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Remote and on-site laboratory system for low-power digital circuit design

  • The design of an efficient digital circuit in term of low-power has become a very challenging issue. For this reason, low-power digital circuit design is a topic addressed in electrical and computer engineering curricula, but it also requires practical experiments in a laboratory. This PhD research investigates a novel approach, the low-power design laboratory system by developing a new technical and pedagogical system. The low-power design laboratory system is composed of two types of laboratories: the on-site (hands-on) laboratory and the remote laboratory. It has been developed at the Bonn-Rhine-Sieg University of Applied Sciences to teach low-power techniques in the laboratory. Additionally, this thesis contributes a suggestion on how the learning objectives can be complemented by developing a remote system in order to improve the teaching process of the low-power digital circuit design. This laboratory system enables online experiments that can be performed using physical instruments and obtaining real data via the internet. The laboratory experiments use a Field Programmable Gate Array (FPGA) as a design platform for circuit implementation by students and use image processing as an application for teaching low-power techniques. This thesis presents the instructions for the low-power design experiments which use a top-down hierarchical design methodology. The engineering student designs his/her algorithm with a high level of abstraction and the experimental results are obtained and measured at a low level (hardware) so that more information is available to correctly estimate the power dissipation such as specification, latency, thermal effect, and technology used. Power dissipation of the digital system is influenced by specification, design, technology used, as well as operating temperature. Digital circuit designers can observe the most influential factors in power dissipation during the laboratory exercises in the on-site system and then use the remote system to supplement investigating the other factors. Furthermore, the remote system has obvious benefits such as developing learning outcomes, facilitating new teaching methods, reducing costs and maintenance, cost-saving by reducing the numbers of instructors, saving instructor time and simplifying their tasks, facilitating equipment sharing, improving reliability, and finally providing flexibility of usage the laboratories.
  • In den Studiengängen Elektrotechnik und Informatik stellt der Entwurf energieeffizienter digitaler Schaltkreise Studierende vor große Herausforderungen. Daher wird dieses Thema in den jeweiligen Lehrplänen nicht nur theoretisch behandelt, sondern auch in Form praktischer Versuche im Labor aufgegriffen. Um Studierenden die praktischen Low-Power Techniken im Labor im Präsenzlabor zu vermitteln, wurde dazu an der Hochschule Bonn-Rhein-Sieg EduPow, ein Low-Power Design System, entwickelt. In dieser Dissertation wird diskutiert, wie das Erreichen der Lernziele durch ein Remote-System ergänzend unterstützt werden kann, um die Vermittlung digitaler Low-Power Schaltkreise zu verbessern. Diese Arbeit untersucht den methodischen Zugang des Low-Power Laborsystems als neues technisches und didaktisches Konzept. Das Low-Power Laborsystem stellt Online-Experimente zur Verfügung, die über das Internet mit existierender Hardware durchgeführt werden und somit reale Ergebnisse liefern. Die Studierenden erwerben Kenntnisse zu Low-Power Techniken am Beispiel von Bildverarbeitungsalgorithmen. Zur Implementierung der Schaltkreise wird als Designplattform ein FPGA(Field Programmable Gate Array)-System eingesetzt.

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Metadaten
Document Type:Doctoral Thesis
Language:English
Author:Shatha AbuShanab
Pagenumber:xvii, 114
URL:https://nbn-resolving.org/urn:nbn:de:hbz:467-13459
Referee:Rainer Brück, Daniel Pittich
Place of publication:Siegen
Contributing Corporation:Universität Siegen
Date of first publication:2018/08/23
Note:
Diese Dissertation beruht auf Forschungsergebnissen, die an der Hochschule Bonn-Rhein-Sieg erarbeitet wurden.
Tag:Digital design; FPGA; Low-power design; Remote laboratory
Departments, institutes and facilities:Graduierteninstitut
Dewey Decimal Classification (DDC):6 Technik, Medizin, angewandte Wissenschaften / 60 Technik / 607 Ausbildung, Forschung, verwandte Themen
Entry in this database:2018/09/04