查询词典 constrained optimization

The method uses maximum between-class variance technique,by the optimization of the niching particle swarm optimization object function,the optimal thresholds can be gotten,and the image by use of the thresholds can be segmented.

该方法基于最大类间方差阈值分割技术，用小生境粒子群算法对适应度函数进行优化，得到最佳阈值，并用该阈值对图像进行分割。

It applies the improved multi-step optimization algorithm in allocation optimization of sectionalizing switch to achieve the optimum beneficial result based on investment,maintenance and reliability costs.

使开关配置在综合考虑设备投资、运行维护费用及系统可靠性基础上得到最佳的综合效益。

Based on which Professor Chen Shouyu subdivides membership into the absolute one and the relative one, and proposes a fuzzy optimization model as well as the theory and method of fuzzy optimization dynamic programming.

基于模糊数学，陈守煜教授将隶属度细分为绝对隶属度和相对隶属度，提出了多目标系统的模糊优选模型和多目标系统的模糊优选动态规划理论与方法。

Under the condition of the following- factors concerning the optimization models:the investment cost, operating cost, unfair cost, payment evade cost, drivers" extra cost and environmental pollution cost.this paper raises the optimized models of multi-modes payment of teH collection system and its algorithm is proposed by SAGA -hybrid optimization strategy, which can simultaneously optimize the following results: the optimum locations of toll stations, numbers of toll stations, the numbers of different tolling, modes" tailgates of every toll station, ETC users discount rate.and can estimate the installation rate of TAG of every toll station.the actual traffic flow capadty of different toiigate, can obtain the best toll collection system under the different simulated decision conditions.

本文充分考虑了驾驶员缴费技术选择与缴费车道选择的特性，提出了驾驶员缴费方式随机选择模型；在考虑了收费系统的投资成本、营运成本、不公平成本、漏收成本、驾驶员的额外成本和环境污染成本等因素的基础上，提出了多收费方式收费系统的优化模型，提出采用模拟退火遗传算法进行收费系统寻优的算法，可同时优化出一个收费系统的收费站位置与数量、不同收费站不同收费方式的收费车道数和ETC用户的折扣率等参数，可估算不同收费站TAG的安装率、不同收费车道实际使用量，可模拟不同决策情境下的最佳系统资源配置方案。

The scheme includes the two aspects: the study on the whole optimization and the space trusses optimization.

该方案包括整体优化策略和空间杆系结构优化设计等两个方面。

A single machine scheduling problem with batchs setup time depending on sequence is proposed. The math model to minimize setup times is upbuilt. An improved adaptive hybrid genetic algorithm is brought up for solving this scheduling problem. Several operators are redesigned according to the characteristic of this scheduling problem. Follow job optimization recombination crossover is advanced for transmitting the good character to the offspring. To improve the mountain climbing ability of the genetic algorithm, the mutation is replaced by a local optimization algorithm.

提出了一种具有序依赖setup time的单机器批量生产调度问题，以总的setup time最小为目标建立了该生产调度问题的数学模型，设计了一种改进的自适应混合遗传算法求解该生产调度问题，对遗传算法的交叉和变异算子均按照该调度问题的特点进行了改进，提出一种&紧后任务选优重组交叉算子&，该算子能将调度排序上的优良性状很好地遗传到下一代群体中。

Being aim at the optimization issue of load of antenna near ground, it combines many GA strategies and puts forward strategic meme. And it puts out co-evolution algorithm of load of antenna design. And it emulates the optimization design of load of antenna near ground. Finally, it valuates the co-evolution algorithm's efficiency on the continuum search issues of multi-variable and multi-peak value.

针对近地天线加载优化设计问题，结合多种改进GA策略，提出了策略型拟子，给出天线加载设计的共同进化算法，对有耗半空间对称偶极子天线加载优化设计作了仿真实验，验证了共同进化算法对多变量多峰连续搜索问题上的有效性。

Secondly,set up mathematical model for layout optimization and made a calculation by improved genetic algorithm to achieve COG optimization in the cross section of the aircraft,meanwhile minimized layout vessel.

首先分析了飞机总体布局方案设计阶段对重心控制的特殊要求；然后建立了布局优化的数学模型并采用改进的遗传算法进行求解，实现了飞机横截面内的重心优化，并最小化了布局空间；最后在Pro/E中建立布局仿真模型，利用搜索法实现飞机纵向重心的调节。

The theory minutely analyze trait of evolutionary programming arithmetic and state variables breakout problem in solving reactive power optimization problem, link reactive power balance theory.. reactive power bed and subarea control theory and adjusted-voltage material law of actual system. The theory first put forward a effective variability quantity modified measure, escape unfeasible problem in evolutionary programming, also make evolutionary programming arithmetic in solving reactive power optimization problem more quick and effective.

详细分析了进化规划算法的特点和在求解无功优化问题时存在的状态变量越限问题，结合无功平衡原理、无功分层分区控制原理以及实际系统中调压的具体规律，首次提出了一套有效的变异量修正措施，避免了进化规划的不可行问题，也使进化规划算法在求解无功优化问题时更加快速有效。

As to the reasonable matching between the resources needed by multi-task and M-dimensional resources offered by multiprocessing nodes, the author offered multiple dimension set partitioning optimization models, defined the function of resource balancing degree and proposed a Multiple Dimension Set Partitioning Load Balancing Resource Optimization Allocation Algorithm, which can optimize to solve the NP problems.

针对多处理群集系统中多个任务处理需要的资源和多个处理节点能够提供的m维资源间的合理匹配问题，给出了多维集合划分问题的优化模型，定义了资源均衡度函数，提出多维集合划分负载均衡资源优化分配算法，通过该算法可以得到资源匹配NP问题的较优解。

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。