An optimal control model for load shifting—with application in the energy management of a colliery

Arno Middelberg, Jiangfeng Zhang, Xiaohua Xia

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

This paper presents an optimal control model for the load shifting problem in energy management and its application in a South African colliery. It is illustrated in the colliery scenario that how the optimal control model can be applied to optimize load shifting and improve energy efficiency through the control of conveyor belts. The time-of-use electricity tariff is used as an input to the objective function in order to obtain a solution that minimizes electricity costs and thus maximizes load shifting. The case study yields promising results that show the potential of applying this optimal control model to other industrial Demand Side Management initiatives.
Original languageEnglish
Pages (from-to)1266-1273
Number of pages8
JournalApplied Energy
Volume86
Issue number7-8
DOIs
Publication statusPublished - Jul 2009

Keywords

  • optimal control model
  • load shifting
  • energy management
  • colliery
  • binary integer programming
  • optimal control
  • energy management
  • demand side management
  • time-of-use
  • dense media separation

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