查询词典 optimization

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.

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。

The interference, which has much to do with shimmy and handling characteristic and directional stability of vehicle, between the suspended structure, the front axle and steering system is described accurately In the models, the concrete component parameters or the design parameters are adopted to make it easy that the models are directly used in optimization design of real products. In order to make mathematical simulation and optimum analysis accurately with a particular vehicle and to study the influence of tyre characteristics on the lateral dynamic performance of vehicle, not only are the whole structure parameters in the models measured, but also is the test of the tyre cornering characteristics done, the accurate parameters of the tyre cornering characteristics are obtained and the practical tyre models of both steady state and dynamic state are selected.

为了提高仿真计算与优化分析的精度，和进一步分析有关轮胎特性对汽车横向动力学特性的影响，除了测量了模型中的全部结构参数外，特别做了轮胎侧偏特性试验，获得了比较准确的轮胎特性参数，并选用了比较实用的轮胎动态和稳态侧偏特性模型。

Taking QY80 auto-crane's rocker mechanism of four一axle steering system asexample,this paper presents a new method which applies multibedy system Kinematics theory toanalyse mechanism's spatial motion, builds up mathematical model of optirnization for the rochermechanism of steering System, and chooses minimization adoptive random search method to developan optimization design microcomputer program,Using aboving method and program , this paper fi-nally optimlzes each design Variable, and obtains better resul...

以QY80汽车起重机四轴转向摇臂机构为例，利用多刚体系统运动学理论对机构作了空间运动分析，建立了转向摇臂机构优化设计的数学模型，并用改进了的约束随机方向搜索法编写了优化设计的微机软件，并已应用于生产实践。

Based on the detailed thermal calculation using backward pass;An optimization method based on genetic algorithm for optimal operation initial steam pressure of peaking lead was proposed.

0引言随着电力基础建设的快速发展，电网容量越来越大，电网容量的增大和电网峰谷差的增加，大容量机组已由过去的电网主力机组逐渐转变为调峰机组。

Establishing on the foundation of the project of 'the monitoring state and maintenance assist support system of feed pump for 300MW unit, Shiheng Power Plant, Shandong', this paper's content comprise on-line monitoring and thermodynamic calculation on small steam turbine for feed water pump, and supply the necessary data for feed water pump's performance analysis, trouble analysis and small steam turbine's performance analysis, optimization, heat stress calculation and tremble monitoring.

本论文的内容是建立在&山东石横电厂给水泵状态监测与维修辅助支持系统&项目基础上，涉及大型机组锅炉给水泵驱动用小汽轮机进行在线监测和热力计算，为给水泵的性能分析、故障分析以及小汽轮机的性能分析和优化、热应力计算和震动监测提供必需的数据。

Based on coal quality engineering analysis, the software of optimization steam coal blending is developed.

基于煤质工程分析优化得到的配煤，追求的是当前条件下电厂总费用最小，是针对当前设备状态和运行情况进行的优化。

The sequence for optimization method is state in this paper with a example of frame calculation.

并通过框架计算实例，说明了优化的具体步骤。

The optimization design model of 2-stage star gear transmission is established.

建立了两级内外啮合星型齿轮传动优化设计的数学模型，分析了系统的传动方案和约束条件，以中心距最小为目标函数，确定了主要优化设计参数。

This paper is composed with three parts:finite element analysis and optimization of electric field high voltage electrostatic spinning working,design high voltage electrostatic spinning machine and experiments on it.

本文的研究内容主要由三部分组成，即高压静电纺丝工作电场的有限元分析与优化、高压静电纺丝机的设计以及高压静电纺丝机的试验研究。

At the same time, analysis speed reducer assembly line problems and contrast the methods of optimization .

应用位置加权法对各个工序权重做出了合理排布，使用上述两种方法对装配线进行平衡，提高了装配效率，同时也为以后的优化方法提供了研究基础。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。