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Low-cost mixed reality simulator for industrial vehicle environments
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems. (Ubiquitous Computing Group)ORCID iD: 0000-0001-7722-5310
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-7134-9574
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-6020-1785
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0003-3163-6039
Show others and affiliations
2016 (English)In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Volume 9740, 2016, 597-608 p.Conference paper, Published paper (Refereed)
Abstract [en]

High-end industrial vehicle simulators are generally expensive and aim at providing a high level of realism. The access to such simulators is often a limited resource to researchers and developers who find themselves using a PC-based simulator instead. We challenge this approach by introducing a low-cost mixed reality simulator for industrial vehicles that allows to test new vehicle control concepts and design ideas in a rapid prototyping manner. Our simulator prototype consists of a head-mounted projection display, a CAVE-like room covered with a retro-reflective cloth and a rotatable chair with controls to steer an industrial vehicle. The created digital environment represents an obstacle course for an excavator and can be controlled by a joystick, a keyboard and can be explored by natural head movements. Performed user tests with 21 participants showed that the mixed reality simulator is perceived as more realistic, natural to use and provides a more immersive experience than a PC-based simulator with the same environment and controls.

Place, publisher, year, edition, pages
2016. 597-608 p.
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 9740
National Category
Human Computer Interaction Other Computer and Information Science
Identifiers
URN: urn:nbn:se:mdh:diva-31723DOI: 10.1007/978-3-319-39907-2_57Scopus ID: 2-s2.0-84978890790ISBN: 9783319399065 (print)OAI: oai:DiVA.org:mdh-31723DiVA: diva2:933489
Conference
8th International Conference on Virtual, Augmented and Mixed Reality, VAMR 2016 and Held as Part of 18th International Conference on Human-Computer Interaction, HCI International 2016; Toronto; Canada; 17 July 2016 through 22 July 2016
Available from: 2016-06-06 Created: 2016-06-06 Last updated: 2017-02-17Bibliographically approved
In thesis
1. Head-mounted Projection Display to Support and Improve Motion Capture Acting
Open this publication in new window or tab >>Head-mounted Projection Display to Support and Improve Motion Capture Acting
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Current and future animations seek for realistic motions to create an illusion of authentic and believable animations. A technology widely used to support this process is motion capture. Therefore, motion capture actors are used to enrich the movements of digital avatars with suitable and believable motions and emotions.

Acting for motion capture, as it is performed today, is a challenging work environment for actors and directors. Short preparation times, minimalistic scenery, limited information about characters and the performance as well as memorizing movements and spatial positions requires actors who are trained and able to highly rely on their acting and imagination skills. In many cases these circumstances can lead to performances with unnatural motions such as stiff looking and emotionless movements, as well as less believable characters. To compensate this, time-consuming repetitions of performances or post-processing of motion capture recordings is needed.

To improve this, we explore the possibilities of acting support and immersion through an interactive system supporting motion capture actors during their performances. In this process, we use an approach that combines research methods from interaction design and computer science. For our research, we firstly identify the challenges actors are facing in motion capture, as well as suggest possible concepts to support the actors. Thereafter, we explore initial prototypes built to support actors during their performance in a motion capture studio. The resulting insights from these initial prototypes led to the design exploration and development of a mixed reality head-mounted projection display that allows showing virtual scenery to the actors and provides real-time acting support. Thereafter, we describe our developed mixed reality application and our findings on how hardware and software prototypes can be designed as acting support, usable in a motion capture environment. A working prototype allowing to evaluate actors' experiences and performances was built as a proof-of-concept.

Additionally, we explored the possibility to use our developed mixed reality prototype in other fields and investigated its applicability for computer games and as an industrial simulator application.

Finally, we conducted user studies with traditionally trained theatre and TV actors, experienced motion capture actors and experts, evaluating the experiences with our prototype. The results of these user studies indicate that our application makes it easier for motion capture actors to get into demanded moods and to understand the acting scenario. Furthermore, we show a prototype that complies with the requirements of a motion capture environment, that has the potential to improve motion capture acting results and supports actors with their performances.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2016
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 203
National Category
Human Computer Interaction Other Computer and Information Science
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-31725 (URN)978-91-7485-275-2 (ISBN)
Public defence
2016-08-30, Lambda, Mälardalens högskola, Västerås, 09:15 (English)
Opponent
Supervisors
Available from: 2016-06-10 Created: 2016-06-06 Last updated: 2016-08-08Bibliographically approved
2. Exploring Interaction Design Perspectives on Heavy Vehicles
Open this publication in new window or tab >>Exploring Interaction Design Perspectives on Heavy Vehicles
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Interaction design is more crucial than ever as an ingredient in product development and digitalization. Its need is driven by a trend where software based functionality is becoming increasingly important in all types of product features, simultaneously as new technology moves the frontier where interaction between human and computer takes place. There is also a market demanding renewed experiences, more efficient, stimulating and fashionable, which enterprises seek to deliver to attract customers. Also[WM1] , as systems, for example vehicle systems, get increasingly information intense, the information exchange with the user becomes a factor for safe and successful operation, thus increasing the need for a proficient interaction design.

This research investigates how interaction technologies, interaction design principles, and machine information systems can be used to provide user experiences and efficient interaction between the operator and industrial mobile machines; for example, agricultural machines and construction machines. The research combines software engineering and interaction design together with an industrial perspective. It does so by studies, both in literature and through field studies of operators, by design exploration and prototype realization.

The thesis describes the design space for heavy vehicles through different perspectives. It outlines the principal dimensions of interaction design and the benefits of including design in product and services realization. It presents perspectives on the challenges for the different stakeholders involved, covering the operator of the machines, the software engineer and the designer. It depicts a method for gaining detailed insights into operator’s daily behavior, with minimal interference with their work. Furthermore, it introduces a tool for practitioners to explore interaction design using mixed reality and free head movements, and it investigates possible interfaces using augmented reality.

Abstract [sv]

Interaktionsdesign är mer avgörande i produktutveckling och digitalisering än någonsin. Utvecklingen här drivs av en trend där mjukvarubaserad funktionalitet blir allt viktigare i alla typer av produkter samtidigt som ny teknik ökar designrymden för var samspelet mellan människa och dator kan äga rum. Användare efterfrågar förnyade upplevelser, mer effektiva, stimulerande och moderiktiga. Företag söker möta denna efterfrågan för att locka kunder och genera affärer. Dessutom, genom att system, exempelvis fordonssystem, blir allt mer informationsintensiva, blir sättet som informationsutbytet sker med användaren en allt viktigare faktor för säkerhet och funktionalitet. Sammantaget ökar behovet av en skickligt utförd interaktionsdesign.

Den här avhandlingen undersöker hur interaktionstekniker, interaktionsdesignsprinciper och informationssystem kan användas för att leverera användarupplevelser och effektiv interaktion för operatörer av industriella mobila maskiner, exempelvis jordbruksmaskiner och anläggningsmaskiner. Forskningen kombinerar interaktionsdesign och mjukvaruutveckling i ett industriellt kontext. Forskningen har bedrivits genom studier, i litteratur och etnografiska studier av användare i fält, genom utforskande design och genom prototyprealisering.

Avhandlingen beskriver designrymden för industrifordon från flera perspektiv. Dels från perspektiven av de grundläggande elementen inom interaktionsdesign, processerna för att skapa och forska inom interaktionsdesign samt fördelarna med designdriven produkt- och tjänste-förverkligande. Vidare tar den upp perspektiv utifrån situationen och utmaningarna för inblandade aktörer, såsom operatören av maskinen, mjukvaruutvecklaren och designern. Avhandