To decrease the impact of shorter product life cycles,dynamic cell formation problems(CFPs)and cell layout problems(CLPs)were simultaneously optimized.First,CFPs and CLPs were formally described.Due to the changes of ...To decrease the impact of shorter product life cycles,dynamic cell formation problems(CFPs)and cell layout problems(CLPs)were simultaneously optimized.First,CFPs and CLPs were formally described.Due to the changes of product demands and the lim it of machine capacity,the existing layout needed to be rearranged to a high degree.Secondly,a mathematical model was established for the objective function of minimizing the total costs.Thirdly,a novel dynamic multi-swarm particle swarm optimization(DMS-PSO)algorithm based on the communication learning strategy(CLS)was developed.Toavoid falling into local optimum and slow convergence,each swarm shared their optimal locations before regrouping.Finally,simulation experiments were conducted under different conditions.Numerical results indicate that the proposed algorithm has better stability and it converges faster than other existing algorithms.展开更多
本文介绍了基于网络在线的智能计算机辅助学与教系统OL-NBICALIS(online Network Based Intelligence Computer Assisted Learning and Instruction system)。对系统的设计指导思想、结构、功能进行了初步的说明。希望能对未来的学习...本文介绍了基于网络在线的智能计算机辅助学与教系统OL-NBICALIS(online Network Based Intelligence Computer Assisted Learning and Instruction system)。对系统的设计指导思想、结构、功能进行了初步的说明。希望能对未来的学习环境及计算机辅助教学环境有所帮助。展开更多
基金The National Natural Science Foundation of China(No.71471135)
文摘To decrease the impact of shorter product life cycles,dynamic cell formation problems(CFPs)and cell layout problems(CLPs)were simultaneously optimized.First,CFPs and CLPs were formally described.Due to the changes of product demands and the lim it of machine capacity,the existing layout needed to be rearranged to a high degree.Secondly,a mathematical model was established for the objective function of minimizing the total costs.Thirdly,a novel dynamic multi-swarm particle swarm optimization(DMS-PSO)algorithm based on the communication learning strategy(CLS)was developed.Toavoid falling into local optimum and slow convergence,each swarm shared their optimal locations before regrouping.Finally,simulation experiments were conducted under different conditions.Numerical results indicate that the proposed algorithm has better stability and it converges faster than other existing algorithms.
文摘本文介绍了基于网络在线的智能计算机辅助学与教系统OL-NBICALIS(online Network Based Intelligence Computer Assisted Learning and Instruction system)。对系统的设计指导思想、结构、功能进行了初步的说明。希望能对未来的学习环境及计算机辅助教学环境有所帮助。