Cyclotrons2019 - List of Keywords (controls)

Paper	Title	Other Keywords	Page
MOB02	Progress With a New Radioisotope Production Facility and Construction of Radioactive Beam Facility at iThemba LABS	target, cyclotron, ion-source, isotope-production	17
	J.L. Conradie, J.K. Abraham, H. Anderson, L.S. Anthony, F. Azaiez, S. Baard, R.A. Bark, A.H. Barnard, P. Beukes, J.I. Broodryk, B. Cornelius, J.C. Cornell, J.G. De Villiers, H. Du Plessis, W. Duckitt, D.T. Fourie, M.E. Hogan, I.H. Kohler, C. Lussi, J. Mira, H.W. Mostert, C. Naidoo, F. Nemulodi, M. Sakieldien, V.F. Spannenberg, G.F. Steyn, N. Stodart, I.L. Strydom, R.W. Thomae, M.J. Van Niekerk, P.A. van Schalkwyk iThemba LABS, Somerset West, South Africa
	With the termination of the neutron and proton therapy programs at iThemba LABS, the use of the Separated Sector Cyclotron (SSC) has now shifted to nuclear physics research with both stable and radioactive ion beams, as well as biomedical research. A dedicated isotope production facility with a commercial 70 MeV H-minus cyclotron has been approved and both the cyclotron and isotope production target stations will be housed in the vaults that were previously used for the therapy programs. The status of this new facility will be reported. In the future the SSC will mostly be used for nuclear physics research, as well as the production of isotopes that cannot be produced with the 70 MeV H-minus cyclotron. At present the production of the alpha-emitting radionuclide Astatine (211At) with a 28 MeV alpha beam is being investigated. Progress with the construction of a facility for production of radioactive beams will be discussed. There will also be reports on development work on the ECR ion sources and progress with implementation of an EPICS control system.
	Slides MOB02 [10.580 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOB02
About •	paper received ※ 13 August 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020
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MOP001	Design and Commissioning of RF System for SC200 Cyclotron	cavity, cyclotron, MMI, LLRF	21
	G. Chen, C. Chao, Y. Chen, K.Z. Ding, G. Liu, X.Y. Long, Z. Peng, Y. Song, C. Yu, X. Zhang, Y. Zhao ASIPP, Hefei, People’s Republic of China L. Calabretta, A.C. Caruso INFN/LNS, Catania, Italy O. Karamyshev JINR/DLNP, Dubna, Moscow region, Russia G.A. Karamysheva, G. Shirkov JINR, Dubna, Moscow Region, Russia
	The SC200 proton therapy superconducting cyclotron is currently under construction by ASIPP (Hefei, China) and JINR (Dubna, Russia). The radio frequency (RF) system which provides an accelerating electric field for the particles, has been designed and tested in a high-power commissioning. The RF system consists of RF cavity, Low-level RF control system, RF source, transmission network and so on. The main performances of RF cavity meet design and use requirements in the cold test. The RF cavity achieved with an unload Q factor of 5200 at the resonant frequency of 91.5 MHz, 60 kV (Center)~120 kV (Extraction) accelerating voltage and coupling state of S11 <-30 dB. The low-level RF (LLRF) system has been tested with an amplitude stability of <0.2% and a phase stability of <0.1 degree in the high-power commissioning. What is more, the cavity operated in a ~50 kW continuous wave state after 4 weeks RF conditioning. Some risks have exposed at higher power test, but related solutions and improvements have been developed. In future work, the target of RF system is effective operation under the overall assembly of cyclotron after further optimization and RF conditioning.
	Poster MOP001 [0.720 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP001
About •	paper received ※ 09 September 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020
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MOP011	Magnetic Field Measurement and Shimming for a Medical Compact Cyclotron	cyclotron, MMI, proton, monitoring	48
	L.L. Guan, S. An, T. Cui, P. Huang, X.L. Jia, M. Li, F. Wang, T.J. Zhang CIAE, Beijing, People’s Republic of China
	A compact cyclotron is developed by Cyclotron Accelerator Research Center at China Institute of Atomic Energy (CIAE) to extract 14 MeV proton beam for medical radioisotopes production, so as to meet the market demands of early diagnosis of malignant tumors, cardiovascular and cerebrovascular diseases. Owing to the small size and limited space of small medical cyclotrons, critical requirements are imposed on magnetic field measurement. For this reason, a magnetic field measurement system, with high-precision and high-stability, suitable for small cyclotrons is adopted and then an efficient magnetic field shimming method is used, which greatly reduces the construction period. It provides a strong guarantee for the stable operation of medical small cyclotrons.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP011
About •	paper received ※ 15 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020
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MOP032	Control System in 10 MeV Cyclotron Based on IoT	cyclotron, cavity, monitoring, network	106
	M. Mohamadian, H. Afarideh, S. Babaee, H. Pashaei, N. Salmani AUT, Tehran, Iran M. Ghergherehchi SKKU, Suwon, Republic of Korea
	The Internet of Things (IoT) is one of the new most advanced technologies in the world. One of the application of this technology is using it in places where remote control is preferred or it needs to control various processes at different times throughout the day. The cyclotron accelerator is one such system in which the start-up process until radio medicine production requires continuous monitoring and inspection. In this research, we have tried to use the internet of things technology in the process of cyclotron control system specially in fine tuning section.
	Poster MOP032 [0.936 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP032
About •	paper received ※ 14 September 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020
