ICALEPCS2021 - List of Authors (Van Herck, W.)

Paper	Title	Page
WEBR05	Integrated Supervision for Conventional and Machine-Protection Configuration Parameters at ITER	602
	D.A. Karkinsky, J. Jignesh, A. Marqueta, I. Prieto Diaz, W. Van Herck ITER Organization, St. Paul lez Durance, France
	Configuration parameters for ITER’s I&C systems are predominantly high-coupled due to the nature of the process under control. Subsequently, I&C re-configuration requires an integrated supervision approach that addresses coupling through abstraction, automation, scalability, changeability, robustness and re-usability. Moreover, high-coupling might manifest at any tier of the I&C, and certainly spans configuration parameters across both conventional and machine-protection I&C. Stemming from ITER design guidelines, the handling of machine-protection configuration parameters needs to meet the goals of IEC61508-3. These goals are mostly in congruence with the main concerns of integrated supervision identified above. However they also extend requirements that bind the supervision process with traceability and audit capabilities from sources to final self-test (run-time) diagnostics. This presentation describes the provisions for integrated supervision at ITER and elaborates how these provisions can be used to handle machine-protection parameters in compliance with IEC61508-3.
	Slides WEBR05 [0.510 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2021-WEBR05
About •	Received ※ 07 October 2021 Revised ※ 18 October 2021 Accepted ※ 21 December 2021 Issue date ※ 27 December 2021
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPV006	Automated Operation of ITER Using Behavior Tree Semantics	628
	W. Van Herck, B. Bauvir, G. Ferro ITER Organization, St. Paul lez Durance, France
	The inherent complexity of the ITER machine and the diversity of the ways it will be operated in different phases, like commissioning or engineering operation, poses a great challenge for striking the right balance between operability, integration and automation. To facilitate the creation and execution of operational procedures in a robust and repeatable way, a software framework was developed: the Sequencer. As a supporting framework for tasks that are mostly goal-oriented, the Sequencer’s semantics are based on a behavior tree model that also supports concurrent flows of execution. In view of its intended use in very diverse situations, from small scale tests to full integrated operation, the architecture was designed to be composable and extensible from the start. User interactions with the Sequencer are fully decoupled and can be linked through dependency injection. The Sequencer library is currently feature-complete and comes with a command line interface for the encapsulation of procedures as system daemons or simple interactive use. It is highly maintainable due to its small and low complexity code base and dependencies to third party libraries are properly encapsulated.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2021-WEPV006
About •	Received ※ 08 October 2021 Accepted ※ 21 November 2021 Issue date ※ 30 December 2021
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Integrated Supervision for Conventional and Machine-Protection Configuration Parameters at ITER

602

D.A. Karkinsky, J. Jignesh, A. Marqueta, I. Prieto Diaz, W. Van Herck
ITER Organization, St. Paul lez Durance, France

Configuration parameters for ITER’s I&C systems are predominantly high-coupled due to the nature of the process under control. Subsequently, I&C re-configuration requires an integrated supervision approach that addresses coupling through abstraction, automation, scalability, changeability, robustness and re-usability. Moreover, high-coupling might manifest at any tier of the I&C, and certainly spans configuration parameters across both conventional and machine-protection I&C. Stemming from ITER design guidelines, the handling of machine-protection configuration parameters needs to meet the goals of IEC61508-3. These goals are mostly in congruence with the main concerns of integrated supervision identified above. However they also extend requirements that bind the supervision process with traceability and audit capabilities from sources to final self-test (run-time) diagnostics. This presentation describes the provisions for integrated supervision at ITER and elaborates how these provisions can be used to handle machine-protection parameters in compliance with IEC61508-3.

Slides WEBR05 [0.510 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2021-WEBR05

About •

Received ※ 07 October 2021 Revised ※ 18 October 2021 Accepted ※ 21 December 2021 Issue date ※ 27 December 2021

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPV006

Automated Operation of ITER Using Behavior Tree Semantics

628

W. Van Herck, B. Bauvir, G. Ferro
ITER Organization, St. Paul lez Durance, France

The inherent complexity of the ITER machine and the diversity of the ways it will be operated in different phases, like commissioning or engineering operation, poses a great challenge for striking the right balance between operability, integration and automation. To facilitate the creation and execution of operational procedures in a robust and repeatable way, a software framework was developed: the Sequencer. As a supporting framework for tasks that are mostly goal-oriented, the Sequencer’s semantics are based on a behavior tree model that also supports concurrent flows of execution. In view of its intended use in very diverse situations, from small scale tests to full integrated operation, the architecture was designed to be composable and extensible from the start. User interactions with the Sequencer are fully decoupled and can be linked through dependency injection. The Sequencer library is currently feature-complete and comes with a command line interface for the encapsulation of procedures as system daemons or simple interactive use. It is highly maintainable due to its small and low complexity code base and dependencies to third party libraries are properly encapsulated.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2021-WEPV006

About •

Received ※ 08 October 2021 Accepted ※ 21 November 2021 Issue date ※ 30 December 2021

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)