ICALEPCS2015 - List of Authors (Kammering, R.)

Paper	Title	Page
MOA3O02	The Large Scale European XFEL Control System: Overview and Status of the Commissioning	5
	R. Bacher, A. Aghababyan, P.K. Bartkiewicz, T. Boeckmann, B. Bruns, M.R. Clausen, T. Delfs, P. Duval, L. Fröhlich, W. Gerhardt, C. Gindler, J. Hatje, O. Hensler, J.M. Jäger, R. Kammering, S. Karstensen, H. Keller, V. Kocharyan, O. Korth, A. Labudda, T. Limberg, S.M. Meykopff, M. Möller, J. Penning, A. Petrosyan, G. Petrosyan, L.P. Petrosyan, V. Petrosyan, P. Pototzki, K.R. Rehlich, S. Rettig-Labusga, H.R. Rickens, G. Schlesselmann, B. Schoeneburg, E. Sombrowski, M. Staack, C. Stechmann, J. Szczesny, J. Wilgen, T. Wilksen, H. Wu DESY, Hamburg, Germany S. Abeghyan, A. Beckmann, D. Boukhelef, N. Coppola, S.G. Esenov, B. Fernandes, P. Gessler, G. Giambartolomei, S. Hauf, B.C. Heisen, S. Karabekyan, M. Kumar, L.G. Maia, A. Parenti, A. Silenzi, H. Sotoudi Namin, J. Szuba, M. Teichmann, J. Tolkiehn, K. Weger, J. Wiggins, K. Wrona, M. Yakopov, C. Youngman XFEL. EU, Hamburg, Germany
	The European XFEL is a 3.4km long X-ray Free Electron Laser in the final construction and commissioning phase in Hamburg. It will produce 27000 bunches per second at 17.5GeV. Early 2015 a first electron beam was produced in the RF-photo-injector and the commissioning of consecutive sections is following during this and next year. The huge number and variety of devices for the accelerator, beam line, experiment, cryogenic and facility systems pose a challenging control task. Multiple systems, including industrial solutions, must be interfaced to each other. The high number of bunches requires a tight time synchronization (down to picoseconds) and high performance data acquisition systems. Fast feedbacks from front-ends, the DAQs and online analysis system with a seamless integration of controls are essential for the accelerator and the initially 6 experimental end stations. It turns out that the European XFEL will be the first installation exceeding 2500 FPGA components in the MicroTCA form factor and will run one of the largest PROFIBUS networks. Many subsystem prototypes are already successfully in operation. An overview and status of the XFEL control system will be given.
	Slides MOA3O02 [3.105 MB]
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MOPGF101	High Level Controls for the European XFEL	310
	L. Fröhlich, B. Beutner, W. Decking, O. Hensler, R. Kammering, T. Limberg, S.M. Meykopff, J. Wilgen DESY, Hamburg, Germany
	The European X-Ray Free-Electron Laser (XFEL) will generate extremely short and intense X-ray flashes from the electron beam of a 2.1 km long superconducting linear accelerator. Due to the complexity of the facility and the sheer number of subsystems and components, special emphasis needs to be placed on the automatization of procedures, on the abstraction of machine parameters, and on the development of user-friendly high-level software for the operation of the accelerator. This paper gives an overview of the ongoing work and highlights several new tools and concepts.
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TUD3O04	The Virtual European XFEL Accelerator	578
	R. Kammering, W. Decking, L. Fröhlich, O. Hensler, T. Limberg, S.M. Meykopff, K.R. Rehlich, V. Rybnikov, J. Wilgen, T. Wilksen DESY, Hamburg, Germany
	The ambitious commissioning plans for the European XFEL require that many of the high-level controls are ready from the beginning. The idea arose to create a virtual environment to carry out such developments and tests in advance, to test interfaces, software in general and the visualisation of the variety of components. Based on the experiences and on the systems that are already in operation at the FLASH facility for several years, such a virtual environment is being created. The system can already simulate most of the key components of the upcoming accelerator. Core of the system is an event synchronized data acquisition system (DAQ). The interfaces of the DAQ system towards the device level, as well as to the high-level side is utilising the same software stack as the production system does. Thus, the software can be developed and used interchangeably between the virtual and the real machine. This allows to test concepts, interfaces and identify problems and errors at an early stage. In this paper the opportunities arising from the operation of such a virtual machine will be presented. The limits in terms of the resulting complexity and physical relationships will also be shown.
	Slides TUD3O04 [3.230 MB]
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WEPGF150	A HTML5 Web Interface for JAVA DOOCS Data Display	1056
	E. Sombrowski, R. Kammering, K.R. Rehlich DESY, Hamburg, Germany
	JAVA DOOCS Data Display (JDDD) is the standard tool for developing control system panels for the FLASH facility and European XFEL. The panels are mainly started on DESY campus. For remote monitoring and expert assistance a secure, fast and light-weight access method is required. One possible solution is using HTML5 as transport protocol, because it is available on many common platforms including mobile ones. For this reason an HTML5 version of JDDD, running in a Tomcat application server, was developed. WebSocket technology is used to transfer the panel image to the browser. In the other direction, mouse events are sent back from the browser to the Tomcat server. Now thousands of existing JDDD panels can be accessed from remote using standard web technology. No special browser plugins are required. This article discusses the general issues of the web-based interaction with the control system such as security, usability, network traffic and scalability, and presents the WebSocket approach.
	Poster WEPGF150 [1.024 MB]
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Paper

