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1、HL-2A EDS (Experiment Data System) HL-2A Experiment Network HL-2A Data Acquisition The Data Processing HL-2A Display System The Data Storage System The System Management Platform HL-2A High Performance ComputerOutlineHL-2A EDSData AcquisitionRT. ProcessingInteract Pro.Analysis CodeImagesignalEnginee
2、ringDiagnoseProcessPulseWindows app.WEB ClientPar. & StatementsImage & StatusVideoCurvesData BackupData StorageTask Manage.User AuthorityPar. ManagementAcquisition Display。HL-2A Experiment Data System Data ProcessingExp. VisualizationData StorageSystem ManagementOthersData ManagementHigh Performance
3、 Computer3 Ethernet LAN are used data acquiring and monitoring HL-2A experiment controlling data processing and data analysis 1 AV (audio & video) network is used for video supervising. The Structure of The Experiment Ethernet is a compound of star structure and multilayer structure. all the fast ap
4、plications are directly connected to the center switch in star style, and others are connected to lower level switches in multilayer style. The Experiment Ethernet reaches all places of HL-2A experiment The nodes connected in the Experiment Ethernet are more than 400 computers in total The implement
5、ed security measures include dividing the network into different sections with routers and multi Ethernet adapters inserted in servers protecting the network from attacked with hardware firewalls mending OS and updating the virus data online automatically powering center switches and the key servers
6、 by UPS using optic cables as the interconnecting medium between different places Assigning authority to users for executing the permitted functionsHL-2A Experiment Network The Center of HL-2A Exp. Network HL-2A Experiment Data Acquisition 3 types of data are acquired, they are pulse signal data pro
7、cess signal data image signal data There are 50 sub-systems with 1200 channels in total. The highest ADC rate is 60 MW/S The maximum quantity of data acquired per one shot is 600 MB. The data acquisition system is distributed in both logic and Data Acquisition sub-systems HL-2A Experiment Data Proce
8、ssing Other dataOther dataFilesFilesdatabasedatabaseThin clientsThin clientsFat clientsFat clientsThree Layer structureHL-2A Experiment Data Processing The Data Processing is Applied to real time data processing for display & control interacting data processing for commonly analysis post data proces
9、sing for professional analysis Transaction servers are used to supply the pre- processed data The Functions of Data pre-processing include arithmetic, mathematic calculation, professional analysis and digital signal processing, multi channels can be included in one processing, personal processing an
10、d multiprocessing can be defined by user selves. 3 versions of processing software are developed, two of them are server/client structure the third is an application based on file sharing They have been installed in more 300 PCDigital Signal Processing The Client Based on windowsInquiring & figures
11、displaySet Personal ConfigurationThe Client Based on WEBAnalysis App. Based on Files SharingThe Center Hall of HL-2A ExperimentHL-2A Display System The display system is constructed by a big screen in the center hall some screens located other places a lot of processing sub-systems several related s
12、ervers HL-2A big screen consists of 24 50-inch display units and their accompanying adapters a 120 inch display unit and its accompanying adapter mutli. image capture cards 20 color CCD cameras 10 pan & tilt heads and the corresponding controllers a LED screen with a dimension of 50cm high and 600cm
13、 wide several IPC The functions of the system include display the purpose description of the current experiment, welcome statements and some parameters visualizing some measured signal display the preset control curves & the actual result curvesshowing plasma images, video, analyzed graphs and so on
14、. HL-2A Dada Storage System It is a multilevel storage constructed by: data acquisition computers online data servers backup data servers tape library with 8 LTO2 drivers The data tapes placed far from the online data servers It is powered by UPS Support data access in 24 hour per day Both the curre
15、nt data and the history data are online A backup system is built to save: all kinds of files SQL server and MY SQL database Windows server OS & Linux server OS system data The backup is Managed by VERITASTM BackupExec10.0 Data access & management are supported by a series of applications developed by ourselves The Storage System StructureFirewallCenter switchWAN、EMAIL serverControl PC groupRouterControl serverWWW serverTape librarySystem backupincremental backupCenter switchAcquisition PC groupProcessing PC groupDisplay PC groupMessage serverMonitoring serverHis
