【目的】结合超快光学激光器的泵浦-探测实验是硬X射线自由电子激光(Shanghai High Repetition rate XFEL and Extreme light facility,SHINE)的核心实验技术之一,需要精确诊断X射线自由电子激光脉冲和泵浦激光的相对到达时间,并为每发...【目的】结合超快光学激光器的泵浦-探测实验是硬X射线自由电子激光(Shanghai High Repetition rate XFEL and Extreme light facility,SHINE)的核心实验技术之一,需要精确诊断X射线自由电子激光脉冲和泵浦激光的相对到达时间,并为每发X射线自由电子激光脉冲的数据打上BunchID时间戳,从而实现诊断数据与实验数据的联合分析。【方法】本论文的探测器数据采集与控制系统基于实验物理与工业控制系统(Experiment Physics and In-dustrial Control System,EPICS)架构开发,通过基于PyDM(Python Display Manager)的用户界面实现探测器参数配置。该系统分别接收脉冲到达时间诊断设备的探测器图像数据及定时系统的时间标签BunchID,为每帧图像数据打上BunchID时间戳,并将采集数据存储为HDF5格式。【结果】该系统能实时采集探测器数据,准确配置探测器参数,实现探测器图像与BunchID的精确匹配,为SHINE泵浦-探测实验中的到达时间诊断提供了重要的技术支撑。展开更多
在云计算、大数据和人工智能等前沿技术的推动下,数据中心机房正面临着规模扩张与功能升级的双重挑战,以满足不断攀升的数据存储需求和日益复杂的业务处理需求。确保机房内部系统和设备的持续稳定运行,已成为亟待解决的关键问题,对于提...在云计算、大数据和人工智能等前沿技术的推动下,数据中心机房正面临着规模扩张与功能升级的双重挑战,以满足不断攀升的数据存储需求和日益复杂的业务处理需求。确保机房内部系统和设备的持续稳定运行,已成为亟待解决的关键问题,对于提升数据中心的运行效率和降低运营风险具有显著的研究意义和经济价值。本研究针对上述挑战,提出了一种基于EPICS(Experimental Physics and Industrial Control System)的创新监控系统框架。该框架利用SNMP(Simple Network Management Protocol)协议进行数据传输,采用CSS(Control Studio System)构建直观的人机交互界面,并选用Archiver Appliance作为历史数据库解决方案,同时引入CSS-BEAST以强化报警系统的功能。本框架不仅在稳定性和可靠性方面表现出色,而且具有良好的扩展性,能够适应不同类型和规模的机房环境,为数据中心的高效运营提供了坚实的技术支持。展开更多
DR(Dielectronic Recombination)and CSRe cluster internal target are two of the important experiment terminals in HIRFL(Heavy Ion Research Facility in Lanzhou).Both terminals have moving detectors,which need to be pushe...DR(Dielectronic Recombination)and CSRe cluster internal target are two of the important experiment terminals in HIRFL(Heavy Ion Research Facility in Lanzhou).Both terminals have moving detectors,which need to be pushed in or pulled out remotely.Since the old control system has lot of inconvenience such as the decline of control accuracy and running instability,a set of new motion control system is design and realized in 2018.展开更多
The former vacuum monitoring system is designed based on single chip microcontroller and the user interface is written in Java language.This vacuum monitoring system is used to collect the real-time vacuum value of va...The former vacuum monitoring system is designed based on single chip microcontroller and the user interface is written in Java language.This vacuum monitoring system is used to collect the real-time vacuum value of vacuum gauges and fast-closing valve state distributed in SFC,SSC,experimental terminals and other areas of HIRFL to reect the real-time vacuum environment.This microcontroller-based vacuum monitoring system has been on service for more than 15 years.展开更多
