约束优化

The method generates the feasible set that satisfies the constraint condition with chaotic optimal algorithm, fines out the optimal trade-off solution from the non-inferior solution set with the favor of interactive decision-making, and furthermore, makes an actual case study on the reservoirs along the downstream of Luanhe River.

该方法利用混沌优化算法生成满足约束条件的可行集，再采用交互式决策偏好的方法从非劣解集中寻找最佳权衡解；并对滦河下游水库群进行了实例研究。

Generally, action of constraints exists in reliability optimization design 0f mechanical parts, which always makes the optimal points on the boundary of the feasible region.

在机械零件的可靠性优化设计中，普遍存在约束的作用，且最优解往往位子可行域的边界上。

Robust design objective is always structural response′s first derivative, constraint functions are nonlinear functi...

鲁棒设计目标函数为结构响应的一阶导数，约束函数也是非线性隐函数，因此是多变量的非线性优化问题。

A typical four-story frame structure is used to demonstrate the effectiveness of the optimization method.

对一典型四层框架结构进行了具有频率约束的区间优化。

The reliability based optimization issue of composite laminates under fundamental frequency constraint is studied.

本文研究了在基础频率约束下，复合材料层合结构的可靠性优化设计问题。

But in fact they are fuzzy,so the method of fuzzy set is adopted to solve the programming problem.

优化是人们的普遍思想，即在此类规划问题中，目标函数和约束条件都是明确的。

New multi—objectives function (including mill stand longitudinal stiffness, distribution coefficient of loaded pressure between rolls, weight of mill stand, rolling power, rolls loaded gap profile changeability of bending force, transverse mill stand stiffness of bending force, transverse mill stand stiffness of rolling load) multi—constraints (including rolls strength, spindle strength, backup roll bearing load, minimum rollable gauge, roll surface temperature rise) rolls system parameters optimization model of four—high cold strip mill is established, and programme for mill structural illustration creation on the platform of AutoCad designs is compiled. With this as basis, rolls system parameters of Yichang thin strip corporation's 1219 cold mill are calculated using SUMT (subsequent unconstrained minimization technology).

本文建立了以板形和板凸度控制特性为目标的四辊轧机多目标函数（包括轧机纵向刚度、辊间压力分布系数、轧机重量、功率、弯辊力对轧机辊缝形状改变能力、对弯辊力的横向刚度、对轧制力的横向刚度）、多约束条件（包括轧辊强度、接轴强度、支承辊轴承负荷、最小可轧厚度、轧辊温升等）的辊系参数优化模型，以此模型为基础，利用惩罚函数法计算了益昌薄板公司1219冷轧机辊系参数，编制了AutoCAD平台下的轧机结构示意图自动图形软件。

A method to optimize the topology of grillage structure with stress constraints is presented.

提出一种应力约束下的格栅结构的拓扑优化方法。

In this paper an interactive multiobjective fuzzy optimization design method is proposed for grillage structures.

本文给出了一个船舶板架结构交互式多目标模糊优化设计方法，主要内容包括：(1)考虑使用、设计、建造过程中的不精确因素，引进相应的隶属函数使模糊目标和约束定量化。

This problem involved many objective functions which had contradictions mutually and could not reconciled. According to different engineering requirements, the weighted and harmonic coefficient of each objective function was decided, and then it was changed to a single-objective optimization function. Engineering requirements on the system and related restrictions were given with the form of binding functions.

考虑问题所牵涉到的多个互相矛盾不可公度的目标函数，根据不同的工程要求，结合实践经验和计算经验确定各个目标函数的加权协调系数，然后将其表示为一个单目标优化函数；工程条件对系统的要求和相关限制，以约束函数的形式给出。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。