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TUB04	On-Line Dynamic Beam Intensity Control in a Proton Therapy Cyclotron	cyclotron, proton, power-supply, operation	148
	S. Psoroulas, P. Fernandez Carmona, D. Meer, D.C. Weber PSI, Villigen PSI, Switzerland D.C. Weber KRO, Bern, Switzerland D.C. Weber University of Zurich, University Hospital, Zurich, Switzerland
	Modern proton therapy facilities use the pencil beam scanning (PBS) technique for the treatment of tumours: the beam is scanned through the tumour volume sequentially, i.e. stopping the beam at each position in the tumour for the amount of time necessary to deliver the prescribed dose for that position, and then moving to the next position (dose-driven delivery). This technique is robust against fluctuations in the beam current. Modern cyclotrons however offer very stable beam currents, and allow regulating the beam intensity online to match the requested beam intensity profile as a function of time (’time-driven’ delivery). To realise time-driven delivery at the COMET cyclotron at PSI, we have designed a beam intensity controller* which is able to partially compensate for the non-linearity and the delay introduced by the physical limitations of the beam line elements and its drivers; this is particularly important when trying to achieve a very fast modulation of the beam, as required by the clinical plans. Experimental results have shown good performance for most current clinical scenarios, though we are investigating more advanced solutions for higher dose rates scenarios. () Klimpki, G., et al. (2018). PMB, 63(14), 145006 (*) Fernandez Carmona, P., et al., (2018) Proceedings of PCaPAC2018, FRCC2
	Slides TUB04 [10.992 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUB04
About •	paper received ※ 14 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020
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TUP004	Integration of EtherCAT Hardware Into the EPICS Based Distributed Control System at iThemba LABS	EPICS, hardware, software, cyclotron	152
	J.K. Abraham, W. Duckitt iThemba LABS, Somerset West, South Africa
	iThemba Laboratory for Accelerator Based Sciences (iThemba LABS) has, over the past 30 years, carried out several upgrades to its control electronics and software. This culminated in the adoption of EPICS as the de-facto distributed control system at the lab. In order to meet the changing technology and user requirements, iThemba LABS adopted EtherCAT as its new industrial communication standard. Building on an open EtherCAT master implementation and prior community development, iThemba LABS has successfully integrated a variety of EtherCAT hardware into its EPICS control system. This paper presents the open source software toolchain that has been developed and is used at iThemba LABS and showcases several hardware installations at the facility and abroad. Community involvement and future plans for this initiative are also presented.
	Poster TUP004 [2.679 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP004
About •	paper received ※ 12 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020
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TUP007	Operational Experience in the Treatment of Ocular Melanomas with a New Digital Low-level RF Control System	LLRF, cyclotron, operation, resonance	162
	T. Fanselow, J. Bundesmann, A. Denker, U. Hiller HZB, Berlin, Germany J.K. Abraham, J.L. Conradie, W. Duckitt iThemba LABS, Somerset West, South Africa
	Ocular melanomas have been treated for the last 20 years at the Helmholtz-Zentrum Berlin in collaboration with the Charité Universitätsmedizin Berlin. However, parts of the initial control system electronics date back to the 1970s, when the machine was installed. Facing a critical shortage of legacy and obsolete components and with the down-time due to failures in the electronics on the increase, a decision was made to install the digital low-level RF control system, developed by iThemba LABS, on our K=132 cyclotron. A short description of the installation and commissioning process, which occurred in April 2017, and the experiences of the first 2 years of operation with the new digital low-level RF control system is presented.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP007
About •	paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUP026	Embedded Local Controller for the CS-30 Cyclotron	cyclotron, radiation, ISOL, interface	215
	A.M. Hendy, F.M. Alrumayan King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Kingdom of Saudi Arabia H.A. Kassim KSU, Riyadh, Kingdom of Saudi Arabia
	Funding: This project was supported by the NSTIP Strategic Technologies Program in the Kingdom of Saudi Arabia, award no. 14-MAT-1233-20. The Embedded Local Controller is used for the purpose of upgrading our old CS-30 cyclotron control system. It is installed inside the cyclotron vault and connected to the control room using CAN serial bus. This is to avoid adding more wires from cyclotron vault to the outside, because there is no room for extra wires in the feedthrough conduits. The system is carefully designed to be fault tolerant so that it can run in a radiation environment without failure. Details of the design and field test results are presented.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP026
About •	paper received ※ 15 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020
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TUP030	Reinforcement Learning Based RF Control System for Accelerator Mass Spectrometry	cyclotron, resonance, network, cavity	227
	H.S. Kim, J.-S. Chai, Kh.M. Gad, M. Ghergherehchi, D.H. Ha, J.C. Lee, H. Namgoong SKKU, Suwon, Republic of Korea
