监控系统

Though the A/C automation control system, we can operate, manage, collect the running data and pre-diagnose all the HVAC devices in on single central computer, the computer can communicate with chiller, water pump, cooling tower, piping system and AHU through the DDC.

通过空调自动化系统可以对空调主机、空调末端、水系统、冷却塔等子系统进行监控和管理，通过集散型的控制系统，用户可以实现自己的管理和控制的意图[5]。

From the aspects of improving stability and robustness of the system, this dissertation describes the design of the monitoring terminal hardware and application software system in detail.

做为重点，本文从提高系统稳定性，增强抗干扰能力的角度入手，详细描述了现场监控终端硬件系统和软件系统的设计过程。

For the open style controlling system, the controlling system nased on the PMAC is built. The layered step-up controlling system flatform is inplemented. Based on the control demand of the welding position,speed and stabilization, the three rings servo system that using the position as the external ring , the current as the internal ring and the speed as the centre ring. Using the Borland C++ builder 6.0, the PComm32PRO from Delta Tau and the SQL Server as the data bank engine.

在Borland C++ builder 6.0开发环境下和Delta Tau提供的PComm32PRO动态链接库，采用了功能强大的SQL Server作为数据库管理引擎，开发开放式专用焊接机器人系统的控制软件平台，主要包括以下模块：系统设置模块、状态监控模块、运动控制模块、专家系统模块、数据管理模块、在线指令模块和通讯模块。

It focuses on the design of extendible supervisory control simulation system. It introduces the design idea of the system, system architecture and software organization architecture and mainly discusses function modules of the system.

然后对可扩展监控仿真系统的设计进行了概述：介绍了系统的设计思路、体系结构和软件组织结构，主要讨论了本系统的各个功能模块。

In association with the improvement design practices on winding equipment for main cable of large span cable bridges liking Shantou Gulf Bridge, Xiling Yangtse River Bridge and Xiamen Haicang Bridge, some contents are systematically described on the basis of electric control system of ZLC series winding machine for main cable, including mechanism composition of the winding machine for main cable, mathematical relationship between rotation speed of winding system and travel speed of the winding machine, work principle of accurately matching control on the two speeds with PLC and frequency converter, wireless measurement and monitor of winding system tension, automatic override control on cable clamp as well as practical effect of a real bridge application.

结合对汕头海湾大桥、西陵长江大桥和厦门海沧大桥等大跨度悬索桥的主缆缠丝施工设备－主缆缠丝机的改进设计实践，以ZLC系列主缆缠丝机的电气控制系统为基础，系统介绍了主缆缠丝机的机构组成、缠丝系统旋转速度与缠丝机行走速度之间的数学关系、采用PLC及变频器对两速度进行精确匹配控制的工作原理、缠丝系统张力的无线测量、监控、索夹的自动跨越控制以及实桥的应用效果。

First through comparison of voltage stability tangent vector index, the power loss sensitivity index as well as the singular value index, then makes the system operators fixes their voltage stability monitoring and prevention stress on the weak nodes and weak area.

首先通过对电压稳定的切向量指标、网损灵敏度指标以及奇异值指标的分析比较，确定系统的弱节点、弱区域，使得系统运行人员对系统的电压稳定的监控和预防侧重在系统电压稳定的弱区域。

This system melts Global Positing System, Geographic Information System, Global System for Mobiles communications, the technique of computer data processing and the technique of modern data communication in the integral whole. It can realize all-weather fixed position of satellites, electronic map to show and vehicle real-time monitoring and so on.

该系统融合了全球卫星定位系统、地理信息系统、全球移动通信系统以及计算机编程技术和现代数据通信技术于一体，可实现电子地图显示和车辆实时位置监控等功能。

The system is mainly used for 140 horizontal continuous casting machine power plant, control of the working point tank movements, As the system configuration on a level of temperature, pressure relay (HED10A20), the solenoid valve, valve, safety valve, and so can the system oil temperature, pressure and other remote control and compact design of the structure, convenient operation and reliable performance, energy conservation is SLD-140 horizontal continuous casting machine hydraulic devices supporting the ideals of hydraulic equipment.

该系统主要用于140水平连铸机的动力装置，控制各工作点油缸动作，由于该系统配置有液位液温器、压力继电器（HED10A20）、电磁阀、溢流阀、安全阀等，因此可对系统的油液温度、系统压力等实现远程监控，其结构设计紧凑、操作方便、性能可靠、节约能源是SLD-140水平连铸机液力装置的理想配套液压设备。

In order to ensure the construction process safe and the bridge structure would reach its ideal state, lots of questions in its whole construction control and swivel ereetion construction control are discussed and studied.Firstly, based on the experiences about the cable-stayed bridge's construction control, do emulational anlysis to Sui Fenhe cable-stayed bridge by using the bridge analyzing program of BSAS and Dbridge, analyze the parameters' sensitivity, study the temperature effects, discern the relevant parameter's errors about construction control and optimize its construction state.Secondly, as an example of Sui Fenhe cable-stayed bridge's swivel erection construction control, present the design and construction techniques of simple point supporting and even articulation and level swivel erection for long-span cable-stayed bridge, study its load-bearing system, balance system, power system and adjustment system in detail, check its static stability on the state of swivel erection construction and monitor the whole swivel erection construction.

首先，在斜拉桥施工控制经验的基础上，用桥梁结构分析程序BSAS和Dbridge对绥芬河斜拉桥进行了详细的施工仿真分析，参数敏感性分析，温度效应分析，施工控制影响参数误差分析和结构施工状态的最优化控制；其次，以绥芬河斜拉桥转体施工控制为例，介绍了大跨度斜拉桥单点平铰水平转体设计与施工技术，详细研究斜拉桥单点平铰水平转体支承系统、平衡系统、动力系统和调整系统，并对本桥结构转体施工做静力稳定性验算及转体过程的监控。

It will introduce the theory, current status and hardware of echo depth sounder and GPS. Also introduce the control flow of system, how to control the system errors, program rules of software, design of monitoring interface and the application in actual measuring process and advantage.

本文详细介绍了回声测深仪和GPS的工作原理、发展现状以及本系统采用的硬件类型；还介绍了整个系统的控制流程、系统误差的控制、软件开发工具Delphi的编程规则、监控界面的设计；最后还详细介绍了系统在实际测量过程中的应用以及其优越性。

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％。