PCaPAC2018 - List of Keywords (EPICS)

Paper	Title	Other Keywords	Page
WEC2	Status of the TPS Control System	controls, interface, power-supply, timing	6
	Y.-S. Cheng, Y.-T. Chang, J. Chen, P.C. Chiu, K.T. Hsu, S.Y. Hsu, K.H. Hu, C.H. Huang, C.H. Kuo, D. Lee, C.Y. Liao, C.-J. Wang, C.Y. Wu NSRRC, Hsinchu, Taiwan
	Control system for the Taiwan Photon Source (TPS) has been delivered in mid-2014 to support commissioning and routine operation of the accelerator system. The TPS control system adopts EPICS toolkits as its frameworks. Various subsystems interface to the control system according its specific requirements. Operation experiences accumulated during last four years confirmed the system working well. Minor revisions were made to improve the system performance. Current status of the control system and ongoing developments will be summarized in the report.
	Slides WEC2 [11.061 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEC2
About •	paper received ※ 10 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019
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WEC4	HEPS Controls Status Update	controls, database, experiment, operation	14
	C.P. Chu, D.P. Jin, G. Lei, C.H. Wang, L.X. Zhu IHEP, Beijing, People’s Republic of China
	The High Energy Photon Source (HEPS) is a planned extremely low emittance synchrotron radiation based light source located in suburban Beijing which requires high precession control systems for both accelerator and beamline controls. This paper outlines the overall design for control systems, including equipment control, fast orbit feedback, machine protection, controls network, database, high-level application architecture, and physics applications. Early plans for beamline controls are also reported.
	Slides WEC4 [4.005 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEC4
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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WEP01	EtherCAT Driver and Tools for EPICS and Linux at PSI	controls, real-time, Linux, PLC	22
	D. Maier-Manojlovic PSI, Villigen PSI, Switzerland
	EtherCAT bus and interface are widely used for external module and device control in accelerator environments at PSI, ranging from modulator and undulator communication and control, over motion control, basic I/O control, all the way to Machine Protection System for the new SwissFEL accelerator. A combined EPICS/Linux driver package has been developed at PSI, to allow for simple and mostly automatic setup of various EtherCAT configurations. The driver is capable of automatic scan of the existing devices and modules, followed by self-configuration and finally autonomous operation of the EtherCAT bus real-time loop. Additionally, the driver package supports the user PLC to manipulate EtherCAT data in real time, implements fast real-time (single cycle) slave-to-slave communication (skipping EPICS layer or PLC completely), features guaranteed one-shot trigger signals otherwise not supported by EPICS and much more. All the standard EtherCAT functions are supported, including the complete reprogramming of slave configurations and configuration generation for programmable slaves, such as EL6692 and EL6695 network bridges.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP01
About •	paper received ※ 08 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019
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WEP05	Wireless Internet of Thing Application in the TLS	controls, interface, software, storage-ring	38
	C.H. Kuo, K.H. Hu, C.-J. Wang NSRRC, Hsinchu, Taiwan
	The internet of thing is applied in the accelerator more frequently than before. There are many advantages in data acquisition and control oriented applications, for example, easy to distribute remotely and less cables needed, low noise generated, many commercial interfaces for choosing. The stable wireless communication is also applied in the measurement system. The high reliability and security of wireless communication with server and client structure is introduced. The structure design and implementation of IoT are summarized in this report.
	Poster WEP05 [1.895 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP05
About •	paper received ※ 16 October 2018 paper accepted ※ 30 January 2019 issue date ※ 21 January 2019
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WEP06	Data Archiving and Visualization of IRFEL	FEL, interface, status, real-time	41
	Y. Song, X. Chen, C. Li, G. Liu, J.G. Wang, K. Xuan USTC/NSRL, Hefei, Anhui, People’s Republic of China
	Funding: Work supported by National Natural Science Foundation of China (No.11375186) An Infrared Free Electron Laser Light (IRFEL) is being constructed at National Synchrotron Radiation Laboratory. The EPICS Archiver Appliance provides the functions of historical data acquisition, archiving, migration, retrieval and management in the IRFEL facility. A Single-Page Web Application is developed for the data visualization based on Vue.js framework and Highcharts JavaScirpt library. A unified interface is developed for the visualization to integrate multiple data sources and provide the same retrieval entry of the historical data from EPICS Archiver Appliance, the real-time data from EPICS IOC, the statistical data from database and the alarm information from the Phoebus. This paper will describe the implementation details of data archiving and visualization of IRFEL.
	Poster WEP06 [0.841 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP06
About •	paper received ※ 09 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019
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WEP10	Update on the Status of the FLUTE Control System	controls, network, hardware, electron	54
	W. Mexner, E. Blomley, E. Bründermann, C.F. Fehlinger, S. Marsching, A.-S. Müller, R. Ruprecht, T. Schmelzer, M. Schuh, N.J. Smale KIT, Eggenstein-Leopoldshafen, Germany I. Križnar Cosylab, Ljubljana, Slovenia S. Marsching Aquenos GmbH, Baden-Baden, Germany
	The first phase of FLUTE, a new linac based test facility and THz source is currently being commissioned at the Karlsruhe Institute of Technology (KIT). It consist of an RF photo gun and a traveling wave linac accelerating electrons to beam energies of 40 to 50 MeV. The control system is based on a virtualized infrastructure running Ubuntu Linux and Linux KVM. As base for the SCADA system we use EPICS 3.15 with Control System Studio (CSS) for the GUI. The long term data storage is provided by a Cassandra NoSQL database. This contribution will present the architecture and the current status of the FLUTE control system.
	Poster WEP10 [1.256 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP10
About •	paper received ※ 21 September 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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WEP11	EtherCAT Solution for the TPS Control System	controls, insertion, Ethernet, insertion-device	57
	C.Y. Liao, Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Wu NSRRC, Hsinchu, Taiwan
	The EtherCAT real-time Ethernet technology is now widely used in the field of industrial automation. This paper is to evaluate and establish the EtherCAT (Ethernet for Control Automation Technology) solution for digital and analogue I/O and motion control in accelerator applications. Thanks to developments at the Diamond Light Source, EtherCAT is integrated into EPICS with support for most devices of a general data type. Preliminary tests and plans are summarized in this report.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP11
About •	paper received ※ 09 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019
