1 / 28

Control, Data Acquisition, Data Analysis and Remote Participation

R1-2. Control, Data Acquisition, Data Analysis and Remote Participation. in LHD. LHD building. Refrigerator compressor for liquid He. Supercomputer building. on behalf of LHD group N ational I nstitute for F usion S cience (NIFS), 322-6 Oroshi, Toki 509-5292, Japan. Office Buildings.

taite
Download Presentation

Control, Data Acquisition, Data Analysis and Remote Participation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. R1-2 Control, Data Acquisition, Data Analysis and Remote Participation in LHD LHD building Refrigerator compressor for liquid He Supercomputer building on behalf of LHD groupNational Institute for Fusion Science (NIFS), 322-6 Oroshi, Toki 509-5292, Japan Office Buildings LHD Control building Building for Diagnostics Development Guest House Y. Nagayama Baseball park Tennis court NIFS site: 470,000m2 Y. Nagayama, et al., 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan 1/28

  2. Co-authors Related Presentations Control of Plasma/Device • Saito: P1-14 • Ito: P1-15 • Kasahara: P1-16 • Kubo: P1-17 • Chikaraishi: P1-18 • Miyazawa: P1-19 Data Acquisition/Database • Takahashi: P2-14 • Ohsuna: P2-15 • Nakanishi: P2-20 • Kojima: P2-21 Data Analysis • Emoto: O5-4 Fast Network/Remote Participation • Yamamoto: P1-38 • Tsuda: O9-1 M. Emoto, H. Nakanishi, S. Sudo, S. Imazu, S. Inagaki*, C. Iwata, M. Kojima, M. Nonomura, M. Ohsuna, M. Yoshida, K. Tsuda, H. Chikaraishi, H. Funaba, R. Horiuchi, S. Ishiguro, Y. Ito, S. Kubo, A. Mase*, T. Mito, J. Miyazawa, T. Muto, Y. Nakamura, K. Saito, R. Sakamoto, T. Seki, S. Takami, T. Yamamoto, T. Watanabe, A. Komori, O. Motojima and LHD Group NIFS, *Kyushu Univ. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  3. Outline LHD Control and Data • LHD • Control • Steady state • high desity • Data acquisition • PC cluster (90GB/shot) • MSS • Data analysis • GUI • Web browser of Supercomputer • Remote Participation • Japanese Fusion Virtual Laboratory Y. Nagayama, et al., 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan 3/28

