Comparison of Linear and Nonlinear Model Predictive Control for Optimization of Spray Dryer Operation. Issue 23 (2015)

• Record Type: Journal Article
• Authors: Petersen, Lars Norbert; Poulsen, Niels Kjølstad; Niemann, Hans Henrik; Utzen, Christer; Jørgensen, John Bagterp
• Is Part Of: IFAC-PapersOnLine. Volume 48:Issue 23(2015)
• Page Start: 218
• Page End: 223
• Publication Date: 2015
• Subjects: Model Predictive Control -- Optimization -- Spray Drying -- Simulation; Automatic control -- Periodicals; 629.805
• DOI: 10.1016/j.ifacol.2015.11.286
• Languages: English
• ISSNs: 2405-8963

Abstract

Abstract: In this paper, we compare the performance of an economically optimizing Nonlinear Model Predictive Controller (E-NMPC) to a linear tracking Model Predictive Controller (MPC) for a spray drying plant. We find in this simulation study, that the economic performance of the two controllers are almost equal. We evaluate the economic performance with an industrially recorded disturbance scenario, where unmeasured disturbances and model mismatch are present. The state of the spray dryer, used in the E-NMPC and MPC, is estimated using Kalman Filters with noise covariances estimated by a maximum likelihood (ML) method.