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针对基本混合蛙跳算法的收敛速度慢、容易陷入局部最优的缺点,提出了一种基于细胞通信策略的改进算法,该算法通过修改更新策略,从而增加了种群的多样性,产生更多靠近优质解的个体。用典型测试函数对基本蛙跳算法和改进的蛙跳算法及其他算法进行对比实验,仿真结果表明改进的蛙跳算法能较大幅度提高收敛精度。将改进的蛙跳算法应用于碳纤维生产过程水浴牵伸控制系统的优化,仿真结果表明其具有较好的优化控制效果。 相似文献
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丁永生 《中国新技术新产品精选》2009,(23):153-153
变压器是工厂电力系统中十分重要的供电设备,它的故障将对供电可靠性和系统的正常运行带来严重的影响。电力系统是由发电、变电、输电、配电和用电等5个环节组成的。在电力系统中,各种类型的、大量的电气设备通过电气线路紧密地联结在一起。本文介绍了10kV供电系统中变压器常见故障,提出了具体的继电保护措施,供大家参考。 相似文献
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In order to achieve an intelligent and automated self-management network,dynamic policy configuration and selection are needed.A certain policy only suits to a certain network environment.If the network environment changes,the certain policy does not suit any more.Thereby,the policy-based management should also have similar natural selection process.Useful policy will be retained,and policies which have lost their effectiveness are eliminated.A policy optimization method based on evolutionary learning was p... 相似文献
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地方高校研究机构绩效评估指标权重的AHP算法 总被引:3,自引:0,他引:3
丁永生 《宁夏大学学报(自然科学版)》2001,22(4):393-395,405
根据地方高校研究机构的科研特点,探讨了运用AHP理论确定高校研究机构绩效评估指标权重的方法。 相似文献
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Membrane proteins are embedded in the lipid bilayer,which creates a suitable environment for their actions. It is important to decide which tpye it belongs to because it is closely relevant to its biological fumction and its interaction process with other molecules in a biological system. Membrane proteins have different types. The function of a membrane protein is closely correlated with the type it belongs to. In this study, on the basis of the concept of pseudo amino acid (PseAA) composition originally introduced by Chou, the value of approximate entropy (ApEn) of the query membrane protein was used to integrate the complementary information. By fusing fifteen powerful individual fuzzy K-nearest neighbor (FKNN) classifiers, an ensemble classifier was presented.Each basic classifier was trained in PseAA composition of membrane protein sequences with different parameters. The results of experiments demonstrate it is efficient for the structural prediction of membrane proteins. 相似文献
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A novel intelligent adaptive fuzzy PHD controller based on multimodel control approach is presented in this paper.It can improve the system performance of the dynamic time- varying system at various operating conditions.The fuzzy PHD controller is implemented by combining a fuzzy PI with a fuzzy PD controller in a parallel structure. The parameters of the fuzzy PHD controller are linked, via analytical derivation, to the gains of the linear PID controller. The sum of error square is used as performance criterion to locate the model that best reresents the process among the multiple models, The desired control output to drive the process along the desired path is generated only by modifying the output scale factots GU_I and GU_D of the fuzzy PID controller, Among the prescribed models, the control signal of the nearestmmodel to the system is applied. The system can be driven to its original trajectory because of the robustness of the fuzzy PID controller, Computer simulation results show that the adaptiv 相似文献
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针对服装网络营销过程中合体性评价个性化服务缺乏的问题,基于层次分析法(AHP)、模糊集合理论和人工心理理论提出了服装合体性智能评价模型,并阐述了模型各部分实现过程.同时,提出了基于多Agent技术的服装合体性智能评价系统实现框架,详细叙述了系统中各Agent的角色职能以及系统操作流程.该系统能较好地改善在线服装购物环境和为顾客提供实用的购物决策参考,具有一定的通用性和广泛的应用前景. 相似文献
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