver_demo_no_stations.csv
+
+  # (required)
+  stations_file: denver_demo_no_stations.csv
+
+  # (optional) only used with `network_type: osm_network`
+  road_network_file: downtown_denver_network.json
+
+  # (optional) outline a geofence for control purposes
+  geofence_file: downtown_denver.geojson
+
+  # (optional) defaults to zero cost if not specified
+  rate_structure_file: rate_structure.csv
+
+  # (optional) defaults to zero cost if not specified
+  charging_price_file: denver_charging_prices_by_geoid.csv
+
+  # (optional) default is no demand forecasting
+  demand_forecast_file: denver_demand.csv
+
+dispatcher:
+  # (optional) how often should we issue dispatching instructions?
+  default_update_interval_seconds: 600
+
+  # (optional) ingnore searching for any entity beyond this threshold
+  max_search_radius_km: 100.0
+
+  ## Parameters for the default matching dispatcher
+
+  # (optional) don't match requests to vehicles beyond this range
+  matching_range_km_threshold: 20
+
+  # (optional) which states will the default matching dispatcher consider valid?
+  valid_dispatch_states:
+    - Idle
+    - Repositioning
+
+  ## Parameters for the default charging dispatcher
+
+  # (optional) how to search for stations? nearest_shortest_queue | shortest_time_to_charge
+  charging_search_type: nearest_shortest_queue
+
+  # (optional) ignore charging at stations when remaining range is greater than this plus the nearest station distance
+  charging_range_km_threshold: 20
+
+  # (optional) ignore charging at stations when remaining range is greater than this
+  charging_range_km_soft_threshold: 50
+
+  # (optional) ignore base charging at bases more than this threshold
+  base_charging_range_km_threshold: 100
+
+  ## Parameters for the driver control
+
+  # (optional) SOC target for fast charging at a station
+  ideal_fastcharge_soc_limit: 0.8
+
+  # (optional) how long do drivers idle before returning to a base?
+  idle_time_out_seconds: 1800

nrel/hive/resources/scenarios/denver_downtown/stations/denver_demo_no_stations.csv

@@ -0,0 +1 @@
+station_id,lat,lon,charger_count,charger_id,on_shift_access

nrel/hive/resources/scenarios/denver_downtown/vehicles/denver_demo_vehicles_no_stations.csv

@@ -0,0 +1,21 @@
+vehicle_id,lat,lon,mechatronics_id,initial_soc,schedule_id,home_base_id
+v1,39.754695,-104.988116,leaf_50,0.3
+v2,39.754695,-104.988116,leaf_50,0.3
+v3,39.754695,-104.988116,leaf_50,0.3
+v4,39.754695,-104.988116,leaf_50,0.3
+v5,39.754695,-104.988116,leaf_50,0.3
+v6,39.754695,-104.988116,leaf_50,0.3
+v7,39.754695,-104.988116,leaf_50,0.3
+v8,39.754695,-104.988116,leaf_50,0.3
+v9,39.754695,-104.988116,leaf_50,0.3
+v10,39.754695,-104.988116,leaf_50,0.3
+v11,39.754695,-104.988116,leaf_50,0.3
+v12,39.754695,-104.988116,leaf_50,0.3
+v13,39.754695,-104.988116,leaf_50,0.3
+v14,39.754695,-104.988116,toyota_corolla,0.3
+v15,39.754695,-104.988116,toyota_corolla,0.3
+v16,39.754695,-104.988116,toyota_corolla,0.3
+v17,39.754695,-104.988116,toyota_corolla,0.3
+v18,39.754695,-104.988116,toyota_corolla,0.3
+v19,39.754695,-104.988116,toyota_corolla,0.3
+v20,39.754695,-104.988116,toyota_corolla,0.3