| Paper | Title | Page |
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| S03SRD01 | Controls for the CERN Large Hadron Collider (LHC) | 100 |
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| CERN’s planned large superconducting collider project presents several new challenges to the Control System. These are discussed along with current thinking as to how they can be met. The high field superconducting magnets are subject to "persistent currents" which will require real time measurements and control using a mathematical model on a 2-10 second time interval. This may be realised using direct links, multiplexed using TDM, between the field equipment and central servers. Quench control and avoidance will make new demands on speed of response, reliability and surveillance. The integration of large quantities of industrially controlled equipment will be important. Much of the controls will be in common with LEP so a seamless integration of LHC and LEP controls will be sought. A very large amount of new high-tech equipment will have to be tested, assembled and installed in the LEP tunnel in a short time. The manpower and cost constraints will be much tighter than previously. New approaches will have to be found to solve many of these problems, with the additional constraint of integrating them into an existing framework. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD01 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD02 | A Performance Requirements Analysis of the SSC Control System | 105 |
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Funding: Operated by the Universities Research Association, Inc., for the U.S. Department of Energy under Contract No. DE-AC02-89ER40486. This paper presents the results of analysis of the performance requirements of the Superconducting Super Collider Control System. We quantify the performance requirements of the system in terms of response time, throughput and reliability. We then examine the effect of distance and traffic patterns on control system performance and examine how these factors influence the implementation of the control network architecture and compare the proposed system against those criteria. Operated by the Universities Research Association, Inc., for the U.S. Department of Energy under Contract No. DE-AC02-89ER40486 |
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| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD02 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD03 | The Computer Control System for the CESR B Factory | 110 |
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Funding: Work supported by the US National Science Foundation B factories present unique requirements for controls and instrumentation systems. High reliability is critical to achieving the integrated luminosity goals. The CESR-B upgrade at Cornell University will have a control system based on the architecture of the successful CESR control system, which uses a centralized database/message routing system in a multiported memory, and VAXstations for all high-level control functions. The implementation of this architecture will address the deficiencies in the current implementation while providing the required performance and reliability. |
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| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD03 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD04 | Standards and the Design of the Advanced Photon Source Control System | 116 |
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Funding: Work supported by U.S. Department of Energy, Office of Basic Energy Sciences under Contract No. W-31-109-ENG-38. The Advanced Photon Source (APS), now under construction at Argonne National Laboratory (ANL), is a 7 GeV positron storage ring dedicated to research facilities using synchrotron radiation. This ring, along with its injection accelerators is to be controlled and monitored with a single, flexible, and expandable control system. In the conceptual stage the control system design group faced the challenges that face all control system designers: (1) to force the machine designers to quantify and codify the system requirements, (2) to protect the investment in hardware and software from rapid obsolescence, and (3) to find methods of quickly incorporating new generations of equipment and replace obsolete equipment without disrupting the existing system. To solve these and related problems, the APS control system group made an early resolution to use standards in the design of the system. This paper will cover the present status of the APS control system as well as discuss the design decisions which led us to use industrial standards and collaborations with other laboratories whenever possible to develop a control system. |
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| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD04 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD05 | The ESRF Control System; Status and Highlights | 121 |
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| The European Synchrotron Radiation Facility (ESRF) will operate a 6 GeV e⁻/e⁺ storage ring of 850 m circumference to deliver to date unprecedented high brilliance X-rays to the European research community. The ESRF is the first member of a new generation of Synchrotron Radiation Sources, in which the brilliance of the beam and the utilization of insertion devices are pushed to their present limits. Commissioning of the facility’s storage ring will start in spring 1992. A full energy injector, consisting of a 200 MeV linear preinjector and a 6GeV fast cycling synchrotron (l0 Hz) of 350 m circumference have been successfully commissioned during the last months. The machine control system for this facility, which is under construction since 1988, is still under development, but its initial on-site operation this year has clearly made easier the commissioning of the preinjector plant. A description of the current system is given and application software for start-up is briefly described. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD05 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD06 | Centralized Multiprocessor Control System for the Frascati Storage Rings DA{Φ}NE | 128 |
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| We describe the status of the DANTE (DA¿NE New Tools Environment) control system for the new DA{Φ}NE {Φ}-factory under construction at the Frascati National Laboratories. The system is based on a centralized communication architecture for simplicity and reliability. A central processor unit coordinates all communications between the consoles and the lower level distributed processing power, and continuously updates a central memory that contains the whole machine status. We have developed a system of VME Fiber Optic interfaces allowing very fast point to point communication between distant processors. Macintosh II personal computers are used as consoles. The lower levels are all built using the VME standard. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD06 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD07 | The Operator View of the Superconducting at LNS Catania | 131 |
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| The upper level of a distributed control system designed for the superconducting Cyclotron (SC), will be discussed. In particular, we will present a detailed description of the operator view of this accelerator along with the tools for I/O points management, data rappresentations, data archiving and retrieval. A dedicated program, developed by us, working under X-Window will be described as a starting point for a new man-machine interface approach in small laboratories opposed to the first industrial available packages. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD07 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD08 | The UNK Control System | 134 |
