A test system is developed for the BESIII ETOF/MRPC beam tests of data acquisition, environment monitoring and automatic control. The software framework is based on the CAMAC bus, VME bus and Serial Port,which are res...A test system is developed for the BESIII ETOF/MRPC beam tests of data acquisition, environment monitoring and automatic control. The software framework is based on the CAMAC bus, VME bus and Serial Port,which are responsible for communications with the detectors. The monitor system works well in the beam test.展开更多
Neutral Beam Injection control system (NBICS) is constructed to measure the plasma current, Magnet current, vacuum pressure, cryopump temperature, control water cooling, filament voltage, and power supply, etc. The NB...Neutral Beam Injection control system (NBICS) is constructed to measure the plasma current, Magnet current, vacuum pressure, cryopump temperature, control water cooling, filament voltage, and power supply, etc. The NBICS, consisting mainly of a Programmable Logic Controller (PLC) subsystem, data acquisition and processing subsystem and cryopump and vacuum pressure monitoring subsystem, has successfully been used on a NBI device. In this article, the design of NBICS on HT-7 is discussed and each subsystem is described in particular. In addition, some experimental results are reported which are very important data for further research related to the HT-7 tokamak.展开更多
川东地区大部分气田目前已处于中、后期开采阶段,气田生产工艺已进行了相应的优化简化,采用了中心站生产管理模式,针对原SCADA(Supervisory Control And Data Acquisition,数据采集与监视控制)系统存在的不适应性,提出了相应的配套优化...川东地区大部分气田目前已处于中、后期开采阶段,气田生产工艺已进行了相应的优化简化,采用了中心站生产管理模式,针对原SCADA(Supervisory Control And Data Acquisition,数据采集与监视控制)系统存在的不适应性,提出了相应的配套优化改造措施:①调整数据传输网络结构;②升级改造数据传输电路;③取消单井站自控系统的过剩功能;④调整自控系统的数据传输流向,将中心站所管辖的单井站生产数据传输到中心站;⑤单井站推广使用太阳能自动化控制系统;⑥更换设备陈旧、故障率较高的站控系统,删除已建作业区区域控制中心(RCC)和站控(SCS)无用的报警点和事件触发点;⑦升级改造调度控制中心(DCC)的硬件和软件;⑧换代升级自控仪表(设备);⑨在井站增加视频监控、脉冲电子阻拦网和语音广播系统等。改造效果分析结果表明:优化改造后的SCADA系统能满足该区站点分散、长期平稳和连续远程监控的生产工艺需求;采用PID控制回路和联锁控制回路满足了各种复杂天然气生产工艺自动化控制的需要;确保了生产数据采集的高效性和准确性,提高了工作效率;在天然气生产运行环节中发挥了监控、预警等重要作用;实现了关键控制设备就地或远程控制功能,确保了天然气生产的安全平稳运行。展开更多
为解决传统监测系统无法做到精确、实时地监控各地区大气环境数据的问题,设计了基于SCADA(Supervisory Control And Data Acquisition)系统,集组态软件、计算机和数据库技术于一体的物联网大气环境监测系统。该系统使用便携式气体检测...为解决传统监测系统无法做到精确、实时地监控各地区大气环境数据的问题,设计了基于SCADA(Supervisory Control And Data Acquisition)系统,集组态软件、计算机和数据库技术于一体的物联网大气环境监测系统。该系统使用便携式气体检测仪作为下位机对大气污染物浓度进行采集,利用组态软件搭建中央监控平台对采集数据进行接收处理与分析。该系统实现了下位机接收数据,服务器存储数据,并能实时进行数据监测及历史数据查询。实验结果显示,该系统既可实时监控监测节点的大气环境变化,又可实现监测节点的历史数据查询,生成历史报表,具有采集数据、存储数据及气体浓度预警的功能。解决了传统监测系统存在的监测范围无法细化、监测数据无法实时更新与发布的问题,为更加方便、实时、高效地监测大气环境提供了技术保障。展开更多
基金Supported by the State Key program of National Natural Science of China(No.10979003)National Natural Science Foundation of China(No.10775181)China Postdoctoral Science Foundation(No.20090460521)
文摘A test system is developed for the BESIII ETOF/MRPC beam tests of data acquisition, environment monitoring and automatic control. The software framework is based on the CAMAC bus, VME bus and Serial Port,which are responsible for communications with the detectors. The monitor system works well in the beam test.
基金The project supported by the Meg-science Engineering Project of the Chinese Academy of Sciences
文摘Neutral Beam Injection control system (NBICS) is constructed to measure the plasma current, Magnet current, vacuum pressure, cryopump temperature, control water cooling, filament voltage, and power supply, etc. The NBICS, consisting mainly of a Programmable Logic Controller (PLC) subsystem, data acquisition and processing subsystem and cryopump and vacuum pressure monitoring subsystem, has successfully been used on a NBI device. In this article, the design of NBICS on HT-7 is discussed and each subsystem is described in particular. In addition, some experimental results are reported which are very important data for further research related to the HT-7 tokamak.
文摘川东地区大部分气田目前已处于中、后期开采阶段,气田生产工艺已进行了相应的优化简化,采用了中心站生产管理模式,针对原SCADA(Supervisory Control And Data Acquisition,数据采集与监视控制)系统存在的不适应性,提出了相应的配套优化改造措施:①调整数据传输网络结构;②升级改造数据传输电路;③取消单井站自控系统的过剩功能;④调整自控系统的数据传输流向,将中心站所管辖的单井站生产数据传输到中心站;⑤单井站推广使用太阳能自动化控制系统;⑥更换设备陈旧、故障率较高的站控系统,删除已建作业区区域控制中心(RCC)和站控(SCS)无用的报警点和事件触发点;⑦升级改造调度控制中心(DCC)的硬件和软件;⑧换代升级自控仪表(设备);⑨在井站增加视频监控、脉冲电子阻拦网和语音广播系统等。改造效果分析结果表明:优化改造后的SCADA系统能满足该区站点分散、长期平稳和连续远程监控的生产工艺需求;采用PID控制回路和联锁控制回路满足了各种复杂天然气生产工艺自动化控制的需要;确保了生产数据采集的高效性和准确性,提高了工作效率;在天然气生产运行环节中发挥了监控、预警等重要作用;实现了关键控制设备就地或远程控制功能,确保了天然气生产的安全平稳运行。
文摘为解决传统监测系统无法做到精确、实时地监控各地区大气环境数据的问题,设计了基于SCADA(Supervisory Control And Data Acquisition)系统,集组态软件、计算机和数据库技术于一体的物联网大气环境监测系统。该系统使用便携式气体检测仪作为下位机对大气污染物浓度进行采集,利用组态软件搭建中央监控平台对采集数据进行接收处理与分析。该系统实现了下位机接收数据,服务器存储数据,并能实时进行数据监测及历史数据查询。实验结果显示,该系统既可实时监控监测节点的大气环境变化,又可实现监测节点的历史数据查询,生成历史报表,具有采集数据、存储数据及气体浓度预警的功能。解决了传统监测系统存在的监测范围无法细化、监测数据无法实时更新与发布的问题,为更加方便、实时、高效地监测大气环境提供了技术保障。
