Abstract
A two-layer structure model predictive control (MPC) for the low thermal efficiency of cement raw material pre-decomposition is proposed. In the upper layer, an outlet temperature of the precalciner automatic setting scheme is formulated with craft constraints by taking advantage of the energy flow and thermal energy conversion models. In the lower layer, the stable control of the precalciner is achieved using a model predictive control algorithm. Finally, extensive simulation results verify the proposed two-layer MPC approach with excellent performance in energy saving and consumption reduction of raw meal pre-decomposition link.
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