Module: OsLib_LightingAndEquipment

Includes:
OsLib_Schedules
Defined in:
lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb

Overview

load OpenStudio measure libraries

Class Method Summary collapse

Methods included from OsLib_Schedules

addScheduleTypeLimits, adjust_hours_of_operation_for_schedule_ruleset, conditionalScheduleValueAdjust, createComplexSchedule, createSimpleSchedule, create_schedule_variable_interval_from_time_series, create_timeseries_from_schedule_ruleset, getMinMaxAnnualProfileValue, scheduleFromRateOfChange, simpleScheduleValueAdjust, timeConditionalScheduleValueAdjust, weightedMergeScheduleRulesets

Class Method Details

.addDaylightSensor(model, options = {}) ⇒ Object

add daylight sensor



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 134

def self.addDaylightSensor(model, options = {})
  # set defaults to use if user inputs not passed in
  defaults = {
    'name' => nil,
    'space' => nil,
    'position' => nil,
    'phiRotationAroundZAxis' => nil,
    'illuminanceSetpoint' => nil,
    'lightingControlType' => '1', # 1 = Continuous
    'minInputPowerFractionContinuous' => nil,
    'minOutputPowerFractionContinuous' => nil,
    'numberOfSteppedControlSteps' => nil
  }

  # merge user inputs with defaults
  options = defaults.merge(options)

  pri_light_sensor = OpenStudio::Model::DaylightingControl.new(model)
  if !options['name'].nil? then pri_light_sensor.setName(options['name']) end
  if !options['space'].nil? then pri_light_sensor.setSpace(options['space']) end
  if !options['position'].nil? then pri_light_sensor.setPosition(options['position']) end
  if !options['phiRotationAroundZAxis'].nil? then pri_light_sensor.setPhiRotationAroundZAxis(options['phiRotationAroundZAxis']) end
  if !options['illuminanceSetpoint'].nil? then  pri_light_sensor.setIlluminanceSetpoint(options['illuminanceSetpoint']) end
  if !options['lightingControlType'].nil? then  pri_light_sensor.setLightingControlType(options['lightingControlType']) end

  result = pri_light_sensor
  return result
end

.addExteriorLights(model, runner, options = {}) ⇒ Object

return min ans max from array



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 74

def self.addExteriorLights(model, runner, options = {})
  # set defaults to use if user inputs not passed in
  defaults = {
    'name' => 'Exterior Light',
    'power' => 0,
    'subCategory' => 'Exterior Lighting',
    'controlOption' => 'AstronomicalClock',
    'setbackStartTime' => 0,
    'setbackEndTime' => 0,
    'setbackFraction' => 0.25
  }

  # merge user inputs with defaults
  options = defaults.merge(options)

  ext_lights_def = OpenStudio::Model::ExteriorLightsDefinition.new(model)
  ext_lights_def.setName("#{options['name']} Definition")
  runner.registerInfo("Setting #{ext_lights_def.name} to a design power of #{options['power']} Watts")
  ext_lights_def.setDesignLevel(options['power'])

  # creating schedule type limits for the exterior lights schedule
  ext_lights_sch_type_limits = OpenStudio::Model::ScheduleTypeLimits.new(model)
  ext_lights_sch_type_limits.setName("#{options['name']} Fractional")
  ext_lights_sch_type_limits.setLowerLimitValue(0)
  ext_lights_sch_type_limits.setUpperLimitValue(1)
  ext_lights_sch_type_limits.setNumericType('Continuous')

  # prepare values for profile
  if options['setbackStartTime'] == 24
    profile = { options['setbackEndTime'] => options['setbackFraction'], 24.0 => 1.0 }
  elsif options['setbackStartTime'] == 0
    profile = { options['setbackEndTime'] => options['setbackFraction'], 24.0 => 1.0 }
  elsif options['setbackStartTime'] > options['setbackEndTime']
    profile = { options['setbackEndTime'] => options['setbackFraction'], options['setbackStartTime'] => 1.0, 24.0 => options['setbackFraction'] }
  else
    profile = { options['setbackStartTime'] => 1.0, options['setbackEndTime'] => options['setbackFraction'] }
  end

