Event generation and simulation of exception handling with the ITER PCSSP |
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| Affiliation: | 1. Max-Planck-Institut fuer Plasmaphysik, EURATOM Association, 85748 Garching, Germany;2. CREATE/Università Di Napoli Federico II, Dip. Ingegneria Elettrica E Delle Tecnologie Dell’Informazione, Napoli, Italy;3. Seconda Università Di Napoli, Dip. di Ingegneria Industriale E Dell’Informazione, Napoli, Italy;4. General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;5. ITER Organization, Route de Vinon-sur-Verdon, 13115 St. Paul-lez-Durance, France;1. University of Science and Technology of China, Hefei, China;2. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China;3. General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;1. Japan Atomic Energy Agency, Naka Fusion Institute, Naka, Ibaraki 311-0193, Japan;2. Nagoya University, Graduate School of Engineering, Chikusa, Nagoya 464-8603, Japan;1. ITER Organization, Route de Vinon sur Verdon, 13115 St. Paul Lez Durance, France;2. CREATE/Universitá di Napoli Federico II, Dip. Ingegneria Elettrica e delle Tecnologie dell’informazione, Naples, Italy;3. Fusion for Energy (F4E), Josep Pla 2, Torres Diagonal Litoral - B3, 08019 Barcelona, Spain;4. D.V. Efremov Scientific Research Institute, 196641 St. Petersburg, Russia;5. Kurchatov Institute, Moscow, Russia;6. CREATE/Seconda Universitá di Napoli, Dip. Ingegneria Industriale e dell’informazione, Naples, Italy;1. ITER Organization, CS 90 046, 13067 St. Paul lez Durance Cedex, France;2. ITER-China Office, Beijing, PR China;3. Japan Atomic Energy Agency (JAEA), 801-1 Mukoyama, Naka-shi, Ibaraki 311-0193, Japan;4. ITER-India, IPR, Gandhinagar 382 016, Gujarat, India;5. ITER-Korea, 463-1, Jeonmin-Dong, Yuseong-Gu, Daejeon, Republic of Korea;6. ITER-Russia, Russian Research Center “Kurchatov Institute”, Moscow, Russian Federation;7. Fusion for Energy, 08019 Barcelona, Spain;8. ITER-US, MS 6054, Oak Ridge, TN 37831 USA;9. TCS, Pune 411 057, India;10. DMCS, Lodz University of Technology, Poland;11. COSYLAB, 1000 Lubljiana, Slovenia;12. BERTIN Technologies, Aix-en-Provence, France;1. Japan Atomic Energy Agency, Naka-shi, Ibaraki, Japan;2. Japan Expert Clone Corp., Shinjuku-ku, Tokyo, Japan;3. Hitachi Information & Control Solutions, Ltd., Hitachi-shi, Ibaraki, Japan |
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| Abstract: | The plasma control system simulation platform (PCSSP) for ITER shall support the analysis and development of methods to be used by the ITER plasma control system (PCS) for handling exceptions to optimize pulses and assist in machine protection. PCSSP will permit to investigate physical and technical events, such as component failures, control degradation, operation domain excess, plasma state bifurcation or instabilities, and interlock activity. Serving that purpose, the plasma, actuator, diagnostics and PCS simulation modules in PCSSP will be enhanced to compute nominal and off-normal data. Configured by an event schedule, an event generator will orchestrate the activation and manipulate the characteristics of such off-normal computation. In the simulated PCS exceptions will be handled in a pulse supervision layer operating on top of the pulse continuous control (PCC) feedback loops. It will monitor events, decide on which exceptions to respond, and compute new control references to modify PCC behavior. We discuss basic concepts for the event generation in PCSSP, and a preliminary architecture for exception handling in PCS, and show how these will be configured with event and pulse schedules. |
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| Keywords: | Plasma control Simulation Exception handling |
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