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WEP13	Control System Upgrade for the FFAG Accelerator Complex at KURNS	controls, PLC, FFAG, LabView	60
	Y. Kuriyama, Y. Fuwa, Y. Ishi, Y. Mori, H. Okita, T. Uesugi Kyoto University, Research Reactor Institute, Osaka, Japan
	Fixed field alternating gradient (FFAG) accelerator complex has been operated as a proton driver for the experiment of accelerator driven system (ADS) at Institute for Integrated Radiation and Nuclear Science, Kyoto University (KURNS). PLC based control system has been developed and the operator interface has been connected to PLC via network. Originally, a LabVIEW based operational interface was chosen to construct the system because of its easiness. However we met an upgrade problem, and a new control system based on EPICS instead of LabVIEW was introduced in 2010. In the spring of 2018, the replacement from LabVIEW to EPICS has been almost completed except for the beam interlock system and the LINAC control system provided by LINAC production company (AccSys). Also, the EPICS archiving tool (Archiver Appliance) has been invoked and operated at the end of 2017. This Presentation reports the details of the current control system and also the upgraded GPIB control and storage system. Formerly, Kyoto University Research Reactor Institute (KURRI).
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP13
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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WEP15	Recent Development of the RIKEN RI Beam Factory Control System	controls, power-supply, operation, cyclotron	66
	M. Komiyama, M. Fujimaki, N. Fukunishi, K. Kumagai, A. Uchiyama RIKEN Nishina Center, Wako, Japan
	We report on development of the successor of the existing controller device used for the magnet power supplies in the RIKEN Radioactive Isotope Beam Factory (RIBF). The existing controller for the magnet power supplies is operated in the Versa Module European (VME) computing machines under the Experimental Physics and Industrial Control System (EPICS) framework. The present controller has been operated stably for more than 10 years, however, it is now commercially unavailable because supply of some parts has been already terminated. In 2016, we developed a successor to have the same function essentially as the existing one, but it is designed to run in control systems constructed by programmable logic controller (PLC) modules instead of the VME computing environment, in order to achieve cost reduction and functional scalability. We confirmed that the successor was successfully controlled by using a test system. And now, we are developing a control system that can flexibly add new functions through actual operation while having all the existing functions. We will introduce the successor to the new injector LINAC system this year.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP15
About •	paper received ※ 10 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019
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WEP23	Control System Using EPICS Tools at TARLA LINAC	controls, interface, hardware, electron	85
	O.F. Elcim Ankara University Institute of Accelerator Technologies, Golbasi, Turkey
	The first accelerator based research facility of Turkey-TARLA is under commissioning at Institute of Accelerator Technologies of Ankara University. It is designed to generate free electron laser and Bremsstrahlung radiation using up to 40 MeV continuous wave (CW) electron beam. The control system of TARLA is based on EPICS and are being tested offline. TARLA also has industrial control systems such as PLC based cryoplant and water cooling system. Its control system is under development, it benefits from the latest version of EPICS framework, i.e. V7. In other words, TARLA control system uses existing demonstrated tools of EPICSV3 as well as pvAccess which comes with EPICSv4 for transferring the large data through control network. Archive (CSS BEAUTY) and alarm (CSS BEAST) system have been set up to detect stability and prevent failures. Operator interfaces have been designed using CSS BOY. Currently, CCDs, PSS (Personel Safety System), MPS (Machine Protection System), Superconductive Cavities, RF Amplifiers, microTCA based LLRF system are being integrated into distributed control system. In this proceeding we summarize the current status and future plans of TARLA control system.
	Poster WEP23 [1.696 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP23
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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WEP30	Design of Reliable Control with Star Topology Fieldbus Communications for an Electron Cyclotron Resonance Ion Source at RIBF	controls, ECR, ECRIS, PLC	105
	A. Uchiyama, N. Fukunishi, Y. Higurashi, M. Komiyama, T. Nagatomo, T. Nakagawa, J. Ohnishi RIKEN Nishina Center, Wako, Japan K. Kaneko, M. Tamura, H. Yamauchi SHI Accelerator Service Ltd., Tokyo, Japan
	In RIBF project, a superconducting linac will be implemented in order to enhance the beam energy necessary for promoting super heavy element experiment. A new 28 GHz electron resonance ion source has been installed upstream of them. Its control system will be consisted of Yokogawa FA-M3 series which is a porgrammble logic controller (PLC) with EPICS because of many achievements in case of RIBF control system. On the other hand, in the previous system with PLCs there was a disadvantage of low reliability for communications between PLC stations. Additionally, some devices (eg, oven, mivoc etc.) are changed for the generation of various kind of ions each times, therefore higher expandability is required. In the new system, we have designed the control system by utilizing star topology fieldbus for communications between the PLC stations to establish safety and expandability. In this conference, we report on the details of the system.
	Poster WEP30 [44.243 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP30
About •	paper received ※ 15 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019
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WEP31	Design of PLC Temperature Flow Acquisition System Based on EPICS	rfq, PLC, interface, controls	109
	H. Zheng, H. Cao, Y.X. Chen IMP/CAS, Lanzhou, People’s Republic of China
	In the design of the ADS injector II, the RFQ cavity holds a supreme status, and the RFQ temperature and flow information are the key parameters for the cavity frequency tuning. To ensure the long-term, stable and accurate acquisition of temperature flow data is the core task of control. In this paper, the PLC temperature flow acquisition system which is based on EPICS design was described, and the EPICS driver of this PLC was developed independently. The driver uses TCP/IP connection to EPICS IOC, and the communication protocol uses the "data block overall transmission protocol", to ensure the stability of the device’s data communications. After 3 months of long-term operation inspection, this acquisition system can ensure long-term and stable acquisition of real-time temperature and flow data of the equipment, and be able to send control information to related controlled equipment. In addition, redundant PLCs and redundant IOCs were adopted in this acquisition system to make the switch to alternate channels within milliseconds once a channel fails.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP31
About •	paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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WEP32	The Design and Development of an Auto-conditioning SRF Cavities Software	SRF, GUI, cavity, interface	111