	Funding: Radiation Technology R&D program through the National Research Foundation of Korea funded by the Ministry of Science, ICT & Future Planning through the National Research Foundation of Korea Accelerator Mass Spectrometry (AMS) is a powerful method for separating rare isotopes and electrostatic type tandem accelerators have been widely used. At SungKyunKwan University, we are developing a AMS that can be used in a small space with higher resolution based on cyclotron. In contrast to the cyclotron used in conventional PET or proton therapy, the cyclotron-based AMS is characterized by high turn number and low dee voltage for high resolution. It is designed to accelerate not only 14C but also 13C or 12C. The AMS cyclotron RF control model has nonlinear characteristics due to the variable beam loading effect due to the acceleration of various particles and injected sample amounts. In this work, we proposed an AMS control system based on reinforcement learning. The proposed reinforcement learning finds the target control value in response to the environment through the learning process. We have designed a reinforcement learning based controller with RF system as an environment and verified the reinforcement learning based controller designed through the modeled cavity.
	Poster TUP030 [0.527 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP030
About •	paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020
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TUC02	Status of the HZB Cyclotron	radiation, proton, cyclotron, experiment	253
	A. Denker, J. Bundesmann, T. Damerow, T. Fanselow, D. Hildebrand, U. Hiller, I. Kailouh, G. Kourkafas, S. Ozierenski, C. Rethfeldt, J. Röhrich, S. Seidel, C. Zimmer HZB, Berlin, Germany D. Cordini, J. Heufelder, R. Stark, A. Weber Charite, Berlin, Germany
	For more than 20 years eye tumours are treated in collaboration with the Charité - Universitätsmedizin Berlin. The close co-operation between Charité and HZB permits joint interdisciplinary research. Irradiations with either a sharp, well focused or a broad beam, either in vacuum or in air are possible. In addition, a 60Co-source for gamma-irradiations is available. Experiments now comprise dosimetry, detector comparisons, ambulant mouse irradiations, including class I gene-modified mice. Furthermore, radiation hardness tests on detectors, CCD-cameras and other electronics are performed. In order to improve the beam diagnosis between the 2 MV injector Tandetron and the cyclotron a harp has been installed, leading to new beam line calculations for the injection line. The accelerator operation for therapy as well as on-going experiments and results will be presented.
	Slides TUC02 [1.965 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUC02
About •	paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020
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TUC03	AGOR Status Report	radiation, cyclotron, operation, experiment	256
	B.N. Jones, S. Brandenburg, M.-J. van Goethem KVI-CART, Groningen, The Netherlands
	Funding: Work supported by EU Horizon 2020 (contract nrs. 654002; 730983) and the Dutch Cancer Foundation KWF project 11766) TThe operations of the superconducting cyclotron AG-OR over the past years will be reviewed. Reliability issues encountered after nearly 25 years of operation and mitigation measures to warrant reliable operation for the coming decade will be discussed. The research performed with AGOR has significantly shifted from fundamental physics to radiation biology and medical radiation physics, both in collaboration with the Groningen Proton Therapy Center, and radiation hardness studies. The radiation biology research will be substantially expanded in the coming years with a new beam line for image guided preclinical research. For this research new dose delivery modalities including scanning, spatial fractionation and very high dose rates are developed. In addition a new program has been started on the production of exotic nuclei, for which a new superconducting solenoid fragment separator will be developed. For the radiation hardness testing a cocktail beam at 30 MeV/amu with several ion species up to Xe has been developed and is now routinely delivered for experiments. A cocktail at 15 MeV/amu up to Bi is under development.
	Slides TUC03 [4.632 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUC03
About •	paper received ※ 14 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020
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THA03	React Automation Studio: A New Face to Control Large Scientific Equipment	EPICS, GUI, interface, cyclotron	285
	W. Duckitt, J.K. Abraham iThemba LABS, Somerset West, South Africa
	A new software platform to enable the control of large scientific equipment through EPICS has been designed. The system implements a modern tool chain with a React frontend and a PyEpics backend as a progressive web application. This enables efficient and responsive cross platform and cross device operation. A general overview of React Automation Studio as well as the system architecture, implementation at iThemba LABs, community involvement and future plans for the system is presented.
	Slides THA03 [276.798 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-THA03
About •	paper received ※ 13 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020
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THC03	Design of Accelerator Mass Spectrometry Based on a Cyclotron	cyclotron, resonance, ion-source, network	314
	H. Namgoong, J.-S. Chai, M. Ghergherehchi, D.H. Ha, H.S. Kim, J.C. Lee SKKU, Suwon, Republic of Korea
	In this paper, we present a cyclotron-based accelerator mass spectrometry system. Conventional AMS systems use tandem accelerators for generating carbon-14 beams. We have developed an ion source, RF buncher, cyclotron, triplet quadrupole, detector and dipole magnet for an AMS system.
	Slides THC03 [9.741 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-THC03
About •	paper received ※ 15 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020
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Paper

