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A multi-level MPC simulation study in a school building.

Number: pap. 3654

Author(s) : DEHKORDI V. R., CANDANEDO J. A.

Summary

This paper discusses a proof of concept application of a multi-level modelling concept for the treatment of predictive control in an institutional building. The multi-level approach consists in tackling the control problems of a building hierarchically in several control layers. By setting aside internal details and focusing only on the problem at hand, it is possible to describe the dynamics of the system under consideration with simple low-order models; this strategy facilitates model calibration and the solution of predictive control problems. The case study building considered is a two-story school with a floor area of 24,000 m2. A benchmark model of the building, created in EnergyPlus, was used to generate data to identify models at three different levels: building level (one model), wing (7 models) and thermal zone (46 models). The multi-level representation enables an effective treatment of the different time scales involved. An MPC strategy was investigated by optimizing the use of two energy storage devices, one for heating (brick thermal energy storage) and another for cooling (ice bank). The MPC strategy enables reducing cost under a time-of-use tariff.

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Pages: 10 p.

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Details

  • Original title: A multi-level MPC simulation study in a school building.
  • Record ID : 30019233
  • Languages: English
  • Source: 2016 Purdue Conferences. 4th International High Performance Buildings Conference at Purdue.
  • Publication date: 2016/07/11

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