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Based on the considering of fuzzy and random quality of each design parameter of single layer latticed domes,a new multi-objection optimization model is established.

本文在充分考虑了单层网壳优化设计参数的模糊性的基础上,建立了模糊优化设计的数学模型。

A method is put forward to find the better ε of the ε-non-sensitive loss function based on the particle swarm optimization. The simulation result shows the regression support vector machines take far fewer times than using the way of latticework searching to get the desired result the efficience is improved greatly and optimal ε is obtained.

本文给出了一种基于粒子群优化算法的、对ε不敏感损失函数的ε参数寻优的方法,仿真结果表明:采用基于粒子群优化算法的寻优方法寻找ε参数,需要重复训练回归支持向量机模型的次数明显小于格点搜索方法,节省了大量的时间并且能找到较优的ε值。

The results show that there are optimal damping coefficient leading to the minimum response of the primary core-tube, and that the dynamic response is not sensitive to the lesser damper stiffness, and that the optimal value affected by inter-story drift ratio of the suspended floors as constraint condition and setting reasonable structural parameters could meet the optimization objectives and the inter-story drift ratio limit of the suspended floors.

结果表明:存在最优阻尼器的阻尼系数,使得主体核筒的响应最小;当阻尼器的刚度较小时,可以忽略其对结构动力响应的影响;悬挂楼面的层间位移角作为约束条件,影响结构参数的优化值;通过设置合理的参数才能够同时满足优化目标和悬挂楼面的层间位移角限值。

For this purpose, the compactly supported radial basis function and the moving least squares approximation based ones are integrated into the aforementioned two global optimizers. As a result, two novel hybrid algorithms are introduced.

其次,为解决电磁场逆问题分析、计算中由于随机类优化算法需进行数以千计次电磁场的数值分析,以致计算时间和计算量难以满足工程分析实际要求的难题,本文将表面响应模型法引入电磁场逆问题的求解,研究了基于紧支径向基函数和基于移动最小二乘法的两种表面响应模型,并将其分别与改进的遗传算法和粒子群算法相结合,提出两种不同的混合快速全局优化算法。

And very ideal results have been obtained. Based the center platform, Multi-object fuzzy optimization is used to appraise platforms lectotype.

论文建立了基于结构性因素的海洋平台多目标模糊选型优化规划方法,对一现役平台的结构选型进行了模糊优化,算例显示了这一方法的具有很强的实用性。

Simulations are carried out upon square-aperture beam using Legendre polynomial. Conjugate gradient method is used and optimization is performed for several steps to reduce executing time.

针对方光束口径,利用 Legendre 多项式模拟光束波前分布,利用共轭梯度算法对多项式系数进行了优化计算;优化过程分为几步进行以减少计算时间。

Based on the full three-dimensional numerical simulation for the centrifugal pump, an optimal mathematical model of blade curve is set up. In this model, the object function is the minimum length of the blade curve; the constraint condition is no recirculation atr=0.5. This model makes the design of optimum blade curve efficient.

在对离心泵内部流场进行全三维数值模拟的基础上,建立了叶片型线优化设计的数学模型以叶片长度最短为目标函数,叶轮相对半径,r=0.5处无回流为约束条件,讨论了该模型优化计算的方法。

The simulation result shows the collection efficiency of TIR lens model is 67% when the angle of light is confined within 15°. And the uniformity on observation screen is improved in some degree. The optimal design of TIR lens further provides the development space of LED micro-projection display system.4 On the base of the theory research and the model simulation, four projection display systems which have LCOS as micro-display panel and which combine different optical devise for UHP and LED light source respectively are proposed in this dissertation. And the quality of projection display system is evaluated by thesimulation outcome.

模拟结果表明,优化后的TIR透镜可实现将LED大角度扩展光束中67%的光能压缩到15°范围以内,并使目标屏的照明均匀性得到一定的改善,这为LED光源微投影显示系统设计提供了新的发展空间。4在以上理论研究和模拟分析的基础上,将优化和改造得到的照明光学元件应用到微投影显示的照明系统设计中,分别采用UHP和LED光源,设计了四套单片式LCOS微投影显示系统模型,通过光线追迹模拟结果,对系统性能进行了评价分析和对比。

Finally, this paper applies the hybridization algorithm of lexicographic approaches with ant colony algorithm to optimize the finger seal and some optimized results have been got.

最后,本文采用了宽容分层法与单目标蚁群算法相结合的混合优化算法对指尖密封进行优化,得到了较为理想的结果。

This paper presents an efficient optimization algorithm and complicated code for Airciraft Landing Scheduling Problem,Based on Depth-first-search implicit emumeration algorithm,subject to MPS limiting,position lock limiting and optimization depth limiting.

以深度优先搜索的隐枚举算法为基础,结合 MPS约束、位置冻结限制、优化深度限制,使用复杂的软件编码实现了特定于飞机着陆调度问题的优化排序算法。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。