modelHaldi2008BlindsTIn

A model to predict occupants' blinds behavior with indoor temperature

Extends from Modelica.Blocks.Icons.DiscreteBlock (Graphical layout of discrete block component icon).

Information

Model predicting the state of the blinds with the indoor temperature.

Dynamics

When the space is unoccupied, the blinds are always down. When the space is occupied, the lower TIn is, the higher the chance that the blind is up.

References

The model is documented in the paper "Haldi, F. and Robinson, D., 2008. On the behaviour and adaptation of office occupants. Building and environment, 43(12), pp.2163-2177."

The model parameters are regressed from the field study in eight Swiss office buildings in 2006.

Parameters

TypeNameDefaultDescription
RealA0.425Slope of indoor temperature
RealB-11.37Intercept
IntegerlocalSeed1000Local seed to be used to generate the initial state of the random number generator
IntegerglobalSeed30129Global seed to be combined with the local seed
Modelica.Units.SI.TimesamplePeriod120Sample period

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealInputTInIndoor air temperature
Modelica.Blocks.Interfaces.BooleanInputoccIndoor occupancy, true for occupied
Modelica.Blocks.Interfaces.RealOutputblindStateState of blinds, 1 being blinds down

Components

TypeNameDefaultDescription
RealpDownThe probability of lowering the blinds

Revisions

  • December 6, 2024, by Michael Wetter:
    Refactored implementation of random number calculations, transfering the local state of the random number generator from one call to the next.
    This is for #4069.
  • August 31, 2018, by Zhe Wang:
    First revision.
  • July 24, 2018, by Zhe Wang:
    First implementation.