查询词典 combinatorial optimization problem

And then, after establishing the optimization model in accordance with the principle of optimal design of shape formulas, we could obtain the numerical optimization aerofoil on the basis of NACA0018 master pattern solved by the Fluent console, and discuss the reasons of improvement of power coefficient.

然后按照形函数的优化设计原理，建立了优化模型，用Fluent平台求解，在NACA0018母型基础上得到数值优化翼型，并探讨了能量利用率提高的原因。

Linear constraint particle swarm optimization algorithm is a global optimization dealing with constraints of non-negative and affine real space.

粒子群算法虽有全局优化性能，但也会陷于局部极小，且缺少约束处理机制。

Aiming at the strong coupling characteristic during the multi-disciplinary optimization process of hypersonic aerocraft, in order to reduce computing time and increase the feasibility of optimization process, this paper adopted the approximate method to build the responding model between disciplines, In this paper, under the condition of ensuring the engine stable and high efficient , the designing work also consider the whole aerocraft performance sufficiently from the effect of forebody and afterbody.

针对高超音速飞行器多学科设计优化过程中的强耦合特性，为了减少计算时间，提高优化过程的可行性，采用近似的方法来建立学科之间的响应模型，以此来减少每次迭代时所用的大量计算时间。

In the method, a optimization model of a ventilating network is put forward by taking the minimizing squared sum of algebraic sum of the ventilation pressure of all branches in a independent circuit about all independent circuits as object function, therefore a new algorithm of ventilation network optimization is obtained.

该方法通过使所有独立回路分支风压代数和的平方和最小化的方法，建立了通风网络解算优化模型，并用梯度法对该模型进行解算，获得了一种新的风网解算算法。

In the method, a optimization model of a ventilating network is put forward by taking the minimizing squared sum of algebraic sum of the ventilation pressure of all branches in a independent circuit shoot all independent circuits as object function, therefore a new algorithm of ventilation network optimization is obtained.

该方法通过使所有独立回路分支风压代数和的平方和最小化的方法，建立了通风网络解算优化模型，并用梯度法对该模型进行解算，获得了一种新的风网解算算法。

Permanent magnet synchronous motors ; alnico ; airgap flux density ; multi-objective optimization ; response surface model ; particle swarm optimization

永磁同步电动机；磁钢；气隙磁密；多目标优化；表面响应模型；微粒群优化算法

Optimization technology is a technology based on mathematics and applied to all kinds of optimization solution to engineering problems.

优化技术是一种以数学为基础，用于求解各种工程问题优化解的应用技术。

In this work, an approximate optimization method based on the Kriging model was proposed to do warpage optimization.

注塑制品的翘曲变形是一种严重的缺陷；本文提出一个最小化制品翘曲变形的近似优化方法。

Experiment results and relative data supports that lowpass filter designed by such method can reach the optimization objectives under various constraints. This method could be applied to analogous engineering optimization problems.

实验结果和相关数据表明所设计的低通滤波器达到了带约束条件的多目标优化目的，且该方法也可用于类似的工程优化设计。

This paper presents a new multi-objective optimization algorithm and a multi-objective optimization group and block bidding model for power market, which comprehensively takes hydrothermal scheduling, energy, environment and economy into consideration.

该文提出了一种解决多目标优化问题的新方法和一个综合考虑水火协调及能源、环境和经济等多目标优化的分组分段电力市场竞标新模型。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。