Overview and future developments of the FPGA-based DAQ of COMPASS

被引：8

作者：

Bai, Y. ^{[1
]}

Bodlak, M. ^{[2
]}

Frolov, V. ^{[3
,4
]}

Jary, V. ^{[5
]}

Huber, S. ^{[1
]}

Konorov, I. ^{[1
]}

Levit, D. ^{[1
]}

Novy, J. ^{[4
,5
]}

Steffen, D. ^{[1
,4
]}

Virius, M. ^{[5
]}

机构：

[1] Tech Univ Munich, Phys Dept E18, James Franck Str 1, D-85748 Garching, Germany

[2] Charles Univ Prague, Dept Low Temp Phys, V Holesovickach 2, CR-18000 Prague 8, Czech Republic

[3] Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow Region, Russia

[4] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[5] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, CR-11519 Prague 1, Czech Republic

来源：

JOURNAL OF INSTRUMENTATION | 2016年 / 11卷

关键词：

Data acquisition concepts; Data acquisition circuits;

D O I：

10.1088/1748-0221/11/02/C02025

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

COMPASS is a fixed-target experiment at the SPS at CERN dedicated to the study of hadron structure and spectroscopy. Since 2014, a hardware event builder consisting of nine custom designed FPGA-cards replaced the previous online computers increasing compactness and scalability of the DAQ. By buffering data, the system exploits the spill structure of the SPS and averages the maximum on-spill data rate over the whole SPS cycle. From 2016, a crosspoint switch connecting all involved high-speed links shall provide a fully programmable system topology and thus simplifies the compensation for hardware failure and improves load balancing.

引用

页数：10

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