	H. Cao, Y.X. Chen IMP/CAS, Lanzhou, People’s Republic of China
	As one of the major components of ADS Injector II, SRF (Superconducting Radio Frequency) cavities are used to transmit the intense-beam proton reliably, stably and efficiently. Before starting the process of transmitting particle beams, SRF cavities are routinely conditioned to achieve its optimized status in the deliverable energy. The whole conditioning process is involved in various types of hardware devices and is also a heavy task for engineers to manually operate these equipment. In this paper, the software ANSC is presented in details, which is used to automatically condition SRF cavities. At the present, ANSC is in the stage of testing. During the testing, ANSC indeed can achieve comparative results compared with manually operated conditioning. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP32
About •	paper received ※ 08 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019
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WEP34	The Control System based on EPICS for the Experimental Target Prototype	controls, target, experiment, PLC	116
	Q. Zhao, M.H. Cui, L. Li, M.B. Lv, L.L. Pang, C.W. Qiang, Y.B. Sheng, J.R. Sun, F. Wang, W.F. Yang, X.Y. Zhang, X. Zhang, S.X. Zhao, Y.B. Zhu IMP/CAS, Lanzhou, People’s Republic of China C. Liu Lanzhou University, Lanzhou, People’s Republic of China
	Building a high power spallation target is one of the critical issues in Accelerator Driven System (ADS). The control system which was built based on the real-time distributed control software of experimental physics and industrial control system (EPICS) was attempted for the experimental target prototype. There are several sub-systems in the target system, e.g. the elevating system, the vacuum system, the heat-exchanging system. As an IOC, each sub-system was finally integrated into the control system of the target by different drivers and methods because different hardware devices were used for each sub-system. The ’SLS s7 driver’ which was devel-oped based on the Ethernet Interface was used for the communication between the Siemens PLCs and the Hu-man Machine Interface (HMI). The interfaces between Labview and EPICS were used for the NI (Nation-al Instruments) DAQs systems. In addition, the driver developed by ourselves was used for devices with serial ports, e.g. RS-232 or RS-485/422. The control system was finally proved stable and could basically meet the ele-mentary requirements of the spallation target system.
	Poster WEP34 [0.757 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP34
About •	paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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THCA1	Quest for the New Standard PSI IOC Platform	Linux, FPGA, controls, operation	119
	D. Anicic PSI, Villigen PSI, Switzerland
	With its four accelerator facilities the Paul Scherrer Institut (PSI) has already several decades of control system Input Output Computer (IOC) experience. The technology is moving forward fast. The older hardware is becoming obsolete: it is slow, consumes too much power, does not match new computing, networking and bus technologies, and replacements can no longer be purchased as models have been discontinued. All this forces us to opt for a new "standard" IOC platform with increasing regularity. What used to be twenty years, became ten, and is now tending towards five years. Here we present past and possible future IOC platforms which we are investigating. Feedback from the conference would be highly appreciated.
	Slides THCA1 [3.691 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THCA1
About •	paper received ※ 08 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019
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THCB4	Leveraging Internet of Things Developments for Rapid Prototyping of Synoptic Displays	controls, HOM, interface, software	151
	L.T. Stant, T.M. Cobb DLS, Oxfordshire, United Kingdom
	Recently the technology industry has been laying foundations for the eponymous Internet of Things (IoT): efficient publish-subscribe protocols; process control schemas for household items; and improved low-power radio communications. Accelerator controls and IoT have several aspects in common - small payloads, low latency, dashboard/synoptic data presentation format are some examples. The IoT now provides several open-source projects which can provide a partial implementation of one or more accelerator controls software features. Because development is typically a lower priority for accelerator controls groups, there is a valid case to try and utilise the free efforts of others for the benefit of accelerator controls. In this paper, the authors present examples of the use of IoT frameworks for synoptic display/GUI development. The work in this paper enables other developers to access this resource and experiment with their own systems.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THCB4
About •	paper received ※ 13 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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THP04	Real-time and Detailed Provision of J-PARC Accelerator Operation Information from the Accelerator Control LAN to the Office LAN	controls, operation, status, real-time	167
	S. Yamada J-PARC, KEK & JAEA, Ibaraki-ken, Japan
	J-PARC Main Ring (MR) is a high-intensity proton synchrotron whose control system is developed based on EPICS.　It started its beam operation in 2008, and since 2009 has been delivering beam to the T2K neutrino experiment and hadron experiments.　Over the past decade, MR have become more sophisticated and more stable driving is required.　Along with this, demands arose from users and experts of equipment such that acquiring detailed and real-time information on the apparatus from the office LAN.　On the other hand, the accelerator control system is quarantined from the office LAN with firewall for security reasons.　Therefore, despite being intentional or not, manipulating any equipment in the accelerator control LAN shall be prohibited from the office LAN.　This article describes construction and prospects of such an one-way gateway system such that information is relayed via EPICS from accelerator control LAN to the office LAN while minimizing influence in the opposite direction.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP04
About •	paper received ※ 14 October 2018 paper accepted ※ 25 April 2019 issue date ※ 21 January 2019
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THP06	Reliability Improvement for the Insertion Device Control in the TPS	controls, insertion, radiation, insertion-device	173
	C.Y. Wu, J. Chen, Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Liao NSRRC, Hsinchu, Taiwan
	Insertion devices (ID) are essential components in third-generation synchrotron light sources, which can produce highly-brilliant, collimated and quasi-monochromatic radiation over a broad energy range for experiments. Reliable operation of the insertion devices is important to users of beamlines. The most unpredictable fault is due to a soft error in optical absolute encoders due to radiation. There are several solutions to avoid such faults, e.g. by increasing the distance of the encoder from the beam, by a lead shield cover and finally by adopting an auxiliary position sensing devices to help recovery from a fault. Efforts to improve operational reliability of the TPS ID controls will be discussed.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP06
