查询词典 dynamic system

Main contributions and achievements are as follows:A general non-equilibrium rigorous model for RDP is developed in this thesis. Based on the pseudo-homogenous assumption, two main factors reaction and separation are de-coupled, and an RDP model with the same format as that for a traditional distillation process is established. To solve the model with a large number of algebraic equations, modified M-K equations with tri-diagonal matrix form are developed based on the improved Separation Efficiency Functions, which greatly increases the iteration efficiency. This thesis also develops a general reactive distillation dynamic model. Through splitting of the differential variables based on SEFS, large-scaled differential algebraic equations can be solved with the improved Gear's algorithm which makes the dynamic model suitable for the on-line application. A simulation platform for the control loop design and evaluation of RDP by introducing control system equations into the dynamic model is also developed.A lactic acid purification pilot-scale RDP is investigated.

论文对热点问题——反应精馏过程的建模与优化控制相关技术进行了深入的研究，取得了一系列成果：1、建立了反应精馏过程机理模型，基于拟均相假设，将反应和分离过程进行解耦，推导出反应精馏过程的非平衡级稳态模型和动态模型，通过引入推广的分离效率函数，对模型变量进行了合理划分，显著提高了模型求解效率；将动态模型和控制系统方程结合，建立了反应精馏过程控制系统研究的辅助工具。2、全面分析了乳酸提纯反应精馏新工艺试验装置，利用本文建立的过程机理模型，对该试验装置进行了稳态和动态性能分析及水力学核算；设计和分析了单边质量控制方案，比较了间接和直接物料平衡控制两种方案的控制性能。

This paper adopts stepwise in-depth and refinement method to make analysis of technologies about current dynamic distributed architecture and pointed compares the advantage and weakness of kinds of techniques. At the same time the paper studies the dynamic distributed computing technology. On basis of before-mentioned technology, the paper applies the new 00-based dynamic distributed architecture technology and theory to developing and implementing the remote education subject-base system.

本论文采用逐步深入、求精的研究方法，对目前的动态分布式系统结构的各种技术进行分析，并具有针对性的比较了各种技术的优缺点，同时研究了动态分布式计算技术，在此基础上应用基于面向对象技术的新的动态分布式系统结构技术和思想来开发实现了远程教育题库系统。

Basing on VRML"S own dynamic perception node,realized sorting goods automatically in the high-level shelf, with script and JavaScript programming language that can take control of the moving of the goods and realize sorting electrically, and set the dynamic route of goods sorting. Has used Java language and VRML"S EAI programming connection, programmed with Java Applet that has realized the external control function such as viewpoint exchange and browse mode choosing.and also realizes dynamic revision on some logistics parts. Has given the concrete example for automatically sorting system.

即通过VRML自身的动态感知节点，实现了货物在高层货架中自动拣货；通过script节点和JavaScript脚本编程语言实现了对货物移动的控制以及实现电子拣货等交互，利用Java语言实现了对分拣货物动态路径的设定；通过Java语言和VRML的EAI编程接口，用Java Applet编程使浏览者通过外部控件进行视点切换和浏览方式的选定，并实现了物流设备的动态修改；对自动分拣系统作了具体实例。

Third-Party Logistic of Warehouse Management System Framework provides a series of reusable groupware, such as persistence layer which introduces Dynamic Value Object, Value List Hander and Command pattern. It encapsulates the details of accessing database and affords the interface of different persistence layer framework. Based on Asynchronous JavaScript and XML, we develops the client validity check engine, dynamic cascading menu and common, dynamic tree structure groupware, as well as a set of tag library which include query, pagination, cache and so on. It reduces the code redundancy and predigests the development of interface layer enormously.