  4. Large Helical Device (LHD) is a steady sate machine. • LHD has a heliotron configuration. • A twisted plasma is confined in closed flux surfaces. • No current, no disruption, super high density. • Control, data acquisition and real time monitoring are challenging. Magnetic field Flux surfaces Cross sections of LHD 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  5. Objective of LHD is to clarify physics of fusion relevant plasma in steady state. For this purpose, we are developing: • Superconducting magnet, High power heating (ECH, ICH, NBI) • Plasma control (divertor, density, wall, position, ) and diagnostics • Obtained plasma parameters: • Ti0=5keV (ne=1.2x1019m-3) • Te0=10keV (ne=0.5x1019m-3) • beta=5% • ne0=1021 m-3 (Te0=0.4 keV) • Wp=1.44 MJ • Tpulse=3,268 sec. • (PICH+ECH=0.5 MW, Wheat=1.6GJ) 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  6. Plasma Production for 3268 sec with ICH Kasahara: P1-16 • Steady state plasma is maintained mainly by ICH. • Total input energy is 1.6 GJ (world record). • Magnetic axis is swung (3.65m<Rax< 3.67m) every 105 s to reduce the temperature rise of diverter plate. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  7. Kubo: P1-17 Saito: P1-14 Kasahara: P1-16 Chikaraishi: P1-18 Miyazawa: P1-19 Control of superconducting magnets, plasma position, ECH/ICRF heating and density in LHD 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  8. Liquid impedance matching system of ICRF Heating in LHD • Four antennas are connected to RF generators (38.47MHz, 0.5MWx4, 1 hour). • Feedback control of the liquid impedance matching system reduces reflected power drastically (fro 70% to 2%). Saito: P1-14 Kasahara: P1-16 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  9. Diffusion barrier made with H2 pellet Injection1021 m-3 plasma is obtained! It’s a miracle! • Why no disruption nor the radiation collapse takes place? • LHD plasma may expel impurities. H2 ice pellet Sakamoto 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  10. Growing number of diagnostics requires the PC cluster technology for a data acquisition system • PC cluster system (LABCOM system) has benefits • Cost effective • Flexible • Key technology of PC cluster system: • Data management • Maintenance 2005 for Short pulse DAQ for Steady state DAQ Nakanishi: P2-20 Kojima: P2-21 Ohsuna: P2-15 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  11. Simple PC cluster system does not work. • Data should be migrated from DAQ PC to the long term data storage (DVD?). • Where is the data? • How to get it? 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  12. PC cluster system requires a index server. Kojima: P2-21 • Index server provides Where, What, and How, which are stored in the relational database (RDB). Index Server (Relational Database) where, what, how • Data acquisition PCs write the information of data to the relational data base in the index server. • Clients access the index server and take the data as the index server instructs. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  13. LABCOM system (2005 Model) • Acquired data is compressed by the DAQ-PC, and migrates to RAIDs. • Data in RAIDs migrates to Jukeboxes every night. • Place of data is registered in the relational database in the index server. • Expansion of storage is limited due to: • Migration time of 3 layers storages • Too many servers, because each RAID has each server. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  14. Distributed Mass Storage System (MSS) using Storage Area Network (SAN) with Fibre-Channel (FC) switch Kojima: P2-21 • FC-SAN enhances the flexibility of the data server. • A few servers can control many RAIDs. • Data migration from RAID to Jukebox is fast. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  15. LABCOM system (2007 Model)Distributed Mass Storage System on Fibre-Channel Storage Area Network • Compression: ZLIB (1-D data), JPEG-LS(2-D data) • Free software: LINUX (from Windows), PostgreSQL (from ObjectStore), • DAQ Box: a small PC without disk and fan (from Server PC) • Compact timing demodulator made of FPGA (from VME) Nakanishi: P2-20 Kojima: P2-21 Ohsuna: P2-15 Imazu OLD 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  16. Real time data acquisition and monitoring • Data sampled with WE7000 or cPCI are stored in the memory block. • Thinned data stream are sent to WEB browser to monitor in real time. • Sliced full data set can be taken after the plasma shot. 80MB/s Redraw every 0.1sec request H. Nakanishi K. Emoto M. Kojima M. Ohsuna S. Imazu M. Yoshida 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  17. Progress of data acquisition Nakanishi: P2-20 Kojima: P2-21 Ohsuna: P2-15 • LABCOM system takes LHD data of 90GB/shot. • LABCOM system will be extended to the ITER level (1000GB/shot). 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  18. NIFS serves to 450 collaborators. • Collaborator’s lord should be reduced. • To serve collaborators is challenging: • Easy tools to view and analyze data • WEB GUI of supercomputer • Remote participation system (Virtual Laboratory) Rokkasho site SNET Japanese Virtual Laboratory for Fusion Tsuda: O9-1 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  19. Collaborators need easy access. • A calculation server “Egcalc” provides easy data handling system. • Collaborators use standard software “X-window”. Collaborator’s PC • Collaborator’s effort should be minimized • Installation of LHD soft wares • Learning LHD computer system X-window NIFS User’s PC “Egcalc” Original Codes (Fortran, C, PV-Wave, IDL) Client Software Client Software Standard Viewer MSS Index Server MSS Index Server LABCOM raw data server LABCOM raw data server Emoto: O5-4 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  20. GUI Browsers of LHD Data in X-windowNo software but X-window is required in user’s PC. • GLABCOMV: Fortran95 code. Fast enough to view raw data. • CHRONOUS: PERL+GRACE. Easy artwork to make viewgraphs. GLABCOMV: Viewer of Raw data CHRONOUS : Viewer of Physics data S. Inagaki M. Yoshida C. Iwata 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  21. High level data analysis system with WEB • High level computer codes can be used with the WEB browser. • Using the secure shell (SSH), the job is submitted to the supercomputer. • Using the portable batch system (PBS), batch jobs are managed in PC cluster. • Noticed by e-mail, user takes the result from calculation server. • Data viewers on X-window • GLABCOMV • CHRONOUS Emoto: O5-4 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  22. LHD Relational Database on WEB WEB address Search key input Select Display Items Link to Video & Waveform • Timing of • NBI, ICH • Pellet • Gas puff Excel Table Output • LHD shots can be searched on the WEB site using relational database system (PostgreSQL). K. Emoto M. Yoshida 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  23. WEB calculator of LHD field lines on PC Cluster WEB browser Results • Users can easily calculate LHD field line trace with WEB like “Internet shopping”. • The result, which is heavy, is taken by FTP from “Egcalc” to user’s PC. e-mail configuration Coil current is calculated. T. Watanabe M. Emoto H. Yoshida 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  24. WEB GUI of transport analysis code on supercomputer Emoto: O5-4 • Physicists can operate a transport code “PROCTER”, which uses PERL to manage Fortran codes on supercomputer. • Both input data and results can be seen on WEB. WEB browser Results M. Emoto H. Funaba S. Murakami 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  25. N ational I nstitute for Fusion S cience Kyushu University Control Room KASTEC Diagnostic Control Server Diagnostic Control Client GPIB USR System Main Building Function Generator 1F Shielde d Box Impulse Generator Power Supply Waveguide Trigger Sampling Scope Low Noise Amplifier Receiver To Plasma 2F Shield Box Transmitter Japanese Virtual Laboratory for FusionRemote station is a LHD control room. • In the remote station at Kyushu Univ, they can operate a LHD diagnostic device “USR” and participate the LHD experiment. SUPER-SINET A. Mase Tsuda: O9-1 at Kyushu University 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  26. Japanese Virtual Laboratory for Fusion Tsuda: O9-1 Urushidani: O3-1 Yamamoto: P1-38 • Using the multi protocol label switching-virtual private network (MPLS-VPN) technology on SINET3, a virtual closed network is constructed. 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  27. World Fusion Virtual Laboratory: from LHD to ITER • Technology of Japanese Virtual Laboratory for Fusion will be useful to construct the ITER remote participation center. ITER Remote participation center （Rokkasho site） ITER Urushidani: O3-1 Yamamoto: P1-38 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

  28. Summary • Plasma control in LHD: • Steady state operation (~1 hours). • High density core plasma (~1021 m-3). • LABCOM: PC cluster based data acquisition system • 70 data acquisition PC, ~100 GB/shot • Index server (relational database) manages data in PC-cluster. • Fibre-Channel Storage Area Network for the Mass Storage System. • High level data analysis system: for collaborators • GUI data viewers on X-window • Real time data monitor on WEB • WEB for super-computing • Japanese Fusion Virtual Laboratory: • Closed network using the multi protocol label switching-virtual private network (MPLS-VPN) technology • LHD remote participation and supercomputing 6th IAEA-TM "Control, Data Acquisition, Remote Participation", 4-8 June 2007, Inuyama, Japan

More Related