Title

Page

The Large Scale European XFEL Control System: Overview and Status of the Commissioning

5

R. Bacher, A. Aghababyan, P.K. Bartkiewicz, T. Boeckmann, B. Bruns, M.R. Clausen, T. Delfs, P. Duval, L. Fröhlich, W. Gerhardt, C. Gindler, J. Hatje, O. Hensler, J.M. Jäger, R. Kammering, S. Karstensen, H. Keller, V. Kocharyan, O. Korth, A. Labudda, T. Limberg, S.M. Meykopff, M. Möller, J. Penning, A. Petrosyan, G. Petrosyan, L.P. Petrosyan, V. Petrosyan, P. Pototzki, K.R. Rehlich, S. Rettig-Labusga, H.R. Rickens, G. Schlesselmann, B. Schoeneburg, E. Sombrowski, M. Staack, C. Stechmann, J. Szczesny, J. Wilgen, T. Wilksen, H. Wu
DESY, Hamburg, Germany
S. Abeghyan, A. Beckmann, D. Boukhelef, N. Coppola, S.G. Esenov, B. Fernandes, P. Gessler, G. Giambartolomei, S. Hauf, B.C. Heisen, S. Karabekyan, M. Kumar, L.G. Maia, A. Parenti, A. Silenzi, H. Sotoudi Namin, J. Szuba, M. Teichmann, J. Tolkiehn, K. Weger, J. Wiggins, K. Wrona, M. Yakopov, C. Youngman
XFEL. EU, Hamburg, Germany

The European XFEL is a 3.4km long X-ray Free Electron Laser in the final construction and commissioning phase in Hamburg. It will produce 27000 bunches per second at 17.5GeV. Early 2015 a first electron beam was produced in the RF-photo-injector and the commissioning of consecutive sections is following during this and next year. The huge number and variety of devices for the accelerator, beam line, experiment, cryogenic and facility systems pose a challenging control task. Multiple systems, including industrial solutions, must be interfaced to each other. The high number of bunches requires a tight time synchronization (down to picoseconds) and high performance data acquisition systems. Fast feedbacks from front-ends, the DAQs and online analysis system with a seamless integration of controls are essential for the accelerator and the initially 6 experimental end stations. It turns out that the European XFEL will be the first installation exceeding 2500 FPGA components in the MicroTCA form factor and will run one of the largest PROFIBUS networks. Many subsystem prototypes are already successfully in operation. An overview and status of the XFEL control system will be given.

Slides MOA3O02 [3.105 MB]

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MOPGF101

High Level Controls for the European XFEL

310

L. Fröhlich, B. Beutner, W. Decking, O. Hensler, R. Kammering, T. Limberg, S.M. Meykopff, J. Wilgen
DESY, Hamburg, Germany

The European X-Ray Free-Electron Laser (XFEL) will generate extremely short and intense X-ray flashes from the electron beam of a 2.1 km long superconducting linear accelerator. Due to the complexity of the facility and the sheer number of subsystems and components, special emphasis needs to be placed on the automatization of procedures, on the abstraction of machine parameters, and on the development of user-friendly high-level software for the operation of the accelerator. This paper gives an overview of the ongoing work and highlights several new tools and concepts.

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

TUD3O04

The Virtual European XFEL Accelerator

578

R. Kammering, W. Decking, L. Fröhlich, O. Hensler, T. Limberg, S.M. Meykopff, K.R. Rehlich, V. Rybnikov, J. Wilgen, T. Wilksen
DESY, Hamburg, Germany

The ambitious commissioning plans for the European XFEL require that many of the high-level controls are ready from the beginning. The idea arose to create a virtual environment to carry out such developments and tests in advance, to test interfaces, software in general and the visualisation of the variety of components. Based on the experiences and on the systems that are already in operation at the FLASH facility for several years, such a virtual environment is being created. The system can already simulate most of the key components of the upcoming accelerator. Core of the system is an event synchronized data acquisition system (DAQ). The interfaces of the DAQ system towards the device level, as well as to the high-level side is utilising the same software stack as the production system does. Thus, the software can be developed and used interchangeably between the virtual and the real machine. This allows to test concepts, interfaces and identify problems and errors at an early stage. In this paper the opportunities arising from the operation of such a virtual machine will be presented. The limits in terms of the resulting complexity and physical relationships will also be shown.

Slides TUD3O04 [3.230 MB]

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WEPGF150

A HTML5 Web Interface for JAVA DOOCS Data Display

1056

E. Sombrowski, R. Kammering, K.R. Rehlich
DESY, Hamburg, Germany

JAVA DOOCS Data Display (JDDD) is the standard tool for developing control system panels for the FLASH facility and European XFEL. The panels are mainly started on DESY campus. For remote monitoring and expert assistance a secure, fast and light-weight access method is required. One possible solution is using HTML5 as transport protocol, because it is available on many common platforms including mobile ones. For this reason an HTML5 version of JDDD, running in a Tomcat application server, was developed. WebSocket technology is used to transfer the panel image to the browser. In the other direction, mouse events are sent back from the browser to the Tomcat server. Now thousands of existing JDDD panels can be accessed from remote using standard web technology. No special browser plugins are required. This article discusses the general issues of the web-based interaction with the control system such as security, usability, network traffic and scalability, and presents the WebSocket approach.

Poster WEPGF150 [1.024 MB]

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