Optimization of a Fluid Catalytic Cracking Kinetic Model by Improved Particle Swarm Optimization. Issue 2 (18th December 2019)

• Record Type: Journal Article
• Authors: Sun, Shiyuan; Yan, Hongfei; Meng, Fandong
• Is Part Of: Chemical engineering & technology. Volume 43:Issue 2(2020)
• Page Start: 289
• Page End: 297
• Publication Date: 2019-12-18
• Subjects: Fluid catalytic cracking -- Kinetic models -- Particle swarm optimization; Chemical engineering -- Periodicals; Chemical processes -- Periodicals; 660.05
• DOI: 10.1002/ceat.201800500
• Languages: English
• ISSNs: 0930-7516

Abstract

Abstract: Fluid catalytic cracking (FCC) kinetic models are characterized by high dimension, nonlinearity, discontinuity, and non‐differentiability. Particle swarm optimization is easy to fall into local optima prematurely when it is applied to the optimization of kinetic models. To solve this problem, an improved two‐swarm cooperative particle swarm optimization (ITCPSO) is proposed. Considering the reaction mechanism of FCC, an 8‐lumps kinetic model was developed. According to the pilot data, nine PSO algorithms and ITCPSO are presented to estimate the parameters. The results demonstrate that better performance of global searching is gained by ITCPSO compared to other PSOs, thus, ITCPSO is expected to be implemented in the optimization of complex kinetic models. Abstract : The lumped kinetic model of fluid catalytic cracking, a typical high‐dimensional complex function, is applied to investigate the global optimization performance of different algorithms. For improving the result of the optimization of a high‐dimensional, nonlinear, discontinuous, and non‐differentiable model, an improved two‐swarm cooperative particle swarm optimization is proposed.