The development of a burn-in test station at Wits for the Phase-II upgrade of the Tile Calorimeter of the ATLAS experiment

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dc.contributor.authorNjara, Nkosiphendule
dc.contributor.supervisorMellado, Bruce
dc.date.accessioned2024-11-11T15:10:16Z
dc.date.available2024-11-11T15:10:16Z
dc.date.issued2023-07
dc.descriptionA dissertation submitted in partial fulfillment of the requirements for the degree of Master of Science (Institute for Collider Particle Physics), to the Faculty of science, in the School of Physics, University of the Witwatersrand, Johannesburg, 2023.
dc.description.abstractThe University of the Witwatersrand is responsible for producing over 1200 Low Voltage Power Supply (LVPS) bricks to power the on-detector electronics of the Tile Calorimeter (TileCal) of the ATLAS detector in preparation for the Phase II upgrade. The LVPS brick is a DC/DC switch-mode power supply module that steps down a 200 VDC input to a 10 VDC output. Before being sent to CERN for installation, the LVPS bricks must undergo a quality assurance test. To ensure that these electronic devices meet the necessary standards for high-quality and reliability, the University of the Witwatersrand employs a burn-in test station that subjects them to electronic tests at elevated temperatures and other stressful conditions. The burn-in test station comprises of different Printed Circuit Boards (PCBs), each responsible for various functions, and a PIC microcontroller needs to be programmed for each board to perform its respective functions. An assembler MPLABX IDE and a compiler (CCS) are used for programming the PIC microcontroller, and the Labview software is used as the control program for the burn-in test station. A simulation was used in Proteus software to test the firmware functionality before programming the hardware. Preliminary results of the current version (version 8.4.2) of the LVPS brick are discussed.
dc.description.sponsorshipNational Research Foundation (NRF).
dc.description.submitterMMM2024
dc.facultyFaculty of Science
dc.identifier0000-0002-1793-1990
dc.identifier.citationNjara, Nkosiphendule. (2023). The development of a burn-in test station at Wits for the Phase-II upgrade of the Tile Calorimeter of the ATLAS experiment. [Master's dissertation, University of the Witwatersrand, Johannesburg]. https://hdl.handle.net/10539/42346
dc.identifier.urihttps://hdl.handle.net/10539/42346
dc.language.isoen
dc.publisherUniversity of the Witwatersrand, Johannesburg
dc.rights©2023 University of the Witwatersrand, Johannesburg. All rights reserved. The copyright in this work vests in the University of the Witwatersrand, Johannesburg. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of University of the Witwatersrand, Johannesburg.
dc.rights.holderUniversity of the Witwatersrand, Johannesburg
dc.schoolSchool of Physics
dc.subjectATLAS experiment
dc.subjectTile Calorimeter
dc.subjectLow Voltage Power Supply Brick, Burn-in test station
dc.subjectBurn-in test station
dc.subjectUCTD
dc.subject.otherSDG-13: Climate action
dc.titleThe development of a burn-in test station at Wits for the Phase-II upgrade of the Tile Calorimeter of the ATLAS experiment
dc.typeDissertation
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