查询词典 optimum system

In developing mechanical motion scheme design system, the lectotype difficulty of mechanical system is solved by using the variable global optimum feature in genetic programming algorithm.

在机械运动方案设计系统开发中，提出利用基因程序设计算法的可变长度全局寻优特性，解决机械系统选型的困难。

The paper firstly sums up the relative theory and development trend of Decision Support system, mainly including the decision-making supporting function, the features, the structure and the major mission of DSS. Subsequently, the paper lays emphasis on the research of the electricity requirement, energy-exhausting analysis and network optimum programming method for the second oil-mining factory of Da-Qing oil field, and then provides the principle of the network programming and the framework for designing DSS according to the requirement of optimizing the layout of network, saving energy and timely supervising. Following the former analysis and design, the paper finally conducts the development and debugging of the Decision Supporting System based on the software engineering theory.

本文首先对决策支持系统的相关理论及其发展趋势进行了综述，重点介绍了决策支持系统的决策支持功能、决策支持系统的基本特征、决策支持系统的主要任务和决策支持系统的结构等；然后，对大庆采油二厂地面生产系统电力需求、能耗分析、电网框架规划优化方法进行了研究，针对优化网络布局、节省损耗以及实时监控的要求，提出了网络规划的原则、系统设计的基本思想，进而进行了系统总体结构、系统的模型库以及数据库的设计；最后，按照软件工程学的方法，在系统分析和设计的基础上，完成了整个系统的开发和调试工作。

The system control action optimal distribution and the system control optimum design as the way of two stage design is proposed for structural control systems.

1提出了结构控制系统的二级设计思想，即系统控制作用的最优分布设计和系统控制作用的最优设计。

The study on the transmission mechanism of power flow in complex coupling system, which aims at the optimum control of the system dynamic performance, is one of the most challenging and prospective work in the field of vibration and noise control.

基于传递功率流控制原理研究复杂系统的动态特性与最优设计，是目前振动噪声领域的前沿课题和发展方向。

The control system of a gas turbine represents a complicated non-linear system. Its optimum control can be reduced to a condition-constrained time-dependent optimal control issue, whose study involves a fairly high degree of difficulty.

燃气轮机控制系统是一个复杂的非线性系统，其最优控制是一个受状态约束的时间最优控制问题，对其研究的难度较大。

Based on analysis of the system functional requirements, the functional model designing, topological structure designing, selection of calculation mode, and technology of database are expounded in detail, especially for program technology, application of bar code, keeping track of batch, AutoCAD drawings information management, remote access, integration of different data sources, system optimum technology and security control of network in this paper.

尤其是对系统中实施的编码技术、条形码技术、批号跟踪技术、AutoCAD图形信息管理技术、远程访问技术、异种数据源集成及系统优化等关键技术进行了较为系统的探讨，同时对系统所实施的安全策略进行了阐述。

New tendency of the walking\|beam reheating furnace in low\|temperature rolling, such as the furnace profile, skid pipe, post and pad, combustion control system and optimum control system were briefly introduced in this paper.

简要介绍在低温轧制中，步进梁式加热炉在炉型、水梁、立柱、垫块与燃烧控制系统及优化控制系统等方面新的发展趋势。

ABSTRACT The researches of this thesis are carried out around the development of high performance machine tool spindle permanent magnet synchronous motor and its drive system. Five parts are included: First of all, concerning the operating characteristics of the machine tool spindle drive system, the optimum current control strategies of spindle PMSM are determined; The design rules of spindle PMSM's key parameters are summarized, based on the study on the influences of the design parameters on the performances of the PMSM operating at different current control strategies; The practical methods to improve the flux-weakening ability of the PMSM are presented; Based on the analysis and comparison of the operating performances of PMSM with different rotor structures, a novel PMSM rotor structure, which is of excellent mechanical performance, suitable for fluxweakening operation and can improve the torque output capacity in the same time, is presented.

本文围绕高性能机床主轴永磁同步电动机及其传动系统的设计研究展开，所做工作主要包括五部分：首先，确定了主轴永磁同步电动机定子电流的最优控制策略；通过对不同控制策略下主要设计参数对主轴永磁同步电动机性能影响的计算研究，总结了参数设计规律；提出了永磁同步电动机弱磁扩速的实用措施；在分析比较不同转子磁路结构电机的性能，尤其是弱磁扩速能力的基础上，提出了一种机械性能优越，易于弱磁扩速，同时能保证电机恒转矩运行时的转矩输出能力的新型转子磁路结构。

A foundation laid down for optimum design of the system and research on the capability of the control system.

为以后系统的优化设计和控制系统的性能研究打下了基础。

The results obtained can be helpful to improving the system performance and make the design of the system optimum.

分析其结果为该系统的性能提高以及优化设计提供理论依据

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。