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Wegmann, Christoph Julien ; Kronshorst, Leon ; Orth, Sebastian ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter ; Schmidt, J. S. ; Stuhl, A. ; Zipfel, Bernhard (2023)
FAIR SIS100 Accelerating RF System - Modeling and Analysis of the Coupled LLRF Control Loops.
14th International Particle Accelerator Conference. Venice, Italy (07.-12.05.2023)
doi: 10.18429/JACoW-IPAC2023-THPA099
Conference or Workshop Item, Bibliographie
Andreev, Aleksandr ; Lens, Dieter ; Klingbeil, Harald (2023)
A calibration system for hadron synchrotrons with a large frequency swing.
In: Nuclear Instruments and Methods in Physics Research Section A, 1053
doi: 10.1016/j.nima.2023.168382
Article, Bibliographie
Andreev, Aleksandr ; Lens, Dieter ; Schäfer, Stefan ; Zipfel, Bernhard ; Domont-Yankulova, Dilyana ; Klingbeil, Harald (2018)
Current status of the phase calibration of synchrotron RF reference signals.
Report, Bibliographie
Hardieck, Martin ; Lens, Dieter ; Groß, Kerstin ; Klingbeil, Harald ; Kumm, Martin ; Zipf, Peter (2018)
Signal processing hardware for single-bunch manipulation.
Report, Bibliographie
Reichardt, Benjamin ; Adamy, Jürgen ; Lens, Dieter ; Domont-Yankulova, Dilyana ; Klingbeil, Harald (2018)
Tuning rules for the digital filters of the SIS 100 longitudinal feedback system.
In: GSI-FAIR Scientific Report, 2017
Article, Bibliographie
Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2018)
Beamloading effects and their influence on cavity detuning in multi-cavity operation in SIS100.
In: GSI-Fair Scientific Report, 2017
Article, Bibliographie
Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2018)
Low-Level RF for the ESR Barrier-Bucket System.
In: GSI-FAIR Scientific Report, 2017
Article, Bibliographie
Reichardt, Benjamin ; Lens, Dieter ; Klingbeil, Harald ; Domont-Yankulova, Dilyana (2018)
Tuning of 3-Tap Bandpass Filter during Acceleration for Longitudinal Beam-Stabilization at FAIR.
9. International Particle Accelerator Conference (IPAC2018). Vancouver, Canada (29.04.2018-04.05.2018)
doi: 10.1088/1742-6596/1067/7/072026
Conference or Workshop Item, Bibliographie
Harzheim, Jens ; Domont-Yankulova, Dilyana ; Groß, Kerstin ; Klingbeil, Harald ; Frey, Michael ; Lens, Dieter (2018)
The ESR Barrier-Bucket LLRF System – Design and First Results.
Vancouver, Canada (29.04. - 4.05.)
Conference or Workshop Item, Bibliographie
Mihailescu-Stoica, Dinu ; Domont-Yankulova, Dilyana ; Lens, Dieter ; Klingbeil, Harald (2018)
Cavity Impedance Reduction Strategies During Multi Cavity Operation in the SIS100 High Intensity Hadron Synchrotron.
9th International Particle Accelerator Conference (IPAC'18). Vancouver, Canada (29.04.-04.05.2018)
doi: 10.18429/JACoW-IPAC2018-THPML088
Conference or Workshop Item, Bibliographie
Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2018)
Performance of the ESR Barrier Bucket LLRF System.
DPG-Frühjahrstagung. Würzburg (19. - 23. März 2018)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Klingbeil, Harald (2017)
A Versatile Toolchain for the Analysis of Synchrotron RF Systems' Data.
Low Level RF Workshop 2017. Barcelona, Spain (16-19.10.2017)
Conference or Workshop Item, Bibliographie
Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2017)
Status of the LLRF Development for the ESR Barrier-Bucket System.
Low Level RF Workshop 2017. Barcelona, Spain (16-19.10.2017)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Hardieck, Martin ; Groß, Kerstin ; Kumm, Martin ; Zipf, Peter (2017)
Signal processing development for the SIS100 bunch-by-bunch longitudinal
feedback.
Report, Bibliographie
Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2017)
Behavior of the planned RF feedback loops under beam loading during a
reference SIS100 cycle.
