Optimal Day-to-Night Greenhouse Heat Storage: Square-Wave Weather

Ido Seginer, Gerrit van Straten, Peter van Beveren

Research output: Contribution to journalArticleAcademicpeer-review


Day-to-night heat storage is often practiced in cold-climate greenhouses. It is suggested to manage the heat storage by considering the co-state (virtual value) of the stored heat in the on-line optimization of the greenhouse environment. Examples worked out for a periodic square-wave weather show that a properly selected constant co-state can produce an optimal solution to the control problem. The optimal co-state is shown to change with time over the year. Maximizing the performance criterion can also be achieved by minimizing the time that the heat buffer is either completely empty or completely full.

Original languageEnglish
Pages (from-to)375-380
Issue number16
Publication statusPublished - 2016


  • Co-state
  • Constrained optimum
  • Greenhouse
  • Heat storage
  • Optimal control
  • Time on bounds


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