LHCb silicon tracker DAQ and ECS online systems

Daniel Esperante; P. Rodríguez; A. Büchler; A. Keune; A. Bay; F. Blanc; M. O. Bettler; G. Conti; V. Fave; R. Frei; N. Gueissaz; G. Haefeli; J. Luisier; R. Muresan; T. Nakada; M. Needham; L. Nicolas; M. Knecht; A. Perrin; C. Potterat; O. Schneider; M. Tran; C. Bauer; M. Britsch; W. Hofmann; F. Maciuc; M. Schmelling; H. Voss; U. Straumann; J. Anderson; N. Chiapolini; V. Hangartner; C. Salzmann; S. Steiner; O. Steinkamp; J. Van Tilburg; M. Tobin; A. Vollhardt; B. Adeva; J. Fungueiriño Pazos; A. Gallas; A. Pazos Alvarez; E. Pérez Trigo; M. Pló Casasús; J. Saborido; P. Vázquez; A. Gong; V. Iakovenko; O. Okhrimenko; V. Pugatch

doi:10.1109/TNS.2009.2035117

LHCb silicon tracker DAQ and ECS online systems

Daniel Esperante, P. Rodríguez, A. Büchler, A. Keune, A. Bay, F. Blanc, M. O. Bettler, G. Conti, V. Fave, R. Frei, N. Gueissaz, G. Haefeli, J. Luisier, R. Muresan, T. Nakada, M. Needham, L. Nicolas, M. Knecht, A. Perrin, C. PotteratO. Schneider, M. Tran, C. Bauer, M. Britsch, W. Hofmann, F. Maciuc, M. Schmelling, H. Voss, U. Straumann, J. Anderson, N. Chiapolini, V. Hangartner, C. Salzmann, S. Steiner, O. Steinkamp, J. Van Tilburg, M. Tobin, A. Vollhardt, B. Adeva, J. Fungueiriño Pazos, A. Gallas, A. Pazos Alvarez, E. Pérez Trigo, M. Pló Casasús, J. Saborido, P. Vázquez, A. Gong, V. Iakovenko, O. Okhrimenko, V. Pugatch

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The LHCb experiment at CERN is designed to perform precision measurements of b quark decays. The Silicon Tracker plays a crucial role in reconstructing particle trajectories and consists of two silicon micro-strip detectors, the Tracker Turicensis and the Inner Tracker. The radiation environment and the magnetic field represent new challenges for the implementation of the Experiment Control System (ECS) and the data acquisition (DAQ). The DAQ has to deal with ̃ 272 000 analog read-out channels and real-time DAQ at a rate of ̃ 1.1 MHz with data processing at the Trigger Electronics and L1 (TELL1) board level. The TELL1 real-time algorithms for clustering thresholds and other computations run on dedicated FPGAs. After data processing the total throughput amounts to about 6.4 GB from an input data rate of ̃ 337 GB per second. The ECS is based on the hierarchical finite state machine paradigm and allows distributed control access and multi-platform use. The ECS is able to control and monitor the detector hardware infrastructure (power supplies, DAQ electronics . . .) as well as monitor the environmental parameters. It can also take automated actions on warnings or alarms. Finally a completely independent, hardware based safety system ensures the detector safe operation.

Original language	English (US)
Article number	5446490
Pages (from-to)	569-576
Number of pages	8
Journal	IEEE Transactions on Nuclear Science
Volume	57
Issue number	2 PART 1
DOIs	https://doi.org/10.1109/TNS.2009.2035117
State	Published - Apr 2010
Externally published	Yes

Keywords

Control system
Data processing
Hierarchical finite state machines
SCADA systems

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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10.1109/TNS.2009.2035117

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Esperante, D., Rodríguez, P., Büchler, A., Keune, A., Bay, A., Blanc, F., Bettler, M. O., Conti, G., Fave, V., Frei, R., Gueissaz, N., Haefeli, G., Luisier, J., Muresan, R., Nakada, T., Needham, M., Nicolas, L., Knecht, M., Perrin, A., ... Pugatch, V. (2010). LHCb silicon tracker DAQ and ECS online systems. IEEE Transactions on Nuclear Science, 57(2 PART 1), 569-576. Article 5446490. https://doi.org/10.1109/TNS.2009.2035117

Esperante, D, Rodríguez, P, Büchler, A, Keune, A, Bay, A, Blanc, F, Bettler, MO, Conti, G, Fave, V, Frei, R, Gueissaz, N, Haefeli, G, Luisier, J, Muresan, R, Nakada, T, Needham, M, Nicolas, L, Knecht, M, Perrin, A, Potterat, C, Schneider, O, Tran, M, Bauer, C, Britsch, M, Hofmann, W, Maciuc, F, Schmelling, M, Voss, H, Straumann, U, Anderson, J, Chiapolini, N, Hangartner, V, Salzmann, C, Steiner, S, Steinkamp, O, Van Tilburg, J, Tobin, M, Vollhardt, A, Adeva, B, Pazos, JF, Gallas, A, Alvarez, AP, Trigo, EP, Casasús, MP, Saborido, J, Vázquez, P, Gong, A, Iakovenko, V, Okhrimenko, O & Pugatch, V 2010, 'LHCb silicon tracker DAQ and ECS online systems', IEEE Transactions on Nuclear Science, vol. 57, no. 2 PART 1, 5446490, pp. 569-576. https://doi.org/10.1109/TNS.2009.2035117

