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

Reichardt, Benjamin ; Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2023)
Design and tuning of digital filters for RF feedback loops in heavy-ion synchrotrons.
doi: 10.26083/tuprints-00023266
Report, Secondary publication, Publisher's Version

Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2021)
Beamloading effects and their influence on cavity detuning in multi-cavity operation in SIS100.
doi: 10.26083/tuprints-00017614
Report, Secondary publication, Publisher's Version

Mihailescu-Stoica, Dinu ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Klingbeil, Harald ; Lens, Dieter (2021)
Behavior of the planned RF feedback loops under beam loading during a reference SIS100 cycle.
doi: 10.26083/tuprints-00019418
Report, Secondary publication, Publisher's Version

Mihailescu-Stoica, Dinu ; Domont-Yankulova, Dilyana ; Lens, Dieter ; Klingbeil, Harald (2021)
Cavity Impedance Reduction Strategies During Multi Cavity Operation in the SIS100 High Intensity Hadron Synchrotron.
9. International Particle Accelerator Conference (IPAC2018). Vancouver, Kanada (29.04.-04.05.2018)
doi: 10.26083/tuprints-00017654
Conference or Workshop Item, Secondary publication, Publisher's Version

Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2021)
The ESR Barrier-Bucket LLRF System - Design and First Results.
9. International Particle Accelerator Conference (IPAC2018). Vancouver, Canada (29.04.-04.05.2018)
doi: 10.26083/tuprints-00017652
Conference or Workshop Item, Secondary publication, Publisher's Version

Reichardt, Benjamin ; Adamy, Jürgen ; Domont-Yankulova, Dilyana ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2021)
Feasibility of RF feedback control loops in heavy-ion synchrotrons by means of derivative estimation.
doi: 10.26083/tuprints-00019417
Report, Secondary publication, Publisher's Version

Reichardt, Benjamin ; Lens, Dieter ; Klingbeil, Harald ; Domont-Yankulova, Dilyana (2021)
Tuning of 3-tap Bandpass Filter During Acceleration for Longitudinal Beam Stabilization at FAIR.
9. International Particle Accelerator Conference (IPAC2018). Vancouver, Canada (29.04.-04.05.2018)
doi: 10.26083/tuprints-00017647
Conference or Workshop Item, Secondary publication, Publisher's Version

Reichardt, Benjamin ; Adamy, Jürgen ; Lens, Dieter ; Domont-Yankulova, Dilyana ; Klingbeil, Harald (2021)
Tuning rules for the digital filters of the SIS 100 longitudinal feedback system.
doi: 10.26083/tuprints-00017587
Report, Secondary publication, Publisher's Version

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

Hardieck, Martin ; Lens, Dieter ; Groß, Kerstin ; Klingbeil, Harald ; Kumm, Martin ; Zipf, Peter (2018)
Signal processing hardware for single-bunch manipulation.
Report

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

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

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

Reichardt, Benjamin ; Lens, Dieter ; Klingbeil, Harald ; Domont-Yankulova, Dilyana (2018)
Tuning of 3-Tap Bandpass Filter during Acceleration for Longitudinal Beam-Stabilization at FAIR.
Vancouver, Canada (29.04. - 4.05.)
Conference or Workshop Item

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

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

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

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

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

Lens, Dieter ; Hardieck, Martin ; Groß, Kerstin ; Kumm, Martin ; Zipf, Peter (2017)
Signal processing development for the SIS100 bunch-by-bunch longitudinal feedback.
Report

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

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

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

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

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

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

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

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

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

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

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

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

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

Andreev, Aleksandr ; Lens, Dieter ; Klingbeil, Harald (2015)
Phase calibration of synchrotron RF signals.
In: GSI Scientific Report
Article

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

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

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

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

Faulwasser, Timm ; Lens, Dieter ; Kellett, Christopher M. (2014)
Predictive control for longitudinal beam dynamics in heavy ion synchrotrons.
Conference or Workshop Item

Klingbeil, Harald ; Laier, Ulrich ; Lens, Dieter (2014)
Theoretical Foundations of Synchrotron and Storage Ring RF Systems (Particle Acceleration and Detection).
Book

Lens, Dieter ; Faulwasser, Timm ; Kelett, Christopher M. (2014)
Ansätze zur modellprädiktiven Regelung der longitudinalen Strahldynamik in Synchrotrons.
Conference or Workshop Item

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

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

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

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

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

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

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

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

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

Lens, Dieter ; Klingbeil, Harald (2013)
Stability of longitudinal bunch length feedback for heavy-ion synchrotrons.
In: Phys. Rev. ST Accel. Beams, 16 (3)
Article

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

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

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

Lens, Dieter (2012)
Modeling and Control of Longitudinal Single-Bunch Oscillations in Heavy-Ion Synchrotrons.
TU Darmstadt
Ph.D. Thesis

Lens, Dieter ; Adamy, Jürgen ; Groß, Kerstin ; Klingbeil, Harald (2012)
Control theory for RF feedback and longitudinal beam stability.
Report

Lens, Dieter (2012)
Modeling and Control of Longitudinal Single-Bunch Oscillations in Heavy-Ion Synchrotrons.
Book, Primary publication

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

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

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

Klingbeil, Harald ; Lens, Dieter ; Mehler, Monika ; Zipfel, Bernhard (2010)
Modeling Longitudinal Oscillations of Bunched Beams in Synchrotrons.
Report

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

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

Lens, Dieter ; Klingbeil, Harald ; Adamy, Jürgen (2009)
Analysis of Several RF Control Loops using Control Theory Methods.
In: GSI Scientific Report 2008
Article

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

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