Optimization and control of a continuous polymerization reactor

Autor(es)

Alvarez, L. A. ^[1] ; Odloak, D. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Polytech Sch, Dept Chem Engn, BR-05508900 Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Brazilian Journal of Chemical Engineering; v. 29, n. 4, p. 807-820, OCT-DEC 2012.
• Citações Web of Science: 9

Resumo

This work studies the optimization and control of a styrene polymerization reactor. The proposed strategy deals with the case where, because of market conditions and equipment deterioration, the optimal operating point of the continuous reactor is modified significantly along the operation time and the control system has to search for this optimum point, besides keeping the reactor system stable at any possible point. The approach considered here consists of three layers: the Real Time Optimization (RTO), the Model Predictive Control (MPC) and a Target Calculation (TC) that coordinates the communication between the two other layers and guarantees the stability of the whole structure. The proposed algorithm is simulated with the phenomenological model of a styrene polymerization reactor, which has been widely used as a benchmark for process control. The complete optimization structure for the styrene process including disturbances rejection is developed. The simulation results show the robustness of the proposed strategy and the capability to deal with disturbances while the economic objective is optimized. (AU)

• Processo FAPESP: 08/57511-9 - Desenvolvimento de um controlador MPC com objetivo econômico para sistemas de grande porte
• Beneficiário: Luz Adriana Alvarez Toro
• Modalidade de apoio: Bolsas no Brasil - Doutorado