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Optimising energy characteristics of Head Worn Displays for active use in factory environments
Heilbronn University.ORCID iD: 0000-0001-8677-2148
Heilbronn University.
AUDI AG.
AUDI AG.
Show others and affiliations
2016 (English)In: 2016 8th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), New York: IEEE, 2016, Vol. 8, 219-224 p.Conference paper, (Refereed)
Abstract [en]

In this work it is described how to successfully extend the operating time of android-based wearable devices exemplified using the Head Worn Display Glass of Google Inc. Therefore, a use case at the AUDI A8 production line was picked for which an application already has been implemented. Ways to optimise power consumption have been examined and the usability of the application was improved by continuing applying the Human Centred Design process as described in ISO 9241-210. Hence, users were interviewed and their opinion on Mock-Ups and (functional) prototypes have been considered from the very beginning of the development process. The application finally was evaluated in a testing environment. It could be used without the interruptions by overheating or lack of battery capacity, which occurred before. Furthermore, the participants were able to fulfil their work tasks about 25 s faster than without the device.

Place, publisher, year, edition, pages
New York: IEEE, 2016. Vol. 8, 219-224 p.
Keyword [en]
Wearable computers, Energy conservation, Human computer interaction
National Category
Human Computer Interaction
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-205340DOI: 10.1109/ICUMT.2016.7765360ISI: 000392263300038Scopus ID: 2-s2.0-85006825752ISBN: 978-1-4673-8818-4 (electronic)OAI: oai:DiVA.org:kth-205340DiVA: diva2:1088606
Conference
International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)
Note

QC 20170425

Available from: 2017-04-13 Created: 2017-04-13 Last updated: 2017-04-26Bibliographically approved
In thesis
1. Exploring the Potential of Head Worn Displays for Manual Work Tasks in Industrial Environments
Open this publication in new window or tab >>Exploring the Potential of Head Worn Displays for Manual Work Tasks in Industrial Environments
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis I explore the potential of modern Head-Worn Displays for aiding manual work tasks in the manufacturing industries. In such settings, workers are already supported by using mobile hand-held devices that show instructions and enable the worker to document work tasks. However, the most important disadvantage of hand-held devices is that users need to put them aside when performing tasks that require both of their hands. The current generation of Head-Worn Displays promises hands-free usage with little added complexity and also enables the augmentation of workers’ vision,

thereby supporting the work task in a more effective and efficient way.

For assessing the potential of Head-Worn Displays on factory floors, a series of studies has been conducted. The studies have been carried out directly on the production line of a German car manufacturer together with workers or in-lab, depending on the study goals. Together with workers and managers in the industrial settings we identified two work tasks whereby support for Head-Worn Displays showed good potential for increasing productivity, quality and worker comfort. The Head-Worn Display support was improved in an iterative manner within a Human-Centred Design approach.

The thesis contributes with experiences on introducing Head-Worn Displays in real world settings and for long time periods. The recorded productivity increases attributed to the Head-Worn Displays are discussed, along with worker and manager feedback. For long-term use on a factory floor, extending battery operating time was found to be of central importance. CPU and Camera were identified as the most energy consuming devices and an approach to address that is presented. A benchmark suite is introduced to enable designers, developers, and project managers to make informed decisions when selecting Head-Worn Displays. Finally, a theoretical discussion of Head-Worn Displays is presented by situating them in a sense-based Augmented Reality taxonomy, I proposed.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. 50 p.
Series
TRITA-CSC-A, ISSN 1653-5723 ; 2017:10
Keyword
Head Worn Displays, Work Support, Augmented Reality
National Category
Human Computer Interaction Interaction Technologies
Research subject
Computer Science; Human-computer Interaction
Identifiers
urn:nbn:se:kth:diva-206119 (URN)978-91-7729-338-5 (ISBN)
Presentation
2017-05-04, 1440, Lindstedsvägen 3, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

QC 20170426

Available from: 2017-04-26 Created: 2017-04-26 Last updated: 2017-04-26Bibliographically approved

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