针对教与学优化算法容易陷入早熟收敛的问题,本研究提出了一种基于混沌搜索和权重学习的教与学优化(teaching-learning-based optimization algorithm based on chaotic search and weighted learning,TLBO-CSWL)算法。在TLBO-CSWL算法...针对教与学优化算法容易陷入早熟收敛的问题,本研究提出了一种基于混沌搜索和权重学习的教与学优化(teaching-learning-based optimization algorithm based on chaotic search and weighted learning,TLBO-CSWL)算法。在TLBO-CSWL算法的教学阶段,不仅利用权重学习得到的个体来指引种群的进化,而且还使用正态分布随机数来替代原有的均匀随机数。另外,TLBO-CSWL还使用Logistics混沌搜索策略来提高其全局搜索能力。仿真结果表明,TLBO-CSWL的整体优化性能要好于其他所比较的算法。最后,将TLBO-CSWL用于求解非合作博弈纳什均衡问题,获得满意的结果。展开更多
Cooperative jamming weapon-target assignment （CJWTA） problem is a key issue in electronic countermeasures （ECM）. Some symbols which relevant to the CJWTA are defined firstly. Then, a formulation of jamming fitness...Cooperative jamming weapon-target assignment （CJWTA） problem is a key issue in electronic countermeasures （ECM）. Some symbols which relevant to the CJWTA are defined firstly. Then, a formulation of jamming fitness is presented. Final y, a model of the CJWTA problem is constructed. In order to solve the CJWTA problem efficiently, a self-adaptive learning based discrete differential evolution （SLDDE） algorithm is proposed by introduc-ing a self-adaptive learning mechanism into the traditional discrete differential evolution algorithm. The SLDDE algorithm steers four candidate solution generation strategies simultaneously in the framework of the self-adaptive learning mechanism. Computa-tional simulations are conducted on ten test instances of CJWTA problem. The experimental results demonstrate that the proposed SLDDE algorithm not only can generate better results than only one strategy based discrete differential algorithms, but also outper-forms two algorithms which are proposed recently for the weapon-target assignment problems.展开更多
文摘针对教与学优化算法容易陷入早熟收敛的问题,本研究提出了一种基于混沌搜索和权重学习的教与学优化(teaching-learning-based optimization algorithm based on chaotic search and weighted learning,TLBO-CSWL)算法。在TLBO-CSWL算法的教学阶段,不仅利用权重学习得到的个体来指引种群的进化,而且还使用正态分布随机数来替代原有的均匀随机数。另外,TLBO-CSWL还使用Logistics混沌搜索策略来提高其全局搜索能力。仿真结果表明,TLBO-CSWL的整体优化性能要好于其他所比较的算法。最后,将TLBO-CSWL用于求解非合作博弈纳什均衡问题,获得满意的结果。
基金supported by the Fundamental Research Funds for the Central Universities(NZ2013306)the Funding of Jiangsu Innovation Program for Graduate Education(CXLX11 0203)
文摘Cooperative jamming weapon-target assignment （CJWTA） problem is a key issue in electronic countermeasures （ECM）. Some symbols which relevant to the CJWTA are defined firstly. Then, a formulation of jamming fitness is presented. Final y, a model of the CJWTA problem is constructed. In order to solve the CJWTA problem efficiently, a self-adaptive learning based discrete differential evolution （SLDDE） algorithm is proposed by introduc-ing a self-adaptive learning mechanism into the traditional discrete differential evolution algorithm. The SLDDE algorithm steers four candidate solution generation strategies simultaneously in the framework of the self-adaptive learning mechanism. Computa-tional simulations are conducted on ten test instances of CJWTA problem. The experimental results demonstrate that the proposed SLDDE algorithm not only can generate better results than only one strategy based discrete differential algorithms, but also outper-forms two algorithms which are proposed recently for the weapon-target assignment problems.