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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THP13	The Development of a FPGA Based Front End Safety Interlock System	controls, FPGA, real-time, status	189
	J.-Y. Chuang, C.-C. Chang, C.M. Cheng, Y.Z. Lin, I.C. Sheng, Y.C. Yang NSRRC, Hsinchu, Taiwan
	A front end (FE) safety interlock control system was designed to protect humans and the machine integrity during operation. Since stability and reliability are an important requirement in this system, we developed a FPGA based system to control a safety logic for interlock protection. The integration of the FPGA, Real-time and redundant fail-safe system in the FE interlock system enables us to provide a safe protection with EPICS com-munication and hardware protection functions.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP13
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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THP15	Design and Implementation of FPGA Based Protection System for Beam Acceleration in Linear IFMIF Prototype Accelerator	controls, FPGA, operation, rfq	195
	Y. Hirata, A. Kasugai QST, Aomori, Japan A. Jokinen, A. Marqueta Fusion for Energy, Garching, Germany H. Takahashi JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
	IFMIF (International Fusion Materials Irradiation Facility) Prototype Accelerator (LIPAc) has been developed, which is designed to produce a deuteron CW beam with a current of 125 mA at 9 MeV. After the injector commissioning, the LIPAc is entering in the second commissioning phase in which RFQ, MEBT, RF Power System and Beam Instrumentation (BI) systems have been integrated. The LCSs of LIPAc have been developed by European Home Team (EU-HT) and delivered with its subsystems; the CCS, including personnel and machine protection, timing, archiving and alarming, by Japanese Home Team (JA-HT). These have been implemented on the EPICS platform to mitigate the risk of incompatibility in the integration, which JA-HT and EU-HT are jointly carrying out to control the whole accelerator. In the CCS, some interlocks associated with measurement systems–chopper interlock, protection of BI systems, etc.–are implemented on FPGA and the condition of interlock triggering can be changed from EPICS OPIs depending on the beam conditions. The use of EPICS interface can add flexibility but still satisfy fast response and reliability requirement. The design and implementation will be presented.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP15
About •	paper received ※ 10 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019
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THP16	Remote Waveform Access Supports with EPICS for TPS and TLS Control Systems	controls, data-acquisition, synchrotron, Ethernet	198
	Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Liao, C.Y. Wu NSRRC, Hsinchu, Taiwan
	To eliminate long distance cabling for improving signal quality, the remote waveform access supports have been developed and applied on the TPS (Taiwan Photon Source) and TLS (Taiwan Light Source) control systems. Waveforms include pulse magnets power supplies waveforms, AC waveforms of main power supplies, LLRF waveforms, beam signals, etc., and these are necessary to be monitored during routine beam operation. One is that use the EPICS-embedded data acquisition systems which are formed by the Zynq System-on-Chip architecture to capture the waveform signals; the other is that a dedicated EPICS IOC is used to communicate with the present Ethernet-based oscilloscopes to acquire each waveform data. According to specific purposes use, the different graphical applications have been developed and integrated into the existing operation interfaces. These are convenient to observe waveform status and to analyze the acquired data on the control consoles. The efforts are described at this paper.
	Poster THP16 [0.656 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP16
About •	paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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THP21	Development of Triggered Scaler to Detect Miss-Trigger	operation, timing, FPGA, controls	213
	N. Kamikubota KEK, Ibaraki, Japan K.C. Sato J-PARC, KEK & JAEA, Ibaraki-ken, Japan Y. Tajima KIS, Ibaraki, Japan S.Y. Yoshida Kanto Information Service (KIS), Accelerator Group, Ibaraki, Japan
	A "triggered scaler" has been developed for J-PARC accelerators. It is a PLC-type scaler with memory-buffers. Number of pulsed signals is counted and stored in a cell of memory-buffer, then, each external trigger (25 Hz) shifts the pointer to the cell. The buffer size (192) is designed to store one machine-cycle (2480 ms or 5200 ms in J-PARC). Demonstrative measurements using a prototype module are reported. In addition, scheme to detect miss-trigger events are discussed.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP21
About •	paper received ※ 21 October 2018 paper accepted ※ 08 November 2018 issue date ※ 21 January 2019
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FRCA2	Development of a Task-Oriented Chatbot Application for Monitoring Taiwan Photon Source Front-End System	status, photon, operation, monitoring	228
	Y.Z. Lin, C.-C. Chang, Y.T. Cheng, J.-Y. Chuang, H.P. Hsueh, C.H. Huang, I.C. Sheng, Y.C. Yang NSRRC, Hsinchu, Taiwan
	In this study, we propose a task-oriented chatbot application as an interactive user interface for monitoring Taiwan Photon Source front-end system. This application can get specific information faster and improve the efficiency of the maintenance engineer’s definition of fault information when a fault occurs. The chatbot uses LINE’s Message API to provide services, and obtains information and status of the front-end system over EPICS protocol, responding to users’ needs, like a virtual assistant. At present, the application can obtain the front-end system information already in operation of Taiwan Photon Source, including x-ray beam position monitor, safety interlock system, front-end valve status, vacuum status…etc. However, in addition to the passive provision of information, this program has a fault warning function, and will actively transmit fault information to relevant personnel when a problem occurs in the safety interlock system.
	Slides FRCA2 [9.607 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-FRCA2
About •	paper received ※ 10 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019
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FRCB2	Design and Construction of the Data Warehouse Based on Hadoop Ecosystem at HLS-II	controls, software, database, distributed	233
	Y. Song, X. Chen, C. Li, G. Liu, J.G. Wang, K. Xuan USTC/NSRL, Hefei, Anhui, People’s Republic of China
	Funding: Work supported by National Natural Science Foundation of China (No.11375186) A data warehouse based on Hadoop ecosystem is designed and constructed for Hefei Light Source II (HLS-II). The ETL program based on Spark migrates data to HDFS from RDB Channel Archiver and the EPICS Archiver Appliance continuously and store them in Parquet format. The distributed data analysis engine based on Impala greatly improves the performance of data retrieval and reduces the response time of queries. In this paper, we will describe our efforts and experience to use various open sources software and tools to effectively manage the big data. We will also report the plans on this data warehouse in the future.
	Slides FRCB2 [5.157 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-FRCB2
About •	paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019
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Paper

