Generalized Predictive Control of PVC Polymerization Based on Piecewise Affine

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Jie-sheng Wang²  Shu-zhi Gao³  Xian-wen Gao¹ 

[1] School of Information Science and Engineering, Northeastern University;School of Electronic and Information Engineering, University of Science and Technology Liaoning;School of Information and Engineering, Shenyang University of Chemical Technology

关键词: PVC Polymerization Process;    Piecewise Affine Model;    Generalized Predictive Control;    LMI;   

DOI  :  10.1252/jcej.12we292

来源: Maruzen Company Ltd

【 摘 要 】

References(15)According to the nonlinearity of the temperature of polyvinyl chloride (PVC) polymerization reactors, a generalized predictive control (GPC) algorithm based on piecewise affine is proposed. Firstly, a dynamic equation for the polymerizing temperature is derived in accordance with the heat-balance mechanism. The piecewise affine model is based on the polymerizing temperature and conversion rate. The state space of each subsystem is described by an oval set. Next, LMI is used to design the controller and set up the Lyapunov function to analyze the system stability. Finally, the proposed piecewise affine model is applied to the generalized predictive control algorithm. Simulation and industrial application results show the validity and feasibility of the proposed strategy.

【 授权许可】

Unknown