Title

Other Keywords

Page

MOB02

Progress With a New Radioisotope Production Facility and Construction of Radioactive Beam Facility at iThemba LABS

target, cyclotron, ion-source, isotope-production

17

J.L. Conradie, J.K. Abraham, H. Anderson, L.S. Anthony, F. Azaiez, S. Baard, R.A. Bark, A.H. Barnard, P. Beukes, J.I. Broodryk, B. Cornelius, J.C. Cornell, J.G. De Villiers, H. Du Plessis, W. Duckitt, D.T. Fourie, M.E. Hogan, I.H. Kohler, C. Lussi, J. Mira, H.W. Mostert, C. Naidoo, F. Nemulodi, M. Sakieldien, V.F. Spannenberg, G.F. Steyn, N. Stodart, I.L. Strydom, R.W. Thomae, M.J. Van Niekerk, P.A. van Schalkwyk
iThemba LABS, Somerset West, South Africa

With the termination of the neutron and proton therapy programs at iThemba LABS, the use of the Separated Sector Cyclotron (SSC) has now shifted to nuclear physics research with both stable and radioactive ion beams, as well as biomedical research. A dedicated isotope production facility with a commercial 70 MeV H-minus cyclotron has been approved and both the cyclotron and isotope production target stations will be housed in the vaults that were previously used for the therapy programs. The status of this new facility will be reported. In the future the SSC will mostly be used for nuclear physics research, as well as the production of isotopes that cannot be produced with the 70 MeV H-minus cyclotron. At present the production of the alpha-emitting radionuclide Astatine (211At) with a 28 MeV alpha beam is being investigated. Progress with the construction of a facility for production of radioactive beams will be discussed. There will also be reports on development work on the ECR ion sources and progress with implementation of an EPICS control system.

