Demand Response for Chemical Manufacturing using Economic MPC

CONFIDENTIAL. Limited circulation. For review only.arrive at a proper economic assessment of the smart gridopportunity one must factor in the cost of this upgradeequipment. The methods of [29, 30] illustrate one approachto this combined capital and operating cost analysis.It was also observed that economic performance is astrong function of EMPC horizon size. While the 48 hourhorizon presented little computational challenge in the smallexample of this paper, it is likely to be a challenge in morerealistic examples where the model is substantially largerand additional constraints (ramp rate limitations and start-up/ shut-down restrictions) are imposed. In these cases, themethod of infinite-horizon EMPC, [20, 28], will likely ofutility.(bbl)Ma ss inStorage100005000M 4M 500 0.5 1 1.5 2time (days)[11] Roth, K., R. Zogg, and J. Brodrick (2006) Cool ThermalEnergy Storage, ASHRAE Journal., 48, pp 94-96[12] Parvania, M., M.Fotuhi-Firuzabad (2010). 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Conf., Montreal, Canadaprogramming method, App. Thermal Eng., vol. 25, pp 461-472Mass Flow(bbl/sec)6Preprint submitted to 2013 American Control Conference.Received September 24, 2012.