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title = "LHCb silicon tracker DAQ and ECS online systems",

abstract = "The LHCb experiment at CERN is designed to perform precision measurements of b quark decays. The Silicon Tracker plays a crucial role in reconstructing particle trajectories and consists of two silicon micro-strip detectors, the Tracker Turicensis and the Inner Tracker. The radiation environment and the magnetic field represent new challenges for the implementation of the Experiment Control System (ECS) and the data acquisition (DAQ). The DAQ has to deal with{\~ } 272 000 analog read-out channels and real-time DAQ at a rate of{\~ } 1.1 MHz with data processing at the Trigger Electronics and L1 (TELL1) board level. The TELL1 real-time algorithms for clustering thresholds and other computations run on dedicated FPGAs. After data processing the total throughput amounts to about 6.4 GB from an input data rate of{\~ } 337 GB per second. The ECS is based on the hierarchical finite state machine paradigm and allows distributed control access and multi-platform use. The ECS is able to control and monitor the detector hardware infrastructure (power supplies, DAQ electronics . . .) as well as monitor the environmental parameters. It can also take automated actions on warnings or alarms. Finally a completely independent, hardware based safety system ensures the detector safe operation.",

keywords = "Control system, Data processing, Hierarchical finite state machines, SCADA systems",

author = "Daniel Esperante and P. Rodr{\'i}guez and A. B{\"u}chler and A. Keune and A. Bay and F. Blanc and Bettler, {M. O.} and G. Conti and V. Fave and R. Frei and N. Gueissaz and G. Haefeli and J. Luisier and R. Muresan and T. Nakada and M. Needham and L. Nicolas and M. Knecht and A. Perrin and C. Potterat and O. Schneider and M. Tran and C. Bauer and M. Britsch and W. Hofmann and F. Maciuc and M. Schmelling and H. Voss and U. Straumann and J. Anderson and N. Chiapolini and V. Hangartner and C. Salzmann and S. Steiner and O. Steinkamp and {Van Tilburg}, J. and M. Tobin and A. Vollhardt and B. Adeva and Pazos, {J. Fungueiri{\~n}o} and A. Gallas and Alvarez, {A. Pazos} and Trigo, {E. P{\'e}rez} and Casas{\'u}s, {M. Pl{\'o}} and J. Saborido and P. V{\'a}zquez and A. Gong and V. Iakovenko and O. Okhrimenko and V. Pugatch",

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doi = "10.1109/TNS.2009.2035117",

language = "English (US)",

volume = "57",

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AU - Esperante, Daniel

AU - Rodríguez, P.

AU - Büchler, A.

AU - Keune, A.

AU - Bay, A.

AU - Blanc, F.

AU - Bettler, M. O.

AU - Conti, G.

AU - Fave, V.

AU - Frei, R.

AU - Gueissaz, N.

AU - Haefeli, G.

AU - Luisier, J.

AU - Muresan, R.

AU - Nakada, T.

AU - Needham, M.

AU - Nicolas, L.

AU - Knecht, M.

AU - Perrin, A.

AU - Potterat, C.

AU - Schneider, O.

AU - Tran, M.

AU - Bauer, C.

AU - Britsch, M.

AU - Hofmann, W.

AU - Maciuc, F.

AU - Schmelling, M.

AU - Voss, H.

AU - Straumann, U.

AU - Anderson, J.

AU - Chiapolini, N.

AU - Hangartner, V.

AU - Salzmann, C.

AU - Steiner, S.

AU - Steinkamp, O.

AU - Van Tilburg, J.

AU - Tobin, M.

AU - Vollhardt, A.

AU - Adeva, B.

AU - Pazos, J. Fungueiriño

AU - Gallas, A.

AU - Alvarez, A. Pazos

AU - Trigo, E. Pérez

AU - Casasús, M. Pló

AU - Saborido, J.

AU - Vázquez, P.

AU - Gong, A.

AU - Iakovenko, V.

AU - Okhrimenko, O.

AU - Pugatch, V.

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AB - The LHCb experiment at CERN is designed to perform precision measurements of b quark decays. The Silicon Tracker plays a crucial role in reconstructing particle trajectories and consists of two silicon micro-strip detectors, the Tracker Turicensis and the Inner Tracker. The radiation environment and the magnetic field represent new challenges for the implementation of the Experiment Control System (ECS) and the data acquisition (DAQ). The DAQ has to deal with ̃ 272 000 analog read-out channels and real-time DAQ at a rate of ̃ 1.1 MHz with data processing at the Trigger Electronics and L1 (TELL1) board level. The TELL1 real-time algorithms for clustering thresholds and other computations run on dedicated FPGAs. After data processing the total throughput amounts to about 6.4 GB from an input data rate of ̃ 337 GB per second. The ECS is based on the hierarchical finite state machine paradigm and allows distributed control access and multi-platform use. The ECS is able to control and monitor the detector hardware infrastructure (power supplies, DAQ electronics . . .) as well as monitor the environmental parameters. It can also take automated actions on warnings or alarms. Finally a completely independent, hardware based safety system ensures the detector safe operation.

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KW - SCADA systems

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LHCb silicon tracker DAQ and ECS online systems

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