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Other Keywords

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WEC2

Status of the TPS Control System

controls, interface, power-supply, timing

6

Y.-S. Cheng, Y.-T. Chang, J. Chen, P.C. Chiu, K.T. Hsu, S.Y. Hsu, K.H. Hu, C.H. Huang, C.H. Kuo, D. Lee, C.Y. Liao, C.-J. Wang, C.Y. Wu
NSRRC, Hsinchu, Taiwan

Control system for the Taiwan Photon Source (TPS) has been delivered in mid-2014 to support commissioning and routine operation of the accelerator system. The TPS control system adopts EPICS toolkits as its frameworks. Various subsystems interface to the control system according its specific requirements. Operation experiences accumulated during last four years confirmed the system working well. Minor revisions were made to improve the system performance. Current status of the control system and ongoing developments will be summarized in the report.

Slides WEC2 [11.061 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEC2

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paper received ※ 10 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019

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WEC4

HEPS Controls Status Update

controls, database, experiment, operation

14

C.P. Chu, D.P. Jin, G. Lei, C.H. Wang, L.X. Zhu
IHEP, Beijing, People’s Republic of China

The High Energy Photon Source (HEPS) is a planned extremely low emittance synchrotron radiation based light source located in suburban Beijing which requires high precession control systems for both accelerator and beamline controls. This paper outlines the overall design for control systems, including equipment control, fast orbit feedback, machine protection, controls network, database, high-level application architecture, and physics applications. Early plans for beamline controls are also reported.

Slides WEC4 [4.005 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEC4

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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WEP01

EtherCAT Driver and Tools for EPICS and Linux at PSI

controls, real-time, Linux, PLC

22

D. Maier-Manojlovic
PSI, Villigen PSI, Switzerland

EtherCAT bus and interface are widely used for external module and device control in accelerator environments at PSI, ranging from modulator and undulator communication and control, over motion control, basic I/O control, all the way to Machine Protection System for the new SwissFEL accelerator. A combined EPICS/Linux driver package has been developed at PSI, to allow for simple and mostly automatic setup of various EtherCAT configurations. The driver is capable of automatic scan of the existing devices and modules, followed by self-configuration and finally autonomous operation of the EtherCAT bus real-time loop. Additionally, the driver package supports the user PLC to manipulate EtherCAT data in real time, implements fast real-time (single cycle) slave-to-slave communication (skipping EPICS layer or PLC completely), features guaranteed one-shot trigger signals otherwise not supported by EPICS and much more. All the standard EtherCAT functions are supported, including the complete reprogramming of slave configurations and configuration generation for programmable slaves, such as EL6692 and EL6695 network bridges.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP01

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paper received ※ 08 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019

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WEP05

Wireless Internet of Thing Application in the TLS

controls, interface, software, storage-ring

38

C.H. Kuo, K.H. Hu, C.-J. Wang
NSRRC, Hsinchu, Taiwan

The internet of thing is applied in the accelerator more frequently than before. There are many advantages in data acquisition and control oriented applications, for example, easy to distribute remotely and less cables needed, low noise generated, many commercial interfaces for choosing. The stable wireless communication is also applied in the measurement system. The high reliability and security of wireless communication with server and client structure is introduced. The structure design and implementation of IoT are summarized in this report.

Poster WEP05 [1.895 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP05

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paper received ※ 16 October 2018 paper accepted ※ 30 January 2019 issue date ※ 21 January 2019

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WEP06

Data Archiving and Visualization of IRFEL

FEL, interface, status, real-time

41

Y. Song, X. Chen, C. Li, G. Liu, J.G. Wang, K. Xuan
USTC/NSRL, Hefei, Anhui, People’s Republic of China

Funding: Work supported by National Natural Science Foundation of China (No.11375186)
An Infrared Free Electron Laser Light (IRFEL) is being constructed at National Synchrotron Radiation Laboratory. The EPICS Archiver Appliance provides the functions of historical data acquisition, archiving, migration, retrieval and management in the IRFEL facility. A Single-Page Web Application is developed for the data visualization based on Vue.js framework and Highcharts JavaScirpt library. A unified interface is developed for the visualization to integrate multiple data sources and provide the same retrieval entry of the historical data from EPICS Archiver Appliance, the real-time data from EPICS IOC, the statistical data from database and the alarm information from the Phoebus. This paper will describe the implementation details of data archiving and visualization of IRFEL.

Poster WEP06 [0.841 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP06

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paper received ※ 09 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019

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WEP10

Update on the Status of the FLUTE Control System

controls, network, hardware, electron

54

W. Mexner, E. Blomley, E. Bründermann, C.F. Fehlinger, S. Marsching, A.-S. Müller, R. Ruprecht, T. Schmelzer, M. Schuh, N.J. Smale
KIT, Eggenstein-Leopoldshafen, Germany
I. Križnar
Cosylab, Ljubljana, Slovenia
S. Marsching
Aquenos GmbH, Baden-Baden, Germany

The first phase of FLUTE, a new linac based test facility and THz source is currently being commissioned at the Karlsruhe Institute of Technology (KIT). It consist of an RF photo gun and a traveling wave linac accelerating electrons to beam energies of 40 to 50 MeV. The control system is based on a virtualized infrastructure running Ubuntu Linux and Linux KVM. As base for the SCADA system we use EPICS 3.15 with Control System Studio (CSS) for the GUI. The long term data storage is provided by a Cassandra NoSQL database. This contribution will present the architecture and the current status of the FLUTE control system.

