查询词典 optimality criterion

The disadvantages of obtaining control in approximate ways are analyzed, and the optimality criterion based on genetic algorithm is proposed.

分析了使用近似法求解控制量的缺点，据此提出了基于遗传算法的控制量优化求解策略。

Pareto optimum is regarded as the optimality criterion on allocation of network information resources theoretically, but it is hard to perform in practice.

帕累托最优在理论上可以作为网络信息资源配置效率的衡量标准，但在实践中却难以实施。

Frame structures ; optimal design ; minimum weight ; optimality criterion method.

框架结构；优化设计；最小重量；优化准则法

The optimality criterion that the aseismic structure must satisfy as it is optimal is derived by using the Kuhn-Tucker necessary condition, and its meanings are also interpreted from the point of view of physics.

从数学规划中的Kuhn-Tucker条件出发，推导出结构抗震可靠性的优化准则，并在物理上解释了该准则的含义。

An iteration procedure for improving design variables is constructed by this optimality criterion, and a factor is also employed to control the step size in order to make the iterative process be stable.

根据导出的优化准则构造出一种修改设计变量的迭代格式，其中引入松弛因子以保证收敛过程的稳定，并在每次迭代开始前都利用射线步把设计点引至可行域的边界上。

This paper presents a novel model of short-term trade planning in a competitive electricity pool, with the settlement rules involved in the objective function. Moreover, the concept of system marginal price is improved so as to reflect the reasonable distribution of benefits between transaction centers and suppliers. And the justice criterion from the standpoint of power plants is proposed, as well as the optimality criterion from the standpoint of transaction centers.

文中结合我国的实际情况，建立了以电网为核心的买电型短期交易计划的模型，提出了兼顾电网交易中心与发电商之间利益合理分配的浮动边际电价的新概念，并从电厂的角度给出了短期交易计划的公平性准则，从电网交易中心的角度给出了最优性判定准则。

Combining the fully stressed optimality criterion with finite element analysis, the material distribution is optimized after several iterations.

采用满应力准则法，借助有限元结构分析，经过少量迭代，建立优化的材料连续分布场，即类桁架连续体结构。由于首先建立的拓扑优化结构是各向异性连续体，从而得到更大优化空间。

In the structural optimization, at First, the author analyses and contrasts characteristics and advantages of the mathematical programming method with optimality criterion method.

大型水压机横梁是关键的承载部件，一般采用薄壁箱形结构，这种大型薄壁箱形结构也广泛地应用在重型机械、造船、航空航天、核能电站、石油化工等领域。

For the dual objective we propose a multipleobjective optimality criterion ---Φ_β-optimality criterion.

针对上述考量，我们提出一个多重目的最适性准则(multiple-objective optimality criterion)，称为Φ_β-最适性准则，利用正规动差技巧，我们求出在此Φ_β-最适性准则下之最适设计的解析解。

For this dual-objective consideration, we propose a multiple-objective optimality criterion－Ψα-optimality criterion, and the correspondingΨα-optimal design is derived in terms of canonical moments.

针对上述考量，我们提出一个多重目的最适性准则(multiple-objective optimality criterion)，称为Ψα-最适性准则，并利用正规动差技巧求得在Ψα-最适性准则下之最适设计的解析解。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。