查询词典 integer optimization

Based on the analysis of the problems existing in current boiler combustion optimization method in thermal power plants,a boiler operation optimization management system is developed based on artificial neural networkand genetic algorithm.

摘 要：通过分析目前火力发电厂锅炉燃烧优化调整方法所存在的问题，研究和开发出基于人工神经网络和遗传算法的锅炉运行优化管理系统。

Firstly, the paper refers to commodity marketing mode that is agency method step by step. On the basis of the idea of marketing mode, the whole Grid environment is carefully divided into many domains, including intra-area and inter-area; Secondly, combining with characteristics of virtual supermarket management model and mechanism, we give out a multi-Agent layered grid resource management model; Then, every functional Agent is described and designed referring to the theory of category optimization and shelf optimization in supermarket; Finally, a simulative experimentation based on GridSim, Which is a good simulation toolkit for grid resource scheduling, has been done to verify the efficiency.

首先，根据商品在市场的销售模式采用分级代理方式，对整个网格环境进行区域划分，分为区域内和区域间的具体结构；其次，结合虚拟超市模型的经营模式和管理机制的特点，给出了一个多Agent层次化网格资源管理模型；然后，借鉴超市中品类优化和货架位优化的理论对各功能Agem进行描述和设计；最后利用网格资源调度模拟软件GridSim对该资源管理模型中提出的网格资源调度方法进行模拟。

Quasi-convex relaxation algorithm, which aims to solve ordinary constraint global optimization problems, is produced by a combination of branch-and-bound method with quasi-convex lower bound and quasi-concave upper bound functions developed from quasi convex-concave extension. This algorithm extends the interval algorithm with box constraint to general constraint global optimization problem.

利用拟凸-凹扩张中构造出的函数的拟凸下界函数和拟凹上界函数，与分枝定界方法相结合，建立了求一般约束全局优化问题的拟凸松弛算法，这一算法是将盒子约束的区间算法推广到一般约束优化问题中。

The adaptability of arch dam to geology is more and more high, when the influence of complicated geology is considered, and the widespread used modern calculating methods in engineering, such as the finite element method, is considered during optimization design, the new challenge to old optimization design system of crown cantilever analysis is the full-automatic calculation problem of the different condition, different arch dam parameter, the possibility and the efficiency which were caused by the increments of calculation time.

高拱坝设计对地质条件的适应性要求越来越高，优化设计时要考虑到复杂地质条件的影响，最好采用已被工程界普遍接受的有限单元法等现代计算方法，这对以拱梁分载法为主的拱坝优化设计体系提出了新的挑战，除了需要解决不同条件、不同拱坝参数的全自动计算问题，还要解决由于结构计算时间增加所带来的优化计算的可行性和效率问题。

the effect of inertia weight on particle swarm optimization is studied,on basis of which adopts four kinds of strategies of inertia weight to regulate the speed of a new quantum delta potential well based particle swarm optimization.a faster and more stabile algorithm,found by comparing the performances of four equations regulated the inertia weight,solves 0/1 knapsack problem.the result of experiment shows that the modified algorithm improves the precision of optimal solution and has a faster speed and a higher efficiency in convergence.in a word,choosing a parameter of inertia weight suitably can improve the performance of new qdpso.

摘 要：在研究惯性权重对基本pso算法影响的基础上，根据惯性权重对粒子群算法影响的特点，采用4种惯性权重策略对一种新的具有量子行为的粒子群算法的速度进行调节，比较每种算法的性能，从中找到一种新的性能更好的改进算法，将其用于求解0-1背包问题。实验结果表明较好地选择惯性权重参数对算法的性能有很大提高，该改进算法在求解0-1背包问题中具有高效性，提高了最优解的精度，同时具有较快的收敛速度。

So the model is improved after the optimization which is based on the optimization and design module of ADAMS, and then the the rising-up simulate curve of the dry dock gate is close in upon rising-up experimental curve .

应用ADAMS软件建立了干船坞坞门的参数化仿真模型，并利用该模型对坞门的运动学和动力学进行了仿真，在此基础上应用ADAMS优化分析模块优化了固定浮舱容积和操作浮舱容积等参数，改进了原有模型，使其仿真曲线更接近实验曲线。

The method of moving asymptotes with trust region technique is a kind of new optimization method which is proposed especially for solving structure optimization problems in engineering.

移动渐近线(moving asymptotes，以下简称MA)模型信赖域方法，是一类最新提出的优化方法，主要用于解工程上经常出现的结构优化问题。

A sensitivity analysis of adjoint method is presented to analyze the topology optimization problems. Meanwhile, the globally convergent version of the method of moving asymptotes is used in the optimization algorithm.

提出了适用于微型柔性机构多目标拓扑优化设计的伴随矩阵敏度分析方法，并将广义收敛移动渐进算法用于多目标多约束微型柔性机构拓扑优化问题的求解。

The character of this new method is that the mechanism of the GA is not changed but the search space and the coefficient of the adjustment of th e optimization parameter are reduced continually, which leads to generation evolution to the next generation in order to produce better optimization indivi duals so as to improve the performance of the GA and get over the disadvantage o f the GA.

提出一种新的混合算法--变尺度混沌遗传算法，该算法把遗传算法和混沌算法混合在一起，在不改变GA搜索机制的同时，根据搜索进程，不断缩小优化变量的搜索空间及调节系数，引导种群进行新一轮进化，从而产生更优的最优个体，改善了GA的性能，有效地克服了GA存在的问题。

Recently, topology optimization is the most challenging and hot, as well as difficult research topic in structure optimization.

拓扑优化是近年来结构优化研究领域中的前沿课题和热点问题，也是结构优化中的重点和难点。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。