Poster WEP10 [1.256 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP10

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paper received ※ 21 September 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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WEP11

EtherCAT Solution for the TPS Control System

controls, insertion, Ethernet, insertion-device

57

C.Y. Liao, Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Wu
NSRRC, Hsinchu, Taiwan

The EtherCAT real-time Ethernet technology is now widely used in the field of industrial automation. This paper is to evaluate and establish the EtherCAT (Ethernet for Control Automation Technology) solution for digital and analogue I/O and motion control in accelerator applications. Thanks to developments at the Diamond Light Source, EtherCAT is integrated into EPICS with support for most devices of a general data type. Preliminary tests and plans are summarized in this report.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP11

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paper received ※ 09 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019

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WEP13

Control System Upgrade for the FFAG Accelerator Complex at KURNS

controls, PLC, FFAG, LabView

60

Y. Kuriyama, Y. Fuwa, Y. Ishi, Y. Mori, H. Okita, T. Uesugi
Kyoto University, Research Reactor Institute, Osaka, Japan

Fixed field alternating gradient (FFAG) accelerator complex has been operated as a proton driver for the experiment of accelerator driven system (ADS) at Institute for Integrated Radiation and Nuclear Science, Kyoto University (KURNS)*. PLC based control system has been developed and the operator interface has been connected to PLC via network. Originally, a LabVIEW based operational interface was chosen to construct the system because of its easiness. However we met an upgrade problem, and a new control system based on EPICS instead of LabVIEW was introduced in 2010. In the spring of 2018, the replacement from LabVIEW to EPICS has been almost completed except for the beam interlock system and the LINAC control system provided by LINAC production company (AccSys). Also, the EPICS archiving tool (Archiver Appliance) has been invoked and operated at the end of 2017. This Presentation reports the details of the current control system and also the upgraded GPIB control and storage system.
*Formerly, Kyoto University Research Reactor Institute (KURRI).

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP13

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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WEP15

Recent Development of the RIKEN RI Beam Factory Control System

controls, power-supply, operation, cyclotron

66

M. Komiyama, M. Fujimaki, N. Fukunishi, K. Kumagai, A. Uchiyama
RIKEN Nishina Center, Wako, Japan

We report on development of the successor of the existing controller device used for the magnet power supplies in the RIKEN Radioactive Isotope Beam Factory (RIBF). The existing controller for the magnet power supplies is operated in the Versa Module European (VME) computing machines under the Experimental Physics and Industrial Control System (EPICS) framework. The present controller has been operated stably for more than 10 years, however, it is now commercially unavailable because supply of some parts has been already terminated. In 2016, we developed a successor to have the same function essentially as the existing one, but it is designed to run in control systems constructed by programmable logic controller (PLC) modules instead of the VME computing environment, in order to achieve cost reduction and functional scalability. We confirmed that the successor was successfully controlled by using a test system. And now, we are developing a control system that can flexibly add new functions through actual operation while having all the existing functions. We will introduce the successor to the new injector LINAC system this year.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP15

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paper received ※ 10 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019

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WEP23

Control System Using EPICS Tools at TARLA LINAC

controls, interface, hardware, electron

85

O.F. Elcim
Ankara University Institute of Accelerator Technologies, Golbasi, Turkey

The first accelerator based research facility of Turkey-TARLA is under commissioning at Institute of Accelerator Technologies of Ankara University. It is designed to generate free electron laser and Bremsstrahlung radiation using up to 40 MeV continuous wave (CW) electron beam. The control system of TARLA is based on EPICS and are being tested offline. TARLA also has industrial control systems such as PLC based cryoplant and water cooling system. Its control system is under development, it benefits from the latest version of EPICS framework, i.e. V7. In other words, TARLA control system uses existing demonstrated tools of EPICSV3 as well as pvAccess which comes with EPICSv4 for transferring the large data through control network. Archive (CSS BEAUTY) and alarm (CSS BEAST) system have been set up to detect stability and prevent failures. Operator interfaces have been designed using CSS BOY. Currently, CCDs, PSS (Personel Safety System), MPS (Machine Protection System), Superconductive Cavities, RF Amplifiers, microTCA based LLRF system are being integrated into distributed control system. In this proceeding we summarize the current status and future plans of TARLA control system.

Poster WEP23 [1.696 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP23

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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WEP30

Design of Reliable Control with Star Topology Fieldbus Communications for an Electron Cyclotron Resonance Ion Source at RIBF

controls, ECR, ECRIS, PLC

105

A. Uchiyama, N. Fukunishi, Y. Higurashi, M. Komiyama, T. Nagatomo, T. Nakagawa, J. Ohnishi
RIKEN Nishina Center, Wako, Japan
K. Kaneko, M. Tamura, H. Yamauchi
SHI Accelerator Service Ltd., Tokyo, Japan

In RIBF project, a superconducting linac will be implemented in order to enhance the beam energy necessary for promoting super heavy element experiment. A new 28 GHz electron resonance ion source has been installed upstream of them. Its control system will be consisted of Yokogawa FA-M3 series which is a porgrammble logic controller (PLC) with EPICS because of many achievements in case of RIBF control system. On the other hand, in the previous system with PLCs there was a disadvantage of low reliability for communications between PLC stations. Additionally, some devices (eg, oven, mivoc etc.) are changed for the generation of various kind of ions each times, therefore higher expandability is required. In the new system, we have designed the control system by utilizing star topology fieldbus for communications between the PLC stations to establish safety and expandability. In this conference, we report on the details of the system.

Poster WEP30 [44.243 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP30

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paper received ※ 15 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019

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WEP31

Design of PLC Temperature Flow Acquisition System Based on EPICS

rfq, PLC, interface, controls

109

H. Zheng, H. Cao, Y.X. Chen
IMP/CAS, Lanzhou, People’s Republic of China

In the design of the ADS injector II, the RFQ cavity holds a supreme status, and the RFQ temperature and flow information are the key parameters for the cavity frequency tuning. To ensure the long-term, stable and accurate acquisition of temperature flow data is the core task of control. In this paper, the PLC temperature flow acquisition system which is based on EPICS design was described, and the EPICS driver of this PLC was developed independently. The driver uses TCP/IP connection to EPICS IOC, and the communication protocol uses the "data block overall transmission protocol", to ensure the stability of the device’s data communications. After 3 months of long-term operation inspection, this acquisition system can ensure long-term and stable acquisition of real-time temperature and flow data of the equipment, and be able to send control information to related controlled equipment. In addition, redundant PLCs and redundant IOCs were adopted in this acquisition system to make the switch to alternate channels within milliseconds once a channel fails.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP31

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paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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WEP32

