2013
DOI: 10.1002/apj.1712
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Hybrid gradient particle swarm optimization for dynamic optimization problems of chemical processes

Abstract: Dynamic optimization problems (DOP) in chemical processes are very challenging because of their highly nonlinear, multidimensional, multipeak and constrained nature. In this paper, we propose a novel algorithm named hybrid gradient particle swarm optimization (HGPSO) by hybridizing particle swarm optimization (PSO) with gradient-based algorithms (GBA). HGSPO can improve the convergence rate and solution precision of pure PSO, and avoid getting trapped to local optimums with pure GBA search. We further incorpor… Show more

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Cited by 24 publications
(21 citation statements)
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“…This system has been studied, among others, by Jacobson and Lele 20 , Mekarapiruk and Luus 14 , Chen et al 24 , Shelokar et al 6 and Chen et al 3 . The system equations are…”
Section: Example 1 Mathematical System With Nonlinear Inequality Conmentioning
confidence: 99%
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“…This system has been studied, among others, by Jacobson and Lele 20 , Mekarapiruk and Luus 14 , Chen et al 24 , Shelokar et al 6 and Chen et al 3 . The system equations are…”
Section: Example 1 Mathematical System With Nonlinear Inequality Conmentioning
confidence: 99%
“…Chen et al3 using gradient based PSO. The total computation time for the two steps is 1063 secs whereas the two successive 23 grid point runs ofMekarapiruk and Luus 14 to obtain their answer will take 3770 secs.…”
mentioning
confidence: 99%
“…To enhance the performance of common PSO, we proposed a PSO variant named HGPSO for solving DOPs [16], in which two strategies were employed.…”
Section: B Hgpsomentioning
confidence: 99%
“…Since stochastic methods can obtain global optimum for multimodal problems, stochastic methods, such as genetic algorithm (GA) [6], [7], DE [5], [8], particle swam optimization (PSO) [9], ant colony algorithm [10], simulated annealing [11], have been employed to solve DOPs. In our earlier work [16], PSO and GBA were hybridized to constitute an optimization method, named hybrid gradient particle swarm optimization (HGPSO), for DOPs. HGPSO combines the strong global search ability of PSO and the strong local search ability of GBA.…”
Section: Introductionmentioning
confidence: 99%
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