查询词典 integer linear optimization

Fuzzy optimization design of worm gear in new type valve actuator;2. Fuzzy optimization method was applied to design the worm gear in valve actuator.

将模糊优化设计方法应用于电动装置的蜗杆传动设计，建立了模糊优化数学模型，并对其求解方法进行了详细的说明，通过实例表明模糊优化设计可以使蜗杆传动更加符合客观实际，从而进一步减小电动装置的体积，提高电动装置的效率。

The procedure is applied in two projects:(1) Shanghai Huanqiu finance center tower foundation pit dewatering, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 149m, the horizontal flow barrier goes deep to 34m, the extraction wells are penetrated to 55m, the filters of the extraction wells are located between 34m to 55m, and the water level in the deep foundation pit is decreased to 26m under land surface, the result of 8 pumping wells optimization project is designed.(2) The forth subway of Dong Jia-du tunnel repair foundation pit dewatering in Shanghai, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 144.45m, the horizontal flow barrier goes deep to 65m, the extraction wells are penetrated to 60m, the filters of the extraction wells are located between 45m to 60m, and the water level in the deep foundation pit is decreased to 42.45m under land surface, then an optimization project is designed.

最后将成果分别应用于两个工程实例中：(1)上海环球金融中心塔楼基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达149m、基坑周围挡水连续墙埋深达34m、抽水井埋深达55m、抽水井过滤器埋深为34至55m，基坑内地下水位降至埋深达26m的情况下的地下水复杂流动状态，得出了8口抽水井优化降水方案；(2)上海地铁4号线董家渡隧道修复基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达144.45m、基坑周围挡水连续墙埋深达65m、抽水井埋深达60m、抽水井过滤器埋深为45至60m，基坑内地下水位降至埋深达42.45m的情况下的地下水复杂流动状态，确定出了最优降水方案。

Based on maximum entropy two-stage optimization design theory, maximum entropy two-stage optimization design system including truss, beam, frame structures is founded in this thesis.

本文从两相优化的理论出发，研究了基于最大熵准则的桁架、梁和框架结构最小材耗问题，系统地建立了包括桁架、梁、框架结构在内的各主要土木建筑基于最大熵的结构两相优化设计理论构架体系。

With simple coordination relations method, multi-objectives optimization design of V-belt transmission wheel series was transmitted to a single-objective optimization design.

用简便的协调关系法将V带传动轮系的多目标优化设计问题转换成一个单目标优化设计问题。

An optimization design example of sleeve roller chain transmission was given ,and it show that the optimization result accords with practical production.

开发了混合离散变量优化的改进遗传算法程序，给出了套筒滚子链传动的混合离散变量优化设计的实例，所得优化参数符合实际生产的要求。

The application of genetic algorithm in optimization design of structures with discrete variables is presented with an example of optimization design for three-bar hyper static truss structures with discrete variables.

以三杆桁架结构优化设计演示了遗传算法在离散变量优化设计中的应用。

The optimization results are validated through the model towing tests carried out in ship model towing tank of Shanghai Jiao Tong University. It demonstrates the feasibility and effectiveness of the presented"Automatic Optimization"platform

经过模型拖曳试验结果验证，证明了该种&自动优化&方法的可行性与有效性，为今后的船舶线型&自动优化&平台建设打下了基础。

It can predict the yields of FCC accurately according to the operating condition. When it is applied in simulation and optimization of practical unit, adjusting of the model can be done automatically and continually according to the practical data of unit. Accordingly, it can dynamically tail after the practical unit, and realize the real-time optimization of unit preferably.

利用它不仅能够根据反应条件较准确地预测产品的产率；当其用于装置的模拟优化控制中时，还可以不断地根据装置的实际数据对模型进行校正，从而动态地跟踪模拟实际装置，较好地实现装置的实时优化控制。

Finite Element Shape Optimization of a Steering Knuckle For a Heavy Truck-A Case Study ABSTRACT A case study of the application of shape optimization techniques to reduce the weight of a steering knuckle of a heavy truck suspension has been presented.

转向关节的有限元素形状优化为一个重的卡车专题研究摘要提出了形状减少重型卡车悬浮的转向关节的重量的优化技术的应用的专题研究。

Firstly, this paper discusses the development actuality of the research on double-front axle steering system and power-train of automobile. Based on the structure of the design experiences from others, the kinematics formula of double-front axle steering system is fetched, and the mathematical model of optimization design of double rocking arms mechanism and steering trapezium mechanism is established by space geometry method. Considering the difference between the real steering angle from wheels and the ideal steering angle from the ideal formula as the objective function, the optimization design method of double-front axle steering system is presented.

本文首先论述了国内外对汽车双前桥转向系统和动力传动系统研究的发展状况，在总结前人研究设计经验的基础上推导出汽车双前桥转向系统运动学关系，运用空间几何法建立了双前桥双摇臂机构及转向梯形机构优化的数学模型，以转向轮实际转角值与理想公式求出的理想转角值之间的误差达到最小为目标函数，提出了双前桥转向系统参数的优化设计方法。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。