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

Middelberg, Arno and Zhang, Jiangfeng and Xia, Xiaohua (2009) An optimal control model for load shifting—with application in the energy management of a colliery. Applied Energy, 86 (7-8). pp. 1266-1273.

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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.