Slides MOB02 [10.580 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOB02

About •

paper received ※ 13 August 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020

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

MOP001

Design and Commissioning of RF System for SC200 Cyclotron

cavity, cyclotron, MMI, LLRF

21

G. Chen, C. Chao, Y. Chen, K.Z. Ding, G. Liu, X.Y. Long, Z. Peng, Y. Song, C. Yu, X. Zhang, Y. Zhao
ASIPP, Hefei, People’s Republic of China
L. Calabretta, A.C. Caruso
INFN/LNS, Catania, Italy
O. Karamyshev
JINR/DLNP, Dubna, Moscow region, Russia
G.A. Karamysheva, G. Shirkov
JINR, Dubna, Moscow Region, Russia

The SC200 proton therapy superconducting cyclotron is currently under construction by ASIPP (Hefei, China) and JINR (Dubna, Russia). The radio frequency (RF) system which provides an accelerating electric field for the particles, has been designed and tested in a high-power commissioning. The RF system consists of RF cavity, Low-level RF control system, RF source, transmission network and so on. The main performances of RF cavity meet design and use requirements in the cold test. The RF cavity achieved with an unload Q factor of 5200 at the resonant frequency of 91.5 MHz, 60 kV (Center)~120 kV (Extraction) accelerating voltage and coupling state of S11 <-30 dB. The low-level RF (LLRF) system has been tested with an amplitude stability of <0.2% and a phase stability of <0.1 degree in the high-power commissioning. What is more, the cavity operated in a ~50 kW continuous wave state after 4 weeks RF conditioning. Some risks have exposed at higher power test, but related solutions and improvements have been developed. In future work, the target of RF system is effective operation under the overall assembly of cyclotron after further optimization and RF conditioning.

Poster MOP001 [0.720 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP001

About •

paper received ※ 09 September 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020

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MOP011

Magnetic Field Measurement and Shimming for a Medical Compact Cyclotron

cyclotron, MMI, proton, monitoring

48

L.L. Guan, S. An, T. Cui, P. Huang, X.L. Jia, M. Li, F. Wang, T.J. Zhang
CIAE, Beijing, People’s Republic of China

A compact cyclotron is developed by Cyclotron Accelerator Research Center at China Institute of Atomic Energy (CIAE) to extract 14 MeV proton beam for medical radioisotopes production, so as to meet the market demands of early diagnosis of malignant tumors, cardiovascular and cerebrovascular diseases. Owing to the small size and limited space of small medical cyclotrons, critical requirements are imposed on magnetic field measurement. For this reason, a magnetic field measurement system, with high-precision and high-stability, suitable for small cyclotrons is adopted and then an efficient magnetic field shimming method is used, which greatly reduces the construction period. It provides a strong guarantee for the stable operation of medical small cyclotrons.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP011

About •

paper received ※ 15 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020

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MOP032

Control System in 10 MeV Cyclotron Based on IoT

cyclotron, cavity, monitoring, network

106

M. Mohamadian, H. Afarideh, S. Babaee, H. Pashaei, N. Salmani
AUT, Tehran, Iran
M. Ghergherehchi
SKKU, Suwon, Republic of Korea

The Internet of Things (IoT) is one of the new most advanced technologies in the world. One of the application of this technology is using it in places where remote control is preferred or it needs to control various processes at different times throughout the day. The cyclotron accelerator is one such system in which the start-up process until radio medicine production requires continuous monitoring and inspection. In this research, we have tried to use the internet of things technology in the process of cyclotron control system specially in fine tuning section.

Poster MOP032 [0.936 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-MOP032

About •

paper received ※ 14 September 2019 paper accepted ※ 24 September 2019 issue date ※ 20 June 2020

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TUB04

On-Line Dynamic Beam Intensity Control in a Proton Therapy Cyclotron

cyclotron, proton, power-supply, operation

148

S. Psoroulas, P. Fernandez Carmona, D. Meer, D.C. Weber
PSI, Villigen PSI, Switzerland
D.C. Weber
KRO, Bern, Switzerland
D.C. Weber
University of Zurich, University Hospital, Zurich, Switzerland

Modern proton therapy facilities use the pencil beam scanning (PBS) technique for the treatment of tumours: the beam is scanned through the tumour volume sequentially, i.e. stopping the beam at each position in the tumour for the amount of time necessary to deliver the prescribed dose for that position, and then moving to the next position (dose-driven delivery). This technique is robust against fluctuations in the beam current. Modern cyclotrons however offer very stable beam currents, and allow regulating the beam intensity online to match the requested beam intensity profile as a function of time (’time-driven’ delivery). To realise time-driven delivery at the COMET cyclotron at PSI*, we have designed a beam intensity controller** which is able to partially compensate for the non-linearity and the delay introduced by the physical limitations of the beam line elements and its drivers; this is particularly important when trying to achieve a very fast modulation of the beam, as required by the clinical plans. Experimental results have shown good performance for most current clinical scenarios, though we are investigating more advanced solutions for higher dose rates scenarios.
(*) Klimpki, G., et al. (2018). PMB, 63(14), 145006
(**) Fernandez Carmona, P., et al., (2018) Proceedings of PCaPAC2018, FRCC2

