查询词典 constrained optimization

Since nonlinear problems more accurately describes the phenomena of the nature,thus thispaper considers nonlinear optimization problems and two important classes of nonlinear evolu-tion equations,and neural networks for nonlinear optimization problems is stressfully studied.

由于非线性问题更准确地描述了客观现象，因此本文考虑了非线性优化问题和两类重要的非线性发展方程，突出地研究了非线性优化问题的神经网络。

Tabu search algorithm is a meta-heuristic global optimization algorithm, which has been successfully applied to a variety of combination optimization problems.

禁忌搜索算法是一种元启发式的全局优化算法，是局部搜索算法的一种推广，已被成功地应用于许多组合优化问题中。

TECO is a practical theory for radial tire structure which is based on the safety design calculation, the optimization of important parameters and the optimization of profile design.

摘 要：TECO是针对子午胎结构设计中的安全设计基础计算、重要参数优化和轮廓设计优化研究发展起来的子午胎实用设计理论。

In this paper, aerodynamic optimization design of transonic wing is carried out by combination of optimization method with aerodynamic analysis of wing.

把最优化方法与机翼的气动力求解相结合，进行跨音速机翼的气动优化设计。

To eliminate abnormity wear of tires in double-front-axle system of heavy truck, the kinematics and dynamics analysis method is set forth. On the base of the results for heavy double-front-axle truck load distributing and manipulate stability, tire uniformity load condition and deficiency steering characteristic condition of heavy double-front-axle truck are put forward. Steering trapezia space movement formula, double-swing-arm space movement formula and double-swing-arm movement formula in actual status of heavy double-front-axle truck are fetched. Optimization models of steering trapezia and double-swing-arm are founded and optimization arithmetics of transmission system in double-front-axle steering are compiled.

本文以消除重型汽车双前桥转向系统轮胎异常磨损等为目的，阐述了双前桥转向系统的运动学、动力学分析方法；在分析了双前桥重型汽车载荷分布和操纵稳定性的基础上，提出了双前桥重型汽车轮胎均载应该满足的条件、双前桥重型汽车具备不足转向特性应该满足的条件；推导了双前桥转向梯形空间运动关系式、双摇臂机构空间运动关系式和双前桥汽车实际工况下的运动关系式，建立了转向梯形和双摇臂机构优化设计模型，编制了双前桥转向传动系统优化算法。

Aerodynamic optimization technology for compressor design plays an important role in the development of high performance axial flow compressor, multiobjective genetic algorithm are currently being widely used in turbomachine optimization design.

近年来，多目标遗传算法在叶轮机械优化设计中得到了广泛的应用。

While approximation model is very close to actual model,and the precision of approximation is very high,the result of optimization is significant,and authentic;contrarily,the result of optimization is insignificant,and unauthentic.

近似模型和真实模型相差不大，近似的精度很高，优化出的结果就是有意义的，可信的；反之，优化出的结果就是没有意义的，不可信的。

To enhance the monitor efficiency of optimization process, an efficient sensitivity analysis method based on the idea of orthogonal experiment is advanced, which is unlimited to specific algorithm and can be commonly used to discrete, underivable or implicit optimization problems.

在改进寻优算法方面，研究了基于Lagrange函数的适合于求解一般约束问题的神经网络模型算法，探讨了神经元非线性度和拉氏乘子等对优化效率的影响，提出了提高网络优化效率的控制策略。

Based on the evaluation of rock mechanics properties of undrilling formation, a fuzzy optimization model for selecting the best similar layers with the same rock mechanics properties was established by applying theory of fuzzy optimization. Firstly the best similar layer located the undrilled area was chosen by the model. Secondly the performance of the bit used in the selected layer was evaluated by economic benefit index.

该方法在待钻地层岩石力学性质评价的基础上，首先应用模糊优选理论建立了地层岩石力学性质相似层位的模糊优选模型，用其进行相似层位的优选，然后应用经济效益指数法对相似层位的钻头性能进行评价，最后给出合理的钻头选型结果。

In this paper, based on the research about main technological parameters in abrading, the optimization in theory and the optimization in orthogonal experiments are done in order to achieve maximum productivity, and results with a certain reference value are obtained.

本文在对研磨加工主要工艺参数研究的基础上，以最大生产率为目标，对工艺参数进行了理论优化和正交实验优化，获得了具有一定参考价值的结果。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。