In: GSI Scientific Report, 2016
doi: 10.15120/GSI-2017-00527
Article, Bibliographie
Reichardt, Benjamin ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2017)
Feasibility of RF feedback control loops in heavy-ion synchrotrons by means of derivative estimation.
In: GSI Scientific Report, 2016
doi: 10.15120/GSI-2017-00527
Article, Bibliographie
Andreev, Aleksandr ; Lens, Dieter ; Klingbeil, Harald (2017)
Automated Phase Calibration of Reference Signals for Synchrotron RF Systems.
Workshop on Advances in Electromagnetic Research. Hirschegg, Austria (2.09-8.09)
Conference or Workshop Item, Bibliographie
Groß, Kerstin ; Domont-Yankulova, Dilyana ; Frey, Michael ; Harzheim, Jens ; Klingbeil, Harald ; Lens, Dieter (2017)
Status of LLRF for Barrier Bucket Operation at ESR.
Workshop on Advances in Electromagnetic Research. Hirschegg, Austria (2.09-8.09)
Conference or Workshop Item, Bibliographie
Reichardt, Benjamin ; Lens, Dieter ; Klingbeil, Harald ; Domont-Yankulova, Dilyana (2017)
Longitudinal Beam Stabilization at FAIR by Means of a
Derivative Estimation.
Kopenhagen, Denmark (14-19. May)
Conference or Workshop Item, Bibliographie
Andreev, Aleksandr ; Klingbeil, Harald ; Lens, Dieter (2017)
Phase Calibration of Synchrotron RF Signals.
8th International Particle Accelerator Conference. Copenhagen, Denmark (14.-19.05.2017)
doi: 10.18429/JACoW-IPAC2017-THPAB097
Conference or Workshop Item, Bibliographie
Mihailescu-Stoica, Dinu ; Domont-Yankulova, Dilyana ; Lens, Dieter ; Klingbeil, Harald (2017)
On the Impact of Empty Buckets on the Ferrite Cavity
Control Loop Dynamics in high Intensity Hadron
Synchrotrons.
Kopenhagen, Denmark (14.-19. May)
Conference or Workshop Item, Bibliographie
Klingbeil, Harald ; Balß, Robert ; Frey, Michael ; Hülsmann, Peter ; Klaus, Alexander ; König, Hans Günter ; Laier, Ulrich ; Lens, Dieter ; Ningel, Klaus-Peter (2017)
Status of the SIS100 RF Systems.
Kopenhagen, Denmark (14-19. May)
Conference or Workshop Item, Bibliographie
Reichardt, Benjamin ; Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2016)
Design and tuning of digital filters for RF feedback loops in heavy-ion synchrotrons.
Report, Bibliographie
Andreev, Aleksandr ; Lens, Dieter ; Klingbeil, Harald (2016)
Phase calibration strategies for synchrotron RF signals.
In: GSI Scientific Report, 2015
doi: 10.15120/GR-2016-1
Article, Bibliographie
Andreev, Aleksandr ; Klingbeil, Harald ; Lens, Dieter (2016)
Phase calibration strategies for synchrotron RF signals.
Frühjahrstagung der Deutschen Physikalischen Gesellschaft 2016. Darmstadt, Germany (14.-18.03.2016)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Hartel, Uta ; Klingbeil, Harald ; Zipfel, Bernhard ; Groß, Kerstin ; Adamy, Jürgen ; Reichardt, Benjamin ; Kumm, M. ; Möller, Konrad ; Zipf, P. (2015)
Progress in damping of longitudinal beam oscillations during acceleration.
In: GSI Scientific Report, 2014
doi: 10.15120/GR-2015-1-FG-GENERAL-29
Article, Bibliographie
Groß, Kerstin ; Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2015)
Verification of the longitudinal feedback topology in SIS18.
In: GSI Scientific Report, 2014
Article, Bibliographie
Andreev, Aleksandr ; Lens, Dieter ; Klingbeil, Harald (2015)
Phase calibration of synchrotron RF signals.
In: GSI Scientific Report
Article, Bibliographie
Groß, Kerstin ; Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2015)
Bunch-by-Bunch Longitudinal RF Feedback for Beam Stabilization at FAIR.