Slides TUB04 [10.992 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUB04

About •

paper received ※ 14 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020

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

TUP004

Integration of EtherCAT Hardware Into the EPICS Based Distributed Control System at iThemba LABS

EPICS, hardware, software, cyclotron

152

J.K. Abraham, W. Duckitt
iThemba LABS, Somerset West, South Africa

iThemba Laboratory for Accelerator Based Sciences (iThemba LABS) has, over the past 30 years, carried out several upgrades to its control electronics and software. This culminated in the adoption of EPICS as the de-facto distributed control system at the lab. In order to meet the changing technology and user requirements, iThemba LABS adopted EtherCAT as its new industrial communication standard. Building on an open EtherCAT master implementation and prior community development, iThemba LABS has successfully integrated a variety of EtherCAT hardware into its EPICS control system. This paper presents the open source software toolchain that has been developed and is used at iThemba LABS and showcases several hardware installations at the facility and abroad. Community involvement and future plans for this initiative are also presented.

Poster TUP004 [2.679 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP004

About •

paper received ※ 12 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020

Export •

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

TUP007

Operational Experience in the Treatment of Ocular Melanomas with a New Digital Low-level RF Control System

LLRF, cyclotron, operation, resonance

162

T. Fanselow, J. Bundesmann, A. Denker, U. Hiller
HZB, Berlin, Germany
J.K. Abraham, J.L. Conradie, W. Duckitt
iThemba LABS, Somerset West, South Africa

Ocular melanomas have been treated for the last 20 years at the Helmholtz-Zentrum Berlin in collaboration with the Charité Universitätsmedizin Berlin. However, parts of the initial control system electronics date back to the 1970s, when the machine was installed. Facing a critical shortage of legacy and obsolete components and with the down-time due to failures in the electronics on the increase, a decision was made to install the digital low-level RF control system, developed by iThemba LABS, on our K=132 cyclotron. A short description of the installation and commissioning process, which occurred in April 2017, and the experiences of the first 2 years of operation with the new digital low-level RF control system is presented.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP007

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paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020

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TUP026

Embedded Local Controller for the CS-30 Cyclotron

cyclotron, radiation, ISOL, interface

215

A.M. Hendy, F.M. Alrumayan
King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Kingdom of Saudi Arabia
H.A. Kassim
KSU, Riyadh, Kingdom of Saudi Arabia

Funding: This project was supported by the NSTIP Strategic Technologies Program in the Kingdom of Saudi Arabia, award no. 14-MAT-1233-20.
The Embedded Local Controller is used for the purpose of upgrading our old CS-30 cyclotron control system. It is installed inside the cyclotron vault and connected to the control room using CAN serial bus. This is to avoid adding more wires from cyclotron vault to the outside, because there is no room for extra wires in the feedthrough conduits. The system is carefully designed to be fault tolerant so that it can run in a radiation environment without failure. Details of the design and field test results are presented.

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP026

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paper received ※ 15 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020

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TUP030

Reinforcement Learning Based RF Control System for Accelerator Mass Spectrometry

cyclotron, resonance, network, cavity

227

H.S. Kim, J.-S. Chai, Kh.M. Gad, M. Ghergherehchi, D.H. Ha, J.C. Lee, H. Namgoong
SKKU, Suwon, Republic of Korea

Funding: Radiation Technology R&D program through the National Research Foundation of Korea funded by the Ministry of Science, ICT & Future Planning through the National Research Foundation of Korea
Accelerator Mass Spectrometry (AMS) is a powerful method for separating rare isotopes and electrostatic type tandem accelerators have been widely used. At SungKyunKwan University, we are developing a AMS that can be used in a small space with higher resolution based on cyclotron. In contrast to the cyclotron used in conventional PET or proton therapy, the cyclotron-based AMS is characterized by high turn number and low dee voltage for high resolution. It is designed to accelerate not only 14C but also 13C or 12C. The AMS cyclotron RF control model has nonlinear characteristics due to the variable beam loading effect due to the acceleration of various particles and injected sample amounts. In this work, we proposed an AMS control system based on reinforcement learning. The proposed reinforcement learning finds the target control value in response to the environment through the learning process. We have designed a reinforcement learning based controller with RF system as an environment and verified the reinforcement learning based controller designed through the modeled cavity.

