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Last update: Apr 1, 2000

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Designing a HEP Experiment Control System; lessons to be learned from 10 years evolution and operation of the Delphi experiment

Andre Augustinus1, Philippe Charpentier1, Mark Donszelmann1, Clara Gaspar1, Philippe Gavillet1, Michel Jonker1, Tim Adye2, Boda Franek2, Robert Sekulin2, Gareth Smith2
  1. CERN, Geneva, Switzerland
  2. RAL, Discot, England

Speaker: Andre Augustinus

  The Delphi experiment is one of the four experiments on the LEP accelerator at CERN. It started its operation in august 1989 and the Experiment Control System has been evolving constantly since.
  We will describe the evolution from a system with almost completely separated components (data acquisition, slow-controls, trigger, ... ) to a fully integrated Experiment Control System. Explain how this was possible by taking advantage of new technologies in various domains, gain of expertise and a better understanding of the behaviour of the components. We will highlight the main reasons for this evolution, and the boundary conditions that made this possible.
  We will extract some lessons that we have learned in the evolution and the operation of the system over this lapse of time and should be retained for the design of Experiment Control Systems for future big HEP experiments.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 

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