NDLI: The digital control system for the TCV Tokamak

Content Provider	IEEE Xplore Digital Library
Author	Le, H.B. Coda, S. Duval, B. Felici, F. Moret, J.-M. Paley, J.I.
Copyright Year	2013
Description	Author affiliation: Eindhoven Univ. of Technol., Eindhoven, Netherlands (Felici, F.) \|\| Centre de Rech. en Phys. des Plasmas (CRPP), Ecole Polytech. Fed. de Lausanne (EPFL), Lausanne, Switzerland (Le, H.B.; Coda, S.; Duval, B.; Moret, J.-M.; Paley, J.I.)
Abstract	A new digital feedback control system has been developed, integrated and used successfully to control the TCV plasma. The system is designed to be modular, distributed, and easily expandable, accommodating hundreds of diagnostic inputs and actuator outputs. It offers the possibility to design advanced control algorithms using more information on the plasma state, as well as the ability to control all TCV actuators, including PF coils, gas valves, the gyrotron powers and launcher angles of the ECRH/ECCD system, as well as diagnostic triggering signals. The system consists of multiple PC nodes connected to a sharing memory network. The control algorithms are programmed as block diagrams in Simulink. Using Embedded Coder, the C code is generated automatically from the Simulink model, then compiled into a Linux shared library (“.so” file) and copied to target nodes. When the TCV discharge is progressing, an application on each node is executed and dynamically loads the shared library at runtime. During the real time process, to dedicate the whole CPU performance for the algorithms, all interrupts to the CPU on each node are suspended. Since its inception, the new digital control system has enabled a multitude of plasma control applications, ranging from basic experiments of coil current and density control to advanced experiments of MHD and plasma profile control, as well as real-time plasma transport simulations. This paper presents the architecture of the new control system and its integration into the TCV plant.
Starting Page	1
Ending Page	4
File Size	454507
Page Count	4
File Format	PDF
e-ISBN	9781479901715
DOI	10.1109/SOFE.2013.6635354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal processing algorithms Tokamaks Actuators Coils Software packages embedded Linux tokamak plasma control distributed digital system
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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