The experimental physics and industrial control system architecture: past, present, and future

Dalesio, Leo; Hill, J.O.; Kraimer, M.R.; Lewis, S. A.; Murray, D.W.; Hunt, S.; Watson, William A.; Clausen, M.; Dalesio, John

doi:10.1016/0168-9002(94)91493-1

Cited by 203 publications

(102 citation statements)

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“…Following this, fine alignment is achieved using X-rays. Low-level instrument control is performed via an Experimental Physics and Industrial Control System (EPICS) interface (Dalesio et al, 1994). However, the user interface and high-level control is provided by the Generic Data Acquisition (GDA) software (Enderby & Pulford, 2004;Gibbons, 2008).…”

Section: Methodsmentioning

confidence: 99%

Quantitative investigation of linear arbitrary polarization in an APPLE-II undulator

Hand

Wang

Maccherozzi

et al. 2018

J Synchrotron Radiat

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Insertion devices are utilized at synchrotron radiation facilities around the world for their capability to provide a high-brilliance X-ray beam. APPLE-II type undulators are especially important for their capacity to switch between a variety of photon beam polarization states. A high-precision soft X-ray polarimeter has been used to investigate the polarization calibration of an APPLE-II undulator (period length u = 64 mm) installed on beamline I06 at Diamond Light Source. Systematic measurement of the beam polarization state at a range of linear arbitrary angles has been compared with the expected result for a given set of undulator gap and row phase parameters calculated from theory. Determination of the corresponding Stokes-Poincaré parameters from the measured data reveals a discrepancy between the two. The limited number of energy/polarization combinations included in the undulator calibration tables necessitates the use of interpolated values for the missing points which is expected to contribute to the discrepancy. However, by modifying the orbit of the electron beam through the undulator by at least 160 mm it has been found that for certain linear polarizations the discrepancies can be corrected. Overall, it is suggested that complete correction of the Stokes-Poincaré parameters for all linear angles would require alteration of both these aspects.

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Section: Methodsmentioning

confidence: 99%

Quantitative investigation of linear arbitrary polarization in an APPLE-II undulator

Hand

Wang

Maccherozzi

et al. 2018

J Synchrotron Radiat

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“…The DØ experiment has extended EPICS (Experimental Physics and Industrial Control System) [121] to meet the control and monitoring requirements of a large high energy physics detector. EPICS, an integrated set of software building blocks for implementing a distributed control system, has been adapted to satisfy the slow controls needs of the detector by i) extending the support for new device types and an additional field bus, ii) the addition of a global event reporting system that augments the existing EPICS alarm support, and iii) the addition of a centralized database with supporting tools for defining the configuration of the control system.…”

Section: Controls and Monitoringmentioning

confidence: 99%

The upgraded DØ detector

Abazov¹,

Abbott²,

Abolins³

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

688

653

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The DØ experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements to the Tevatron and to enhance its physics capabilities. We describe the new elements of the detector, including the silicon microstrip tracker, central fiber tracker, solenoidal magnet, preshower detectors, forward muon detector, and forward proton detector. The uranium/liquid-argon calorimeters and central muon detector, remaining from Run I, are discussed briefly. We also present the associated electronics, triggering, and data acquisition systems, along with the design and implementation of software specific to DØ.

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“…Control system framework Modern accelerator control systems, such as the Experimental Physics and Industrial Control System (EPICS) [10], Distributed Object Oriented Control System (DOOCS) [11], Message and Database Oriented Control Architecture (MADOCA) [12], and Taco Next Generation Objects (TANGO) [13] are constructed based on corresponding frameworks.…”

Section: Control System Framework and Web-based Systemsmentioning

confidence: 99%

Development of wide area environment accelerator operation and diagnostics method

Uchiyama

Furukawa

2015

Phys. Rev. ST Accel. Beams

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Remote operation and diagnostic systems for particle accelerators have been developed for beam operation and maintenance in various situations. Even though fully remote experiments are not necessary, the remote diagnosis and maintenance of the accelerator is required. Considering remote-operation operator interfaces (OPIs), the use of standard protocols such as the hypertext transfer protocol (HTTP) is advantageous, because system-dependent protocols are unnecessary between the remote client and the onsite server. Here, we have developed a client system based on WebSocket, which is a new protocol provided by the Internet Engineering Task Force for Web-based systems, as a next-generation Web-based OPI using the Experimental Physics and Industrial Control System Channel Access protocol. As a result of this implementation, WebSocket-based client systems have become available for remote operation. Also, as regards practical application, the remote operation of an accelerator via a wide area network (WAN) faces a number of challenges, e.g., the accelerator has both experimental device and radiation generator characteristics. Any error in remote control system operation could result in an immediate breakdown. Therefore, we propose the implementation of an operator intervention system for remote accelerator diagnostics and support that can obviate any differences between the local control room and remote locations. Here, remote-operation Web-based OPIs, which resolve security issues, are developed.

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The experimental physics and industrial control system architecture: past, present, and future

Cited by 203 publications

References 0 publications

Quantitative investigation of linear arbitrary polarization in an APPLE-II undulator

Quantitative investigation of linear arbitrary polarization in an APPLE-II undulator

The upgraded DØ detector

Development of wide area environment accelerator operation and diagnostics method

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