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| The IHEP proton Accelerating and Storage Complex (UNK) includes in its first stage a 400 GeV conventional and a 3000 GeV superconducting ring placed in the same underground tunnel of 20.7 km circumference. The beam will be injected into UNK from the existing 70 GeV accelerator U-70. The experimental programme which is planned to start in 1995, will include 3000 GeV fixed target and 400-3000 GeV colliding beams physics. The size and complexity of the UNK dictate a distributed multiprocessor architecture of the control system. About 4000 of 8/16 bit controllers, directly attached to the UNK equipment will perform low level control and data acquisition tasks. The equipment controllers will be connected via the MIL-1553 field bus to VME based 32-bit front end computers. The TCP/IP network will interconnect front end computers in the UNK equipment buildings with UNIX workstations and servers in the Main Control Room. The report presents the general architecture and current status of the UNK control. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD08 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD09 | Moscow University Race-Track Microtron Control System: Ideas and Development | 140 |
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| Moscow University race-track microtron (RTM) control system is a star-shape network of LSI-11 compatible microcomputers. Each of them is connected with RTM systems via CAMAC; optical fiber coupling is also used. Control system software is designed on Pascal-1, supplemented with real time modules and Macro. A unified real time technique and re-enterable data acquisition drivers allow to simplify development of control drivers and algorithms. Among the latter three main types are used: DDC methods, those, based on optimization technique and algorithms, applying models of microtron’s systems. Man-machine interface is based on concept of the "world of accelerator". It supports means to design, within hardware possibilities, various computer images of the RTM. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD09 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD10 | Present Status of Control System at the SRRC | 143 |
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| The modern control technique was used to design and set up a control system for the synchrotron radiation facilities at the synchrotron radiation research center (SRRC). This control system will be finally to operate the dedicated machine to provide the 1.3 GeV synchrotron radiation light. The control system will control and monitor the components of storage ring, beam transport and injector system. The concept of the philosophy is to design a unique, simple structure and object-oriented graphic display control system. The SRRC control system has the major features such as two level architecture, high speed local area network with high level protocol, high speed microprocessor based VME crate, object-oriented high performance control console and graphic display. The computer hardware system was set up and tested. The software in top level computers which include database server, network server, upload program, data access program, alarm checking and display, as well as graphics user interface (GUI) program were developed and tested. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD10 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD11 | Status Report on Control System Development for PLS | 147 |
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Funding: Work supported by Pohang Iron & Steel Co., Ltd. (POSCO) and Ministry of Science and Technology (MOST), Government of Republic of Korea. Emphasizing reliability and flexibility, hierarchical architecture with distributed computers have been designed into the Pohang Light Source (PLS) computer control system. The PLS control system has four layers of computer systems connected via multiple data communication networks. This paper presents an overview of the PLS control system. The accelerator control system provides means for accessing all machine components so that the whole system could be monitored and controlled remotely. These tasks include setting magnet currents, collecting status data from the vacuum subsystem, taking orbit data with beam position monitors, feedback control of electron beam orbit, regulating the safety interlock monitors, and so forth. To design a control system which can perform these functions satisfactorily, certain basic design requirements must be fulfilled. Among these are reliability, capability, expa.nsibility, cost control, and ease of operation. |
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| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD11 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD12 | Design of SPring-8 Control System | 151 |
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| The control system of SPring-8 facility is designed. A distributed computer system is adopted with a three-hierarchy levels. All the computers are linked by computer networks. The network of upper level is a high-speed multi-media LAN such as FDDI which links sub-system control computers, and middle are Ethernet or MAP networks which link front end processors (FEP) such as VME system. The lowest is a field level bus which links VME and controlled devices. Workstations (WS) or X-terminals are useful for man-machine interfaces. For operating system (OS), UNIX is useful for upper level computers, and real-time OS’s for FEP’s. We will select hardwares and OS of which specifications are close to international standards. Since recently the cost of software has become higher than that of hardware, we introduce computer aided tools as many as possible for program developments. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD12 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD13 | Design of a Control System of the Linac for SPring-8 | 154 |
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| The design of a control system of the linac which is a large scale system including many unstable components like klystrons and modulatora. The linac for SPring-8 requires to be operated automatically for injection to the synchrotron. Under these conditions, we chose a distributed control system architecture of a single layer net-work to simplify the protocol of the net-work between the linac, the booster synchrotron and the storage ring. A VME computer of 68030 is put in every modulator of the linac, and all control signals are gathered to the nearest VME computer. OS-9 and OS-9000 are on trial for investigation of the performances. TCP/IP is tentatively chosen as a protocol of the net-work, but we expect that MAP/MMS makes a high performance, and we are preparing a test of it. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD13 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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| S03SRD14 | Control System for HIMAC Synchrotron | 156 |
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| A control system for HIMAC synchrotron has been designed. The system consists of a main computer, console workstations, a few small computers and VME-computers connected via Ethernet. The small computers are dedicated to the control of an injection line, an extraction line and an RF system. Power supplies in main rings are controlled by the VME-computers through FDI/FDO, DI/DO modules. This paper describes an overview of the synchrotron control system. | ||
| DOI • | reference for this paper ※ doi:10.18429/JACoW-ICALEPCS1991-S03SRD14 | |
| About • | Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 | |
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