Since 2014 to 2017,the magnets temperature monitoring and interlocking protection system of HIRFL-CSR had been gradually established using SCADA platform The software was written with a flexible and diversified config...Since 2014 to 2017,the magnets temperature monitoring and interlocking protection system of HIRFL-CSR had been gradually established using SCADA platform The software was written with a flexible and diversified configuration schema,which can display the data intuitively,conveniently and visually,and monitor the data in real time to prevent accident by interlock unit.The SCADA based interface is shown in Fig.1.展开更多
本文基于EPICS控制架构,研制一套4 MV单端静电高压型离子加速器高压端控制系统。系统硬件以PLC为基础,应用模拟量、数字量高压隔离模块配合浪涌吸收保护电路的设计方法,提高了系统稳定性,解决了高压端放电对控制系统的损坏问题。基于上...本文基于EPICS控制架构,研制一套4 MV单端静电高压型离子加速器高压端控制系统。系统硬件以PLC为基础,应用模拟量、数字量高压隔离模块配合浪涌吸收保护电路的设计方法,提高了系统稳定性,解决了高压端放电对控制系统的损坏问题。基于上位机软件CSS开发了友好的操作界面,实现了对所有被控对象的有效控制。采用STEP7下位机软件开发了独立的高压端PLC程序,在保障被控设备有序运行的同时,可实现通讯中断后的可控停机,防止被控对象失控。应用Linux系统构建实验物理及工业控制系统输入输出控制器(Experimental Physics and Industrial Control System Input/Output Controller,EPICS IOC),完成过程变量(Process Variable,PV)的发布,实现上下位机数据的交互。经测试,该系统工作稳定,抗干扰能力强,可为单端高压型离子加速器高压端控制系统研制提供参考。展开更多
上海光源(SSRF)硬X射线微聚焦实验站在EPICS(Experimental Physicsand Industrial Control System)软件环境下建立的控制和数据采集系统已成功用于微束X射线荧光分析、微束透射X射线吸收精细结构(XAFS)和微束荧光XAFS等实验。使用和测...上海光源(SSRF)硬X射线微聚焦实验站在EPICS(Experimental Physicsand Industrial Control System)软件环境下建立的控制和数据采集系统已成功用于微束X射线荧光分析、微束透射X射线吸收精细结构(XAFS)和微束荧光XAFS等实验。使用和测试结果表明:该系统用户界面简捷、控制及数据采集的功能完整、可靠性高、能极大提高实验效率。展开更多
为了有效地管理大型科学装置控制系统的软件系统EPICS(Expefimental Physics and Industrial Control System)的开发过程,保证系统的可靠性及可维护性,本文对EPICS的开发环境进行了分析,并通过对软件管理方法、账号权限管理及开发过程...为了有效地管理大型科学装置控制系统的软件系统EPICS(Expefimental Physics and Industrial Control System)的开发过程,保证系统的可靠性及可维护性,本文对EPICS的开发环境进行了分析,并通过对软件管理方法、账号权限管理及开发过程的研究,提出并建立了一个统一、便捷和可靠的EPICS软件开发平台。展开更多
文摘【目的】结合超快光学激光器的泵浦-探测实验是硬X射线自由电子激光(Shanghai High Repetition rate XFEL and Extreme light facility,SHINE)的核心实验技术之一,需要精确诊断X射线自由电子激光脉冲和泵浦激光的相对到达时间,并为每发X射线自由电子激光脉冲的数据打上BunchID时间戳,从而实现诊断数据与实验数据的联合分析。【方法】本论文的探测器数据采集与控制系统基于实验物理与工业控制系统(Experiment Physics and In-dustrial Control System,EPICS)架构开发,通过基于PyDM(Python Display Manager)的用户界面实现探测器参数配置。该系统分别接收脉冲到达时间诊断设备的探测器图像数据及定时系统的时间标签BunchID,为每帧图像数据打上BunchID时间戳,并将采集数据存储为HDF5格式。【结果】该系统能实时采集探测器数据,准确配置探测器参数,实现探测器图像与BunchID的精确匹配,为SHINE泵浦-探测实验中的到达时间诊断提供了重要的技术支撑。