The Design and Development of an Auto-conditioning SRF Cavities Software

SRF, GUI, cavity, interface

111

H. Cao, Y.X. Chen
IMP/CAS, Lanzhou, People’s Republic of China

As one of the major components of ADS Injector II, SRF (Superconducting Radio Frequency) cavities are used to transmit the intense-beam proton reliably, stably and efficiently. Before starting the process of transmitting particle beams, SRF cavities are routinely conditioned to achieve its optimized status in the deliverable energy. The whole conditioning process is involved in various types of hardware devices and is also a heavy task for engineers to manually operate these equipment. In this paper, the software ANSC is presented in details, which is used to automatically condition SRF cavities. At the present, ANSC is in the stage of testing. During the testing, ANSC indeed can achieve comparative results compared with manually operated conditioning.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP32

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paper received ※ 08 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019

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WEP34

The Control System based on EPICS for the Experimental Target Prototype

controls, target, experiment, PLC

116

Q. Zhao, M.H. Cui, L. Li, M.B. Lv, L.L. Pang, C.W. Qiang, Y.B. Sheng, J.R. Sun, F. Wang, W.F. Yang, X.Y. Zhang, X. Zhang, S.X. Zhao, Y.B. Zhu
IMP/CAS, Lanzhou, People’s Republic of China
C. Liu
Lanzhou University, Lanzhou, People’s Republic of China

Building a high power spallation target is one of the critical issues in Accelerator Driven System (ADS). The control system which was built based on the real-time distributed control software of experimental physics and industrial control system (EPICS) was attempted for the experimental target prototype. There are several sub-systems in the target system, e.g. the elevating system, the vacuum system, the heat-exchanging system. As an IOC, each sub-system was finally integrated into the control system of the target by different drivers and methods because different hardware devices were used for each sub-system. The ’SLS s7 driver’ which was devel-oped based on the Ethernet Interface was used for the communication between the Siemens PLCs and the Hu-man Machine Interface (HMI). The interfaces between Labview and EPICS were used for the NI (Nation-al Instruments) DAQs systems. In addition, the driver developed by ourselves was used for devices with serial ports, e.g. RS-232 or RS-485/422. The control system was finally proved stable and could basically meet the ele-mentary requirements of the spallation target system.

Poster WEP34 [0.757 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP34

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paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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THCA1

Quest for the New Standard PSI IOC Platform

Linux, FPGA, controls, operation

119

D. Anicic
PSI, Villigen PSI, Switzerland

With its four accelerator facilities the Paul Scherrer Institut (PSI) has already several decades of control system Input Output Computer (IOC) experience. The technology is moving forward fast. The older hardware is becoming obsolete: it is slow, consumes too much power, does not match new computing, networking and bus technologies, and replacements can no longer be purchased as models have been discontinued. All this forces us to opt for a new "standard" IOC platform with increasing regularity. What used to be twenty years, became ten, and is now tending towards five years. Here we present past and possible future IOC platforms which we are investigating. Feedback from the conference would be highly appreciated.

Slides THCA1 [3.691 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THCA1

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paper received ※ 08 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019

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THCB4

Leveraging Internet of Things Developments for Rapid Prototyping of Synoptic Displays

controls, HOM, interface, software

151

L.T. Stant, T.M. Cobb
DLS, Oxfordshire, United Kingdom

Recently the technology industry has been laying foundations for the eponymous Internet of Things (IoT): efficient publish-subscribe protocols; process control schemas for household items; and improved low-power radio communications. Accelerator controls and IoT have several aspects in common - small payloads, low latency, dashboard/synoptic data presentation format are some examples. The IoT now provides several open-source projects which can provide a partial implementation of one or more accelerator controls software features. Because development is typically a lower priority for accelerator controls groups, there is a valid case to try and utilise the free efforts of others for the benefit of accelerator controls. In this paper, the authors present examples of the use of IoT frameworks for synoptic display/GUI development. The work in this paper enables other developers to access this resource and experiment with their own systems.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THCB4

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paper received ※ 13 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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THP04

Real-time and Detailed Provision of J-PARC Accelerator Operation Information from the Accelerator Control LAN to the Office LAN

controls, operation, status, real-time

167

S. Yamada
J-PARC, KEK & JAEA, Ibaraki-ken, Japan

J-PARC Main Ring (MR) is a high-intensity proton synchrotron whose control system is developed based on EPICS.　It started its beam operation in 2008, and since 2009 has been delivering beam to the T2K neutrino experiment and hadron experiments.　Over the past decade, MR have become more sophisticated and more stable driving is required.　Along with this, demands arose from users and experts of equipment such that acquiring detailed and real-time information on the apparatus from the office LAN.　On the other hand, the accelerator control system is quarantined from the office LAN with firewall for security reasons.　Therefore, despite being intentional or not, manipulating any equipment in the accelerator control LAN shall be prohibited from the office LAN.　This article describes construction and prospects of such an one-way gateway system such that information is relayed via EPICS from accelerator control LAN to the office LAN while minimizing influence in the opposite direction.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP04

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paper received ※ 14 October 2018 paper accepted ※ 25 April 2019 issue date ※ 21 January 2019

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THP06

Reliability Improvement for the Insertion Device Control in the TPS

controls, insertion, radiation, insertion-device

173

C.Y. Wu, J. Chen, Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Liao
NSRRC, Hsinchu, Taiwan

Insertion devices (ID) are essential components in third-generation synchrotron light sources, which can produce highly-brilliant, collimated and quasi-monochromatic radiation over a broad energy range for experiments. Reliable operation of the insertion devices is important to users of beamlines. The most unpredictable fault is due to a soft error in optical absolute encoders due to radiation. There are several solutions to avoid such faults, e.g. by increasing the distance of the encoder from the beam, by a lead shield cover and finally by adopting an auxiliary position sensing devices to help recovery from a fault. Efforts to improve operational reliability of the TPS ID controls will be discussed.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP06

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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THP13

The Development of a FPGA Based Front End Safety Interlock System

controls, FPGA, real-time, status

189

J.-Y. Chuang, C.-C. Chang, C.M. Cheng, Y.Z. Lin, I.C. Sheng, Y.C. Yang
NSRRC, Hsinchu, Taiwan

