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SMI++ — Object-oriented framework for designing control systems for HEP experiments

✍ Scribed by C. Gaspar; B. Franek

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
339 KB
Volume
110
Category
Article
ISSN
0010-4655

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✦ Synopsis

In order to cope with the complexity of the online control system, the DELPHI experiment at CERN (Aarnio et al., DELPHI Collaboration, Nucl. Instr. & Methods Phys. Res. A 303 (1991) 233-276) developed, in collaboration with the CERN OC group, a new concept for the coding of the control logic. In this concept -SMI, the State Management Interface (Barlow et al., IEEE Trans. Nucl. Sci. 36 (1989) 1549-1553) -the experiment is viewed as a collection of objects behaving as finite state machines. These objects are typically organized in hierarchical structures, allowing up to the full automation of the experiment by a a top-level object. This concept has been extended and is being redesigned using object-oriented techniques in SMI++ for the BaBar experiment at SLAC.

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