  # inputs
  createSimpleSchedule_inputs = {
    'name' => options['name'],
    'winterTimeValuePairs' => profile,
    'summerTimeValuePairs' => profile,
    'defaultTimeValuePairs' => profile
  }

  # create a ruleset schedule with a basic profile
  ext_lights_sch = OsLib_Schedules.createSimpleSchedule(model, createSimpleSchedule_inputs)

  # creating exterior lights object
  ext_lights = OpenStudio::Model::ExteriorLights.new(ext_lights_def, ext_lights_sch)
  ext_lights.setName("#{options['power']} w Exterior Light")
  ext_lights.setControlOption(options['controlOption'])
  ext_lights.setEndUseSubcategory(options['subCategory'])

  result = ext_lights
  return result
end

.createHashOfInternalLoadWithHardAssignedSchedules(internalLoadArray) ⇒ Object

make hash of hard assigned schedules with lighting levels



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 164

def self.createHashOfInternalLoadWithHardAssignedSchedules(internalLoadArray)
  hardAssignedScheduleHash = {}
  internalLoadArray.each do |load|
    if !load.isScheduleDefaulted
      # add to schedule hash
      if !load.schedule.empty?
        if !(hardAssignedScheduleHash[load.schedule.get])
          hardAssignedScheduleHash[load.schedule.get] = 1
        else
          hardAssignedScheduleHash[load.schedule.get] += 1 # this is to catch multiple objects instances using the same hard assigned schedule
        end
      end
    end
  end

  result = hardAssignedScheduleHash
  return result
end

.getEpdForSpaceArray(spaceArray) ⇒ Object

get value per area for electric equipment loads in space array.



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 184

def self.getEpdForSpaceArray(spaceArray)
  floorArea = 0
  electricEquipmentPower = 0

  spaceArray.each do |space|
    floorArea += space.floorArea * space.multiplier
    electricEquipmentPower += space.electricEquipmentPower * space.multiplier
  end

  epd = electricEquipmentPower / floorArea

  result = epd
  return result
end

.getExteriorLightsValue(model) ⇒ Object

return min ans max from array



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 43

def self.getExteriorLightsValue(model)
  facility = model.getFacility
  exterior_lights_power = 0
  exterior_lights = facility.exteriorLights
  exterior_lights.each do |exterior_light|
    exterior_light_multiplier = exterior_light.multiplier
    exterior_light_def = exterior_light.exteriorLightsDefinition
    exterior_light_base_power = exterior_light_def.designLevel
    exterior_lights_power += exterior_light_base_power * exterior_light_multiplier
  end

  result = { 'exterior_lighting_power' => exterior_lights_power, 'exterior_lights' => exterior_lights }
  return result
end

.getLpdForSpaceArray(spaceArray) ⇒ Object

get value per area for electric equipment loads in space array.



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 200

def self.getLpdForSpaceArray(spaceArray)
  floorArea = 0
  lightingPower = 0

  spaceArray.each do |space|
    floorArea += space.floorArea * space.multiplier
    lightingPower += space.lightingPower * space.multiplier
  end

  lpd = lightingPower / floorArea

  result = lpd
  return result
end

.removeAllExteriorLights(model, runner) ⇒ Object

return min ans max from array



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# File 'lib/openstudio/extension/core/os_lib_lighting_and_equipment.rb', line 59

def self.removeAllExteriorLights(model, runner)
  facility = model.getFacility
  lightsRemoved = false
  exterior_lights = facility.exteriorLights
  exterior_lights.each do |exterior_light|
    runner.registerInfo("Removed exterior light named #{exterior_light.name}.")
    exterior_light.remove
    lightsRemoved = true
  end

  result = lightsRemoved
  return result
end