Poster TUP030 [0.527 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUP030

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paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020

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TUC02

Status of the HZB Cyclotron

radiation, proton, cyclotron, experiment

253

A. Denker, J. Bundesmann, T. Damerow, T. Fanselow, D. Hildebrand, U. Hiller, I. Kailouh, G. Kourkafas, S. Ozierenski, C. Rethfeldt, J. Röhrich, S. Seidel, C. Zimmer
HZB, Berlin, Germany
D. Cordini, J. Heufelder, R. Stark, A. Weber
Charite, Berlin, Germany

For more than 20 years eye tumours are treated in collaboration with the Charité - Universitätsmedizin Berlin. The close co-operation between Charité and HZB permits joint interdisciplinary research. Irradiations with either a sharp, well focused or a broad beam, either in vacuum or in air are possible. In addition, a 60Co-source for gamma-irradiations is available. Experiments now comprise dosimetry, detector comparisons, ambulant mouse irradiations, including class I gene-modified mice. Furthermore, radiation hardness tests on detectors, CCD-cameras and other electronics are performed. In order to improve the beam diagnosis between the 2 MV injector Tandetron and the cyclotron a harp has been installed, leading to new beam line calculations for the injection line. The accelerator operation for therapy as well as on-going experiments and results will be presented.

Slides TUC02 [1.965 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUC02

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paper received ※ 14 September 2019 paper accepted ※ 25 September 2019 issue date ※ 20 June 2020

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TUC03

AGOR Status Report

radiation, cyclotron, operation, experiment

256

B.N. Jones, S. Brandenburg, M.-J. van Goethem
KVI-CART, Groningen, The Netherlands

Funding: Work supported by EU Horizon 2020 (contract nrs. 654002; 730983) and the Dutch Cancer Foundation KWF project 11766)
TThe operations of the superconducting cyclotron AG-OR over the past years will be reviewed. Reliability issues encountered after nearly 25 years of operation and mitigation measures to warrant reliable operation for the coming decade will be discussed. The research performed with AGOR has significantly shifted from fundamental physics to radiation biology and medical radiation physics, both in collaboration with the Groningen Proton Therapy Center, and radiation hardness studies. The radiation biology research will be substantially expanded in the coming years with a new beam line for image guided preclinical research. For this research new dose delivery modalities including scanning, spatial fractionation and very high dose rates are developed. In addition a new program has been started on the production of exotic nuclei, for which a new superconducting solenoid fragment separator will be developed. For the radiation hardness testing a cocktail beam at 30 MeV/amu with several ion species up to Xe has been developed and is now routinely delivered for experiments. A cocktail at 15 MeV/amu up to Bi is under development.

Slides TUC03 [4.632 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUC03

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paper received ※ 14 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020

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THA03

React Automation Studio: A New Face to Control Large Scientific Equipment

EPICS, GUI, interface, cyclotron

285

W. Duckitt, J.K. Abraham
iThemba LABS, Somerset West, South Africa

A new software platform to enable the control of large scientific equipment through EPICS has been designed. The system implements a modern tool chain with a React frontend and a PyEpics backend as a progressive web application. This enables efficient and responsive cross platform and cross device operation. A general overview of React Automation Studio as well as the system architecture, implementation at iThemba LABs, community involvement and future plans for the system is presented.

Slides THA03 [276.798 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-THA03

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paper received ※ 13 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020

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THC03

Design of Accelerator Mass Spectrometry Based on a Cyclotron

cyclotron, resonance, ion-source, network

314

H. Namgoong, J.-S. Chai, M. Ghergherehchi, D.H. Ha, H.S. Kim, J.C. Lee
SKKU, Suwon, Republic of Korea

In this paper, we present a cyclotron-based accelerator mass spectrometry system. Conventional AMS systems use tandem accelerators for generating carbon-14 beams. We have developed an ion source, RF buncher, cyclotron, triplet quadrupole, detector and dipole magnet for an AMS system.

Slides THC03 [9.741 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-THC03

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paper received ※ 15 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020

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