6533b825fe1ef96bd1281e65

RESEARCH PRODUCT

Management and Control of the Read Out Processors (tpps) of the Aleph Time Projection Chamber

L.a.t. BauerdickE. BlucherD. SchlatterI. LehrausEdoardo MilottiJ. F. BoudreauMatthias KasemannA. VayakiF. SteegJuergen ThomasD.f. CowenB. W. LeclaireM. SchmellingA. MintenF. MorsaniJ. S. ConwayB. LofstedtA. JahnRobert RichterS. GaleottiB. GobboM. TakashimaR. P. JohnsonU. LarssonJ. RichsteinJ. A. WearA. W. HalleyW. WitzelingS. XueSalvator Roberto AmendoliaW. BlumA. LusianiSau Lan WuW. TejessyD. PassuelloStephen HaywoodMaria Agnese CiocciT. BarczewskiThomas LohseP. S. MarrochesiF. FidecaroS. RoehnD. CinabroL. RolandiR. SettlesG. StefaniniJ. May

subject

Nuclear and High Energy PhysicsAlephTime projection chamberComputer sciencebusiness.industryException handlingElectrical engineeringlaw.inventionSet (abstract data type)MicroprocessorData acquisitionSoftwareNuclear Energy and EngineeringlawElectrical and Electronic EngineeringProjection (set theory)businessComputer hardware

description

The readout of the Aleph time projection chamber (TPC) relies on a set of 72 time projection processors (TPPs), which are based on a Motorola 68020 microprocessor running a real-time operating system. The advanced processing capabilities of the TPPs allow them to perform in parallel a number of tasks, both during and outside of data acquisition, which are outlined. The management and control of such a large number of intelligent devices is presented. The discussion covers the hardware configuration of the TPPs; the software running the TPPs; their management, status, and control; exception handling and message logging; and the TPP monitoring tasks. >

yearjournalcountryeditionlanguage
1989-10-01
10.1109/23.41083http://hdl.handle.net/11568/829080