Maximum Integrated Data Acquisition System: Difference between revisions

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{{for|other uses of "MIDAS"|MIDAS (disambiguation)}}

{{Infobox software

{{Infobox_Software

| name = MIDAS

| logo = midas daq logo.jpg

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| website = {{URL|midas.psi.ch}}

}}

'''MIDAS''' is a [[Datadata acquisition|DAQ]] package developed at the [[Paul Scherrer Institute]], Switzerland, and [[TRIUMF]], Canada. It was designed for [[particle detector]]s using [[Computer Automated Measurement and Control|CAMAC]] and [[VMEbus]] hardware.

== Description ==

MIDAS (Maximum Integration Data Acquisition System) has been developed as a general purpose data acquisition system for small and medium scale experiments originally by [[Stefan Ritt]] in 1993, followed by Pierre-André Amaudruz in 1996. It is written in [[C (programming language)|C]] and published under the [[GPL]].

The experiment complexity ranges from test systems, where a single PC is connected to CAMAC via a PC-CAMAC interface, to experiments with several front-end computers and analysis nodes. The system currently runs under [[Linux]], [[MSMicrosoft Windows]], various versions of UNIX, [[OpenVMS|VMS]], [[VxWorks]] and [[MS-DOS]] and can be ported easily to virtually any operating system which supports [[Internet socket|TCP/IP sockets]].

A speed -optimized RPC layer is used for data exchange, with which sustained data rates of 980kB980 kB/s ([[10BaseT10BASE-T]]), 8.7  MB/s ([[100BaseT100BASE-TX]]) and up to 98MB98 MB/s ([[Gigabit Ethernet|1000BaseT1000BASE-T]]). An integrated slow control system contains a fast online database and a history system. Drivers exist for CAMAC, VME, Fastbus, High Voltage Crates, GBIB and several PC plug-in DAQ boards. A framework is supplied which can be extended by user code for front-end readout on one side and data analysis on the other side. The online data can be presented by [[Physics Analysis Workstation|PAW]] as histograms and N-tuples as well as by [[ROOT]]. A dedicated HTTP server gives fast Web access for experiment control and to access the slow control system including a graphical representation of variable trends (history display).

== Usage of MIDAS ==

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* Laboratory for Muon Spin Spectroscopy<ref>{{cite web|url=http://www.psi.ch/lmu|title=Paul Scherrer Institut (PSI)|website=psi.ch}}</ref> at PSI

* TWIST experiment at [[TRIUMF]]

* Various ISAC experiments<ref>{{cite web |url=https://daq-plone.triumf.ca/SR/MIDAS/aroundworld.html |title=MIDAS around the world — DAQ Plone Site |website=daq-plone.triumf.ca |access-date=13 January 2022 |archive-url=https://web.archive.org/web/20110706205828/https://daq-plone.triumf.ca/SR/MIDAS/aroundworld.html |archive-date=6 July 2011 |url-status=dead}}</ref> at TRIUMF

* [[T2K experiment]] in Japan

* [[DEAP-3600]] experiment at [[SNOLAB]]

* [[Muon g-2]] experiment at [[Fermilab]]

* [[ASACUSA]] experiment at [[AD, CERN]]

* [[ALPHA experiment]] at [[CERN]]

==References==