Chemical process dynamic optimization based on hybrid differential evolution algorithm integrated with Alopex  被引量:5

Chemical process dynamic optimization based on hybrid differential evolution algorithm integrated with Alopex

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作  者:范勤勤 吕照民 颜学峰 郭美锦 

机构地区:[1]Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education (East China University of Science and Technology)

出  处:《Journal of Central South University》2013年第4期950-959,共10页中南大学学报(英文版)

基  金:Project(2013CB733600) supported by the National Basic Research Program of China;Project(21176073) supported by the National Natural Science Foundation of China;Project(20090074110005) supported by Doctoral Fund of Ministry of Education of China;Project(NCET-09-0346) supported by Program for New Century Excellent Talents in University of China;Project(09SG29) supported by "Shu Guang", China

摘  要:To solve dynamic optimization problem of chemical process (CPDOP), a hybrid differential evolution algorithm, which is integrated with Alopex and named as Alopex-DE, was proposed. In Alopex-DE, each original individual has its own symbiotic individual, which consists of control parameters. Differential evolution operator is applied for the original individuals to search the global optimization solution. Alopex algorithm is used to co-evolve the symbiotic individuals during the original individual evolution and enhance the fitness of the original individuals. Thus, control parameters are self-adaptively adjusted by Alopex to obtain the real-time optimum values for the original population. To illustrate the whole performance of Alopex-DE, several varietal DEs were applied to optimize 13 benchmark functions. The results show that the whole performance of Alopex-DE is the best. Further, Alopex-DE was applied to solve 4 typical CPDOPs, and the effect of the discrete time degree on the optimization solution was analyzed. The satisfactory result is obtained.To solve dynamic optimization problem of chemical process (CPDOP), a hybrid differential evolution algorithm, which is integrated with Alopex and named as Alopex-DE, was proposed. In Alopex-DE, each original individual has its own symbiotic individual, which consists of control parameters. Differential evolution operator is applied for the original individuals to search the global optimization solution. Alopex algorithm is used to co-evolve the symbiotic individuals during the original individual evolution and enhance the fitness of the original individuals. Thus, control parameters are self-adaptively adjusted by Alopex to obtain the real-time optimum values for the original population. To illustrate the whole performance of Alopex-DE, several varietal DEs were applied to optimize 13 benchmark functions. The results show that the whole performance of Alopex-DE is the best. Further, Alopex-DE was applied to solve 4 typical CPDOPs, and the effect of the discrete time degree on the optimization solution was analyzed. The satisfactory result is obtained.

关 键 词:evolutionary computation dynamic optimization differential evolution algorithm Alopex algorithm self-adaptivity 

分 类 号:TP18[自动化与计算机技术—控制理论与控制工程] TN911.72[自动化与计算机技术—控制科学与工程]

 

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