All scientific data acquisition systems have a control system. All control systems try to offer similar functionality but they are often implemented in very different ways. This is true for synchrotron and neutron facility beamlines too. There are almost as many control systems as there are synchrotron and neutron institutes in the world. At first sight these control systems look different but a deeper look reveals them to be variations on the same theme. This commonality between control systems forms the basis of the Grand Unified Model of control systems. Drawing on the combined experience of the authors this paper explores what is common in scientific control systems. All unique elements taken together make up the GUM. Any control system which contains all the elements identified by the GUM, will have satisfied most if not all of the needs of a scientific control system. Common elements also means a common development environment. The authors make a proposal for developing a common graphical user interface for control systems which satisfy the GUM based on Gumtree. Gumtree is the integrated scientific workbench being developed by ANSTO for the Replacement Research Reactor in Sydney. See papers by T.Lam and P.Hathaway at this conference.
Abstract File: abstract00125.txt
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