第三方物流管理系统框架提供了一系列可复用组件，例如采用动态VO、值列表处理器以及命令模式的持久层组件，封装了数据库访问细节，并为不同的持久层框架提供调用接口；基于Ajax(Asynchronous JavaScript and XML)技术的客户端校验引擎、动态级联菜单以及通用动态树型结构组件，一系列查询、分页、缓存等标签库则减少了表示层的代码冗余，简化了表示层开发；基于SSL登录以及基于角色的访问控制的安全子系统则初步实现了数据安全传输和权限控制；此外基于Web服务的企业应用集成模型为今后系统集成、数据共享提供了有益探索。

According to the principle of quantum mechanics, exploringly presented the possible mechanism of large-scale expansion at forepart of earth, quanta earth tectonic dynamic mechanism formed from super solid state of centrosphere material, presented the integral tectonic criterion in the process of evolution of earth system considering potential of quanta, potential energy of gravitation and heat energy as a result of special state of matter of centrosphere.③Established the evolutional model of finite nonlinear expansion to of integral tectonic dynamic of earth expansion., presumed and gived the skeleton model of original forepart earth before expanding. Applying the universal large scale finite element software, for the first time considered heat power and self gravitation in the same model of tectonic dynamic model simultaneously.

较系统地讨论了地球膨胀整体构造动力的若干基本理论问题：①分析汇总了地球演化产生、积累和以各种形式损耗的总能量，根据考虑引力势能与热能的维里定理，对现时地球整体动力状态进行判断；②根据量子力学原理，探索性地提出地球大规模膨胀的可能机制——地核物质超固态形成量子简併压强产生的动力——地球量子动力，给出了考虑地核特殊物态的量子势能、引力势能和热能的地球系统演化过程中的整体动力状态判据；③建立了地球膨胀整体构造动力的非线性有限膨胀演化模型，推测给出膨胀前早期地球的轮廓性模型。

Apply OLAP multi-dimensional data collection and analysis technology, Ontology integrated exchange network technology and dynamic course mode technology to establish a network disposal system for producing process on a dynamic cost control basis in line with the dynamic cost and as well as the characteristic of energy consumption and material consumption including many variable coupling, nonlinearity and changeableness in the engendering course of the electromagnetic wire.

针对电磁线生产过程中动态成本与生产过程的能耗、物耗等具有多变量耦合性、非线性、不确定性等多种因素的特点，运用OLAP多维数据采集/分析技术、Ontology集成交换网络技术和过程动态模型技术，建立符合电磁线制造企业的基于动态成本控制的生产管理系统。

By use of time-varying Fourier coefficient series of power system variables, new dynamic phasor models of thyristor-controlled reactor are developed. In this model the higher order harmonic components that have less impacts on dynamic characteristic of TCR are neglected, and through the average operation of time-domain model of TCR, a dynamic phasor state-space model of TCR is derived.

利用电力系统变量的时变傅里叶系数得到晶闸管控制电抗器(thyristor controlled reactor，TCR)的动态相量模型，该模型忽略了对TCR动态特性影响较小的谐波分量，并通过对TCR时域模型的平均运算获得动态相量状态空间模型。

In view of the system complexity, it is difficult for a number of previous methods to consider the embedded cap effects on the dynamic pile-soil interaction system. As a result, the dynamic impedance of a pile group with embedded cap was rarely reported.

由于系统的复杂性，以往桩-土动力相互作用研究的很多方法难以考虑承台的埋置作用，因此有关埋置承台群桩动力特性的研究报道很少。

In this paper the basic principle of dynamic simulation with PSS/E is presented; the effectiveness and adaptability of flexible HVDC power transmission model are analyzed, and on the basis of actual power system the quasi steady-state VSC-HVDC dynamic model VSCDCT is simulated. Simulation results show that it is available to apply PSS/E in transient stability analysis of practical large-scale AD/DC power system.

介绍了PSS/E动态仿真的基本原理；分析了柔性直流输电模型VSCDCT的有效性和适用性，并基于实际系统对准稳态直流动态模型VSCDCT进行了仿真研究，仿真结果表明 PSS/E直流模型能够满足大规模交/直流系统仿真的要求。

The static and dynamic deformation of the machine tool spindle system is the main reason which affects the machining accuracy. So the static and dynamic analysis of the spindle system structure plays an important role in the design of machine tool.

机床主轴系统的静态、动态刚度是影响机床加工精度的主要原因之一，因此机床主轴系统的静、动态性能分析在机床设计中占据重要地位。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。