查询词典 dynamic system

The classical cutting stock algorithm——column generation technology , and wrap up rectangle technology for abnormity are analyzed ; The development of AutoCAD with ObjectARX is studied and the generating method of cutting outline drawing and layout drawing were found out on the basis of analyses of the graph database structure of AutoCAD and the basic operation of it ; The process planning technology of plate material cutting orienting numerical control is studied a process planning method directly based on layout drawing is established ; The emulation technology in AutoCAD is studied and a kind of dynamic emulation method is put forward , which is realized by incrementally modifying graph entity ; The postposition of NC program of the integrated cutting system constructed on software plug-in is proposed , which can effectively solve the problem that it is difficult for a numerical control programming system to be common , which is caused by the difference of instruction format and control parameter between different type of numerical control machine .

分析了经典的矩形件优化排样算法——列生成法和针对异形件的矩形包络算法；研究了基于ObjectARX 的AutoCAD 开发技术，结合对AutoCAD 图形数据库结构及其基本操作的分析，给出了下料轮廓图和排样图的生成方法；研究了板材数控下料加工的工艺处理技术，建立了一种直接基于排样图进行的图形交互工艺规划方法；研究了在AutoCAD环境中的板材下料数控仿真技术，给出一种通过增量修改图形实体对象实现的动态仿真方法；提出以软插件技术构建集成下料系统的数控编程后置处理部分，能够有效解决因数控下料机床指令格式及控制参数不统一导致的自动编程软件系统不易实现通用性的问题。

With the expansion of Power System scale, it becomes more and more important to keep Power System's reliability and stability, as well as super performance and dynamic quality.

随着电力系统规模的日益扩大，保证系统运行的可靠性和稳定性，提供合格的电能质量和良好的动态品质具有极其重要的意义。

Many technologies are used to the system, such as the lineate data transmission, the computer network, database, communications, autocontrol and data middleware. By these technology Colliery is joined with superior management department so that the department could acquire the safety information of presidial colliery intuitively and fleetly and real-time monitoring to great dangerous source. According to the information management department could find and obviate great accident hidden trouble and make dynamic tracking. Potent bearing of real-time data monitoring is afforded by the system for farther managing and decision-making.

煤矿瓦斯远程实时监控系统综合运用了有线数据传输技术、计算机网络技术、数据库技术、通信技术、自动控制技术以及数据中间件等技术，建立了煤矿和上级各管理部门的连接，使上级管理部门能够直观、快速地了解下属的煤矿安全信息，对煤矿重大危险源进行实时监测，实时发现重大事故隐患，进行及时隐患排查和动态跟踪，为进一步进行管理、决策做出了有力的实时数据监控支持。

In this paper, the mixed simulation system of prime mover and speed governor system for marine power station is designed on basis of analysis of their static and dynamic characteristics.

在分析船舶电站原动机及调速系统静态、动态特性的基础上，设计了原动机及调速系统的混合仿真系统。

The proposed control strategy can predict the system variables one beat advanced and solve the delay problem of digital control primely, which greatly improves the dynamic performance and stability of system.

在电流源逆变器系统离散状态空间方程的基础上，利用状态反馈极点配置理论，文中详细给出了状态预测观测器系数矩阵的设计过程。

In this paper the dynamic characteristic of quartz lamp heater and silicon controlled rectifier installations was addressed through theoretic analysis and test, and the static characteristic of quartz lamp heater was investigated through system identification; In foundation of studying controlled object＇s characteristic a kind of design procedure on nonlinear PID controller was found, it is applicable to arbitrary quartz lamp heating system.

本文通过理论分析和试验测试研究了可控硅功率调节装置和石英灯加热器的动特性，提出了通过系统识别的方法研究石英灯加热器的静特性；在研究被控对象特性基础上找到了对任意一个石英灯加热器组成的被控对象进行非线性PID控制器的设计方法。

Firstly, the paper introduces the achievements and development plan of railroading project construction in our country, elaborating the possibility and necessity of methods of whole railroading project schedule dynamic control by using computer-aided management system, and illustrated the study level of the system outside and inside our country.

铁路工程全线施工进度控制系统的研究就是为提高我国目前铁路工程建设管理水平提出来的。首先，本文介绍了我国铁路工程建设的成就和发展规划，提出了采用计算机系统辅助铁路工程全线施工进度动态控制管理的必要性和可行性，分析了国内外该项研究的现状。

The restoring force of the isolation system is studied, and the dynamic response program of the isolation system under earthquake excitation is drawn up in the time domain.

运用隔震理论建立结构隔震体系的动力模型和运动方程，着重考虑了隔震体系的恢复力特性，进行了隔震体系在时域内的地震反应程序设计。

A set of high-speed on-line dynamic data acquiring hardware system and correlation software in Windows operating system was developed for the rig of self-acting thrust gas bearing. A set of analyzing software of experimentation data was developed.

为了进行试验研究，本文开发了一套在线高速动态数据采集硬件系统及基于Windows平台下的相关软件，同时还开发了一套功能强大的止推轴承数据分析和处理软件。

With already some solution photographs that are based on fictitious machine technology are compared, libra has two distinguishing feature, namely the technology of self-communion of concealed form process that migratory technology mixes dynamic operating system not to rely on an operating system.

和已有的基于虚拟机技术的解决方案相比，Libra具有两个特色，即动态的操作系统迁移技术和不依靠于操作系统的隐式进程自省技术。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。