Abstract : in this paper , we present a fuzzy approach fo r the unclear boundary constrained multiobjective optimization function in ac ma g netic according dynamic targets . using membership function and a certain membersh ip value to fuzzificate and defuzzificate the constriction 文摘:对交流电磁铁动态优化设计过程中的非明确约束条件范围做了一定的探讨,阐述了应用隶属函数和模糊截集的概念建立明确约束条件的思想。
Abstract : introduces the ideas of supply chain management into enterprise resource planning ( erp ) systems , then integrates the cross divisional planning and optimization function of scm and the strong transactional capability of erp systems 文摘:通过对企业管理模式的探讨,在企业资源规划系统的基础上引入了供应链管理的思想,既强调了企业资源规划系统强大的事务处理能力,又重视供应链管理的复杂业务计划和整体优化功能。
For the optimization function of hrsg , the cool costs is considered as the objective function and the variables are the number of row , the number of tube per row , the horizontal distance and vertical distance between tubes of the evaporator and the economizer 建立了以bchp系统的冷量成本为目标函数,以余热锅炉排烟温度、蒸发器和省煤器中螺旋翅片管管排数、每排管数、管束横向节距和管束纵向节距为决策变量的余热锅炉优化模型。
Thus , to build up an appropriate capital structure becomes the base of the enterprise financing decision , and the capital market ' s regulation on corporate financing behavior is reflected on the optimization function of capital market to corporate capital structure 也就是说,企业理性的融资行为是如何合理地安排债务融资和股权融资的比例关系,以实现企业价值最大化,资本市场对企业融资行为的规范也就体现在资本市场优化企业资本结构的问题上。
Unlike the one against one and the one against rest methods brought forward by other researches , we solved the multi - classification with two different approaches , one is constructing a uniform optimization function , the other is utilizing decision tree to combine the binary classifiers 本文从两个角度对各个分类器的综合进行优化:其一是建立全局目标函数,将所有的分类目标函数综合起来;其二是利用决策树的方法,将分类器分布在各个节点上。
In this thesis , we make an assessment and prediction of the performance of the structure with reference to the two theories of time - variably reliability and condition states and achieve favorable results , in the meanwhile , we established the relationship between condition states and maintenance cost , to optimize bridge life circle maintenance and set up objective optimization function and bridge maintenance safety provisions so as to meet the requirement of a reliable life circle structure and guarantee the least cost of maintenance for the bridge structure in its life circle 文章利用时变可靠度的理论和条件等级思想的两种理论对结构的性能进行评估和预测,并且收到较好的效果。同时,确定了结构条件等级同维护成本之间的关系。将桥梁寿命周期维护进行最优化决策,根据目标优化函数和桥梁维护安排准则:满足寿命周期内结构可靠性的要求,同时保证桥梁结构在其寿命周期内其维护成本最小。
( 2 ) to adapt the requirement of dw individuation and respond to the need of dw change , based on the optimization function of the current dw production , paper brings forward dw integration optimize - path searching algorithm and the dw integration scheme self - optimize algorithm , and studies and realizes the dw integration optimization ( 2 )为适应数据仓库的个性化要求,响应用户对数据仓库的需求,本文基于现有产品的数据仓库优化功能,提出了数据仓库聚集方案最优寻径算法,与数据仓库聚集方案自身优化算法,研究并实现了数据仓库聚集优化。
In chapter two of the first part , we give the new axisymmetric hybrid stress optimization function using the wu - pian - huang optimization theory , modify the former function published by t . h . h . pian , wu changchun etc . through the numerical example it ' s easy to get the conclusion that the new axisymmetric hybrid stress finite element we present in this paper has better precision in the results of displacement and stress Pian等于1987年提出轴对称杂交应力元的优化列式( opc ) ,本文对该优化方法重新进行了推导,对原轴对称问题的杂交应力元列式进行了修正,得到了一个新的轴对称杂交应力单元,通过算例可以看出,同原文相比,该单元的位移和应力的精确度都有了改善。
4 by studying mechanical optimization method , combining theory of metal cutting processing , summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition . adopt one of optimization methods - compound shape method - to calculate cutting parameter ' s optimization result 4运用机械最优化方法,结合金属切削加工理论,推导了以切削参数为优四川大学硕i学位论文化目标的优化目标函数并确定了相应优化约束条件,采用优化方法中的复合形法实现了切削参数的最优化设计。
The results of simulation show that the hierarchical optimization functions have stronger deceptive so that the algorithms be pendulous among local optimizations . however the evolutionary mechanism based - on graph models being discussed displays its favorable characteristic of intelligent optimizing , such as to overcome deceptive and explore inherent laws on search space . ( 5 ) a method for designing a model framework of situation awareness for ucays based on object - oriented bayesian networks is presented 仿真结果表明,本文所研究的层次化函数确实具有迷惑性,引导算法在峰值之间飘忽不定,但即使如此,本文提出的基于图形模型的智能优化机制依然表现出具有克服问题欺骗性,可探索问题内在规律和智能寻优的良好特性。