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- # -*- coding: utf-8 -*-
- from typing import Tuple
- import numpy as np
- from httpx import AsyncClient
- from loguru import logger
- from app.controllers.equipment.controller import EquipmentController
- from app.models.domain.equipment import VAVBox, FCU
- from app.models.domain.space import Space
- from app.services.platform import DataPlatformService
- from app.services.transfer import EquipmentInfoService, SpaceInfoService
- class VAVController(EquipmentController):
- def __init__(self, equipment: VAVBox):
- super(VAVController, self).__init__()
- self._equipment = equipment
- async def get_strategy(self):
- strategy = 'Plan A'
- for space in self._equipment.spaces:
- for eq in space.equipment:
- if isinstance(eq, FCU):
- strategy = 'Plan B'
- break
- return strategy
- async def get_temperature(self) -> Tuple[float, float]:
- target_list, realtime_list = [], []
- buffer_list = []
- strategy = await self.get_strategy()
- for space in self._equipment.spaces:
- if not np.isnan(space.temperature_target):
- target_list.append(space.temperature_target)
- realtime_list.append(space.realtime_temperature)
- if strategy == 'Plan B':
- for eq in space.equipment:
- logger.info(eq)
- if isinstance(eq, FCU):
- buffer = (4 - eq.air_valve_speed) / 4
- buffer_list.append(buffer)
- break
- logger.info(f'target list: {target_list}')
- logger.info(f'realtime list: {realtime_list}')
- logger.info(f'buffer list: {buffer_list}')
- total_target = buffer_list + target_list
- total_realtime = buffer_list + realtime_list
- if total_target and total_realtime:
- target_result = np.array(total_target).sum() / len(target_list)
- realtime_result = np.array(total_realtime).sum() / len(realtime_list)
- self._equipment.setting_temperature = target_result
- else:
- target_result, realtime_result = np.NAN, np.NAN
- return target_result, realtime_result
- async def get_supply_air_flow_set(self) -> float:
- temperature_set, temperature_realtime = await self.get_temperature()
- if np.isnan(temperature_set) or np.isnan(temperature_realtime):
- supply_air_flow_set = 0.0
- else:
- temperature_supply = self._equipment.supply_air_temperature
- if np.isnan(temperature_supply):
- temperature_supply = 19.0
- logger.info(f'supply air flow: {self._equipment.supply_air_flow}')
- logger.info(f'supply air temperature: {temperature_supply}')
- logger.info(f'set temperature: {temperature_set}')
- logger.info(f'realtime temperature: {temperature_realtime}')
- supply_air_flow_set = self._equipment.supply_air_flow * ((temperature_supply - temperature_realtime)
- / (temperature_supply - temperature_set))
- supply_air_flow_set = max(150.0, supply_air_flow_set)
- self._equipment.supply_air_flow_set = supply_air_flow_set
- return supply_air_flow_set
- async def run(self):
- await self.get_supply_air_flow_set()
- self._equipment.running_status = True
- def get_results(self):
- return self._equipment
- @logger.catch()
- async def get_vav_control_result(project_id: str, equipment_id: str) -> VAVBox:
- async with AsyncClient() as client:
- duo_duo = EquipmentInfoService(client, project_id)
- platform = DataPlatformService(client, project_id)
- _AHU_LIST = [
- 'Eq1101050030846e0a94670842109f7c8d8db0d44cf5',
- 'Eq1101050030b6b2f1db3d6944afa71e213e0d45d565'
- ]
- realtime_supply_air_temperature_list = []
- for eq in _AHU_LIST:
- realtime_supply_air_temperature_list.append(await platform.get_realtime_supply_air_temperature(eq))
- realtime_supply_air_temperature = np.array(realtime_supply_air_temperature_list).mean()
- realtime_supply_air_flow = await platform.get_realtime_supply_air_flow(equipment_id)
- served_spaces = await duo_duo.get_space_by_equipment(equipment_id)
- space_objects = []
- for sp in served_spaces:
- sp_id = sp.get('id')
- transfer = SpaceInfoService(client, project_id, sp_id)
- current_target = await transfer.get_current_temperature_target()
- realtime_temperature = await platform.get_realtime_temperature(sp_id)
- related_equipment = await transfer.get_equipment()
- equipment_objects = []
- for eq in related_equipment:
- if eq.get('category') == 'ACATFC':
- speed = await platform.get_fan_speed(eq.get('id'))
- temp_fcu_params = {'id': eq.get('id'), 'air_valve_speed': speed}
- fcu = FCU(**temp_fcu_params)
- equipment_objects.append(fcu)
- temp_space_params = {
- 'id': sp_id,
- 'realtime_temperature': realtime_temperature,
- 'equipment': equipment_objects,
- 'temperature_target': current_target
- }
- space = Space(**temp_space_params)
- space_objects.append(space)
- temp_vav_params = {
- 'id': equipment_id,
- 'spaces': space_objects,
- 'supply_air_temperature': realtime_supply_air_temperature,
- 'supply_air_flow': realtime_supply_air_flow,
- }
- vav = VAVBox(**temp_vav_params)
- vav_controller = VAVController(vav)
- await vav_controller.run()
- regulated_vav = vav_controller.get_results()
- return regulated_vav
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