文摘在云计算、大数据和人工智能等前沿技术的推动下,数据中心机房正面临着规模扩张与功能升级的双重挑战,以满足不断攀升的数据存储需求和日益复杂的业务处理需求。确保机房内部系统和设备的持续稳定运行,已成为亟待解决的关键问题,对于提升数据中心的运行效率和降低运营风险具有显著的研究意义和经济价值。本研究针对上述挑战,提出了一种基于EPICS(Experimental Physics and Industrial Control System)的创新监控系统框架。该框架利用SNMP(Simple Network Management Protocol)协议进行数据传输,采用CSS(Control Studio System)构建直观的人机交互界面,并选用Archiver Appliance作为历史数据库解决方案,同时引入CSS-BEAST以强化报警系统的功能。本框架不仅在稳定性和可靠性方面表现出色,而且具有良好的扩展性,能够适应不同类型和规模的机房环境,为数据中心的高效运营提供了坚实的技术支持。
文摘DR(Dielectronic Recombination)and CSRe cluster internal target are two of the important experiment terminals in HIRFL(Heavy Ion Research Facility in Lanzhou).Both terminals have moving detectors,which need to be pushed in or pulled out remotely.Since the old control system has lot of inconvenience such as the decline of control accuracy and running instability,a set of new motion control system is design and realized in 2018.
文摘The former vacuum monitoring system is designed based on single chip microcontroller and the user interface is written in Java language.This vacuum monitoring system is used to collect the real-time vacuum value of vacuum gauges and fast-closing valve state distributed in SFC,SSC,experimental terminals and other areas of HIRFL to reect the real-time vacuum environment.This microcontroller-based vacuum monitoring system has been on service for more than 15 years.
文摘Since 2014 to 2017,the magnets temperature monitoring and interlocking protection system of HIRFL-CSR had been gradually established using SCADA platform The software was written with a flexible and diversified configuration schema,which can display the data intuitively,conveniently and visually,and monitor the data in real time to prevent accident by interlock unit.The SCADA based interface is shown in Fig.1.
文摘本文基于EPICS控制架构,研制一套4 MV单端静电高压型离子加速器高压端控制系统。系统硬件以PLC为基础,应用模拟量、数字量高压隔离模块配合浪涌吸收保护电路的设计方法,提高了系统稳定性,解决了高压端放电对控制系统的损坏问题。基于上位机软件CSS开发了友好的操作界面,实现了对所有被控对象的有效控制。采用STEP7下位机软件开发了独立的高压端PLC程序,在保障被控设备有序运行的同时,可实现通讯中断后的可控停机,防止被控对象失控。应用Linux系统构建实验物理及工业控制系统输入输出控制器(Experimental Physics and Industrial Control System Input/Output Controller,EPICS IOC),完成过程变量(Process Variable,PV)的发布,实现上下位机数据的交互。经测试,该系统工作稳定,抗干扰能力强,可为单端高压型离子加速器高压端控制系统研制提供参考。
文摘上海光源(SSRF)硬X射线微聚焦实验站在EPICS(Experimental Physicsand Industrial Control System)软件环境下建立的控制和数据采集系统已成功用于微束X射线荧光分析、微束透射X射线吸收精细结构(XAFS)和微束荧光XAFS等实验。使用和测试结果表明:该系统用户界面简捷、控制及数据采集的功能完整、可靠性高、能极大提高实验效率。
文摘为了有效地管理大型科学装置控制系统的软件系统EPICS(Expefimental Physics and Industrial Control System)的开发过程,保证系统的可靠性及可维护性,本文对EPICS的开发环境进行了分析,并通过对软件管理方法、账号权限管理及开发过程的研究,提出并建立了一个统一、便捷和可靠的EPICS软件开发平台。