International Particle Accelerator Conference (IPAC2015). Richmond, Virginia, USA
Conference or Workshop Item, Bibliographie
Frey, Michael ; Balß, Robert ; Christoph, Calina ; Disser, Oliver ; Fleischmann, Gerhard ; Groß, Kerstin ; Hartel, Uta ; Hülsmann, Peter ; Jatta, Sandro ; Klaus, Alexander ; Klingbeil, Harald ; König, Hans Günter ; Laier, Ulrich ; Lens, Dieter ; Mondry, Darius ; Ningel, Klaus-Peter ; Richter, Helmut ; Schäfer, Stefan ; Thielmann, Christof ; Winnefeld, Thomas ; Zipfel, Bernhard (2015)
Status of the Ring RF Systems for FAIR.
International Particle Accelerator Conference (IPAC2015). Richmond, Virginia, USA
Conference or Workshop Item, Bibliographie
Grieser, Jochen ; Adamy, Jürgen ; Ferrand, Thibault ; Groß, Kerstin ; Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2014)
A digital beam-phase control system for a heavy-ion synchrotron with a dual-harmonic cavity system.
In: IEEE Transactions on Nuclear Science, 61 (6)
Article, Bibliographie
Grieser, Jochen ; Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2014)
Beam Phase Feedback for Dual-Harmonic Operation of RF Cavity Systems.
Report, Bibliographie
Faulwasser, Timm ; Lens, Dieter ; Kellett, Christopher M. (2014)
Predictive control for longitudinal beam dynamics in heavy ion synchrotrons.
Conference or Workshop Item, Bibliographie
Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter (2014)
Theoretical Foundations of Synchrotron and Storage Ring RF Systems (Particle Acceleration and Detection).
Book, Bibliographie
Lens, Dieter ; Faulwasser, Timm ; Kelett, Christopher M. (2014)
Ansätze zur modellprädiktiven Regelung der longitudinalen Strahldynamik in Synchrotrons.
Conference or Workshop Item, Bibliographie
Möller, Konrad ; Kumm, Martin ; Zipf, Peter ; Groß, Kerstin ; Lens, Dieter ; Klingbeil, Harald (2014)
FPGA based tunable digital filtering for closed loop RF control in synchrotrons.
Report, Bibliographie
Zipfel, Bernhard ; Laier, Ulrich ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Thielmann, Christof ; Hartel, Uta ; Lens, Dieter ; Klingbeil, Harald (2014)
Generation of RF frequency and phase references on the FAIR site.
Conference or Workshop Item, Bibliographie
Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2014)
Impact of simplified stationary cavity beam loading on the longitudinal feedback system for SIS100.
5th International Particle Accelerator Conference (IPAC2014). Dresden, Germany (15.-20.06.2014)
doi: 10.18429/JACoW-IPAC2014-TUPRI073
Conference or Workshop Item, Bibliographie
Faulwasser, Timm ; Lens, Dieter ; Kellett, Christopher M. (2014)
Offset-free output feedback predictive control for longitudinal beam dynamics in heavy ion synchrotrons.
Conference or Workshop Item, Bibliographie
Lens, Dieter (2013)
Ein Finite-Differenzen Ansatz zur Reglersynthese.
GMA Fachausschuss 1.40 "Theoretische Verfahren der Regelungstechnik". Salzburg, Österreich (16.-18. Sep. 2013)
Conference or Workshop Item, Bibliographie
Grieser, Jochen ; Bug, Daniel ; Lens, Dieter ; Klingbeil, Harald ; Adamy, Jürgen (2013)
Comparison of Filter Designs for a Digital Beam-Phase Feedback System in a Heavy-Ion Synchrotron.
IEEE Mediterranean Conference on Control and Automation. Platanias-Chania, Greece (25.-28. June 2013)
Conference or Workshop Item, Bibliographie
Groß, Kerstin ; Lens, Dieter (2013)
Modeling longitudinal bunched beam dynamics in hadron synchrotrons using scaled Fourier-Hermite expansions.
4th International Particle Accelerator Conference. Shanghai, China (12.-17.05.2013)
Conference or Workshop Item, Bibliographie
Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard ; Grieser, Jochen ; Lens, Dieter (2013)
Precise verification of phase and amplitude calibration by means of a debunching experiment in SIS18.
4th International Particle Accelerator Conference. Shanghai, China (12.-17.05.2013)
Conference or Workshop Item, Bibliographie
Grieser, Jochen ; Lens, Dieter ; Hartel, Uta ; Klingbeil, Harald ; Laier, Ulrich ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2013)
A digital beam-phase control system for a heavy-ion synchrotron with a double-harmonic cavity system.
