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Model predictive control of a radiant floor cooling system in an office space.

Number: pap. 3641

Author(s) : JOE J., KARAVA P., HOU X., et al.

Summary

This study presents an optimal control formulation for the operation of a radiant floor system in an open plan office space with an air-cooled chiller as a source. A simulation case study with different control schemes is used to evaluate the potential of the model predictive control for the radiant floor as well as the optimal control coordination of a radiant and air comfort delivery system. The comparison with a reference case of proportional control shows a saving potential for the radiant floor of around 10 to 15.8 %. This results from maintaining the operative temperature at the upper bound and precooling or load shifting. Optimal control coordination of radiant floor and air system yields additional saving of around 2 %. The proposed intuitive formulation of linear programming can be implemented to other control problems with a linear building model and known COP with respect to weather prediction. The formulation is applicable to other complex systems with two or more control systems such as openplan spaces with several control units or multiple zones (or buildings) with centralized plant.

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Pages: 10 p.

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Details

  • Original title: Model predictive control of a radiant floor cooling system in an office space.
  • Record ID : 30019278
  • Languages: English
  • Subject: Environment
  • Source: 2016 Purdue Conferences. 4th International High Performance Buildings Conference at Purdue.
  • Publication date: 2016/07/11

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