A front end (FE) safety interlock control system was designed to protect humans and the machine integrity during operation. Since stability and reliability are an important requirement in this system, we developed a FPGA based system to control a safety logic for interlock protection. The integration of the FPGA, Real-time and redundant fail-safe system in the FE interlock system enables us to provide a safe protection with EPICS com-munication and hardware protection functions.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP13

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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THP15

Design and Implementation of FPGA Based Protection System for Beam Acceleration in Linear IFMIF Prototype Accelerator

controls, FPGA, operation, rfq

195

Y. Hirata, A. Kasugai
QST, Aomori, Japan
A. Jokinen, A. Marqueta
Fusion for Energy, Garching, Germany
H. Takahashi
JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan

IFMIF (International Fusion Materials Irradiation Facility) Prototype Accelerator (LIPAc) has been developed, which is designed to produce a deuteron CW beam with a current of 125 mA at 9 MeV. After the injector commissioning, the LIPAc is entering in the second commissioning phase in which RFQ, MEBT, RF Power System and Beam Instrumentation (BI) systems have been integrated. The LCSs of LIPAc have been developed by European Home Team (EU-HT) and delivered with its subsystems; the CCS, including personnel and machine protection, timing, archiving and alarming, by Japanese Home Team (JA-HT). These have been implemented on the EPICS platform to mitigate the risk of incompatibility in the integration, which JA-HT and EU-HT are jointly carrying out to control the whole accelerator. In the CCS, some interlocks associated with measurement systems–chopper interlock, protection of BI systems, etc.–are implemented on FPGA and the condition of interlock triggering can be changed from EPICS OPIs depending on the beam conditions. The use of EPICS interface can add flexibility but still satisfy fast response and reliability requirement. The design and implementation will be presented.

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP15

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paper received ※ 10 October 2018 paper accepted ※ 17 October 2018 issue date ※ 21 January 2019

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THP16

Remote Waveform Access Supports with EPICS for TPS and TLS Control Systems

controls, data-acquisition, synchrotron, Ethernet

198

Y.-S. Cheng, K.T. Hsu, K.H. Hu, C.Y. Liao, C.Y. Wu
NSRRC, Hsinchu, Taiwan

To eliminate long distance cabling for improving signal quality, the remote waveform access supports have been developed and applied on the TPS (Taiwan Photon Source) and TLS (Taiwan Light Source) control systems. Waveforms include pulse magnets power supplies waveforms, AC waveforms of main power supplies, LLRF waveforms, beam signals, etc., and these are necessary to be monitored during routine beam operation. One is that use the EPICS-embedded data acquisition systems which are formed by the Zynq System-on-Chip architecture to capture the waveform signals; the other is that a dedicated EPICS IOC is used to communicate with the present Ethernet-based oscilloscopes to acquire each waveform data. According to specific purposes use, the different graphical applications have been developed and integrated into the existing operation interfaces. These are convenient to observe waveform status and to analyze the acquired data on the control consoles. The efforts are described at this paper.

Poster THP16 [0.656 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP16

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paper received ※ 10 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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THP21

Development of Triggered Scaler to Detect Miss-Trigger

operation, timing, FPGA, controls

213

N. Kamikubota
KEK, Ibaraki, Japan
K.C. Sato
J-PARC, KEK & JAEA, Ibaraki-ken, Japan
Y. Tajima
KIS, Ibaraki, Japan
S.Y. Yoshida
Kanto Information Service (KIS), Accelerator Group, Ibaraki, Japan

A "triggered scaler" has been developed for J-PARC accelerators. It is a PLC-type scaler with memory-buffers. Number of pulsed signals is counted and stored in a cell of memory-buffer, then, each external trigger (25 Hz) shifts the pointer to the cell. The buffer size (192) is designed to store one machine-cycle (2480 ms or 5200 ms in J-PARC). Demonstrative measurements using a prototype module are reported. In addition, scheme to detect miss-trigger events are discussed.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-THP21

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paper received ※ 21 October 2018 paper accepted ※ 08 November 2018 issue date ※ 21 January 2019

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FRCA2

Development of a Task-Oriented Chatbot Application for Monitoring Taiwan Photon Source Front-End System

status, photon, operation, monitoring

228

Y.Z. Lin, C.-C. Chang, Y.T. Cheng, J.-Y. Chuang, H.P. Hsueh, C.H. Huang, I.C. Sheng, Y.C. Yang
NSRRC, Hsinchu, Taiwan

In this study, we propose a task-oriented chatbot application as an interactive user interface for monitoring Taiwan Photon Source front-end system. This application can get specific information faster and improve the efficiency of the maintenance engineer’s definition of fault information when a fault occurs. The chatbot uses LINE’s Message API to provide services, and obtains information and status of the front-end system over EPICS protocol, responding to users’ needs, like a virtual assistant. At present, the application can obtain the front-end system information already in operation of Taiwan Photon Source, including x-ray beam position monitor, safety interlock system, front-end valve status, vacuum status…etc. However, in addition to the passive provision of information, this program has a fault warning function, and will actively transmit fault information to relevant personnel when a problem occurs in the safety interlock system.

Slides FRCA2 [9.607 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-FRCA2

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paper received ※ 10 October 2018 paper accepted ※ 16 October 2018 issue date ※ 21 January 2019

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FRCB2

Design and Construction of the Data Warehouse Based on Hadoop Ecosystem at HLS-II

controls, software, database, distributed

233

Y. Song, X. Chen, C. Li, G. Liu, J.G. Wang, K. Xuan
USTC/NSRL, Hefei, Anhui, People’s Republic of China

Funding: Work supported by National Natural Science Foundation of China (No.11375186)
A data warehouse based on Hadoop ecosystem is designed and constructed for Hefei Light Source II (HLS-II). The ETL program based on Spark migrates data to HDFS from RDB Channel Archiver and the EPICS Archiver Appliance continuously and store them in Parquet format. The distributed data analysis engine based on Impala greatly improves the performance of data retrieval and reduces the response time of queries. In this paper, we will describe our efforts and experience to use various open sources software and tools to effectively manage the big data. We will also report the plans on this data warehouse in the future.

Slides FRCB2 [5.157 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-FRCB2

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paper received ※ 09 October 2018 paper accepted ※ 15 October 2018 issue date ※ 21 January 2019

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