4th International Particle Accelerator Conference. Shanghai, China (12.-17.05.2013)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Klingbeil, Harald (2013)
Stability of longitudinal bunch length feedback for heavy-ion synchrotrons.
In: Phys. Rev. ST Accel. Beams, 16 (3)
Article, Bibliographie
Groß, K. ; Lens, Dieter (2013)
Modeling Longitudinal Bunched Beam Dynamics in Hadron Synchrotrons Using Scaled Fourier-Hermite Expansions.
Proceedings of the 4th International Particle Accelerator Conference.
Conference or Workshop Item, Bibliographie
Hartel, Uta ; Grieser, Jochen ; Lens, Dieter ; Klaus, Alexander ; Klingbeil, Harald ; Laier, Ulrich ; Ningel, Klaus-Peter ; Schäfer, Stefan ; Zipfel, Bernhard (2013)
Verification of the RF system calibration by means of a debunching experiment in SIS18.
Report, Bibliographie
Grieser, Jochen ; Lens, Dieter ; Klingbeil, Harald ; Adamy, Jürgen (2012)
A Method to Obtain the Frequency of the Longitudinal Dipole Oscillation for Modeling and Control in Synchrotrons with Single or Double Harmonic RF Systems.
3rd International Particle Accelerator Conference (IPAC'12). New Orleans, USA (21.-25.05.2012)
Conference or Workshop Item, Bibliographie
Lens, Dieter (2012)
Modeling and Control of Longitudinal Single-Bunch Oscillations in Heavy-Ion Synchrotrons.
Technische Universität Darmstadt
Ph.D. Thesis, Bibliographie
Lens, Dieter ; Adamy, Jürgen ; Groß, Kerstin ; Klingbeil, Harald (2012)
Control theory for RF feedback and longitudinal beam stability.
Report, Bibliographie
Groß, Kerstin ; Lens, Dieter ; Klingbeil, Harald (2011)
Modeling Longitudinal Beam Dynamics by Combining Fourier
Coefficients and Moments.
Low-Level Radio Frequency Workshop. DESY, Hamburg (17-20 Oktober 2011)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Grieser, Jochen ; Klingbeil, Harald (2011)
Longitudinal Closed-Loop Beam Control in Heavy Ion Synchrotrons: Simulation Methods and Results.
International Conference on Simulation Technology. Stuttgart (14.-17. Juni 2011)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Klingbeil, Harald (2011)
RF Feedback Performance for Bunch Length Oscillations in Synchrotrons.
Workshop on Advances in Electromagnetic Research. Riezlern, Österreich (20.-26. August 2011)
Conference or Workshop Item, Bibliographie
Klingbeil, Harald ; Lens, Dieter ; Mehler, Monika ; Zipfel, Bernhard (2010)
Modeling Longitudinal Oscillations of Bunched Beams in Synchrotrons.
doi: 10.48550/arXiv.1011.3957
Report, Bibliographie
Lens, Dieter ; Klingbeil, Harald ; Gußner, Thomas ; Popescu, Andreea ; Groß, Kerstin (2010)
Damping of longitudinal modes in heavy-ion synchrotrons by RF-feedback.
2010 IEEE Multi-Conference on Systems and Control. Yokohama, Japan (8.-10. September 2010)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Adamy, Jürgen ; Klingbeil, Harald (2010)
Modellierung und Regelung von HF-Systemen in Schwerionensynchrotrons.
44. Regelungstechnisches Kolloquium. Boppard, Germany (17.-19.02.2010)
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Klingbeil, Harald ; Adamy, Jürgen (2009)
Analysis of Several RF Control Loops using Control Theory Methods.
In: GSI Scientific Report, 2009 (1)
Article, Bibliographie
Lens, Dieter ; Hülsmann, P. ; Klingbeil, Harald (2009)
Beam Loading Effects on the RF Control Loops of a Double-Harmonic Cavity System for FAIR.
Proceedings of the 2009 Particle Accelerator Conference.
Conference or Workshop Item, Bibliographie
Lens, Dieter ; Hülsmann, Peter ; Klingbeil, Harald (2009)
Beam Loading Effects on the RF Control Loops of a Double-Harmonic Cavity System for FAIR.
Proceedings of the 2009 Particle Accelerator Conference.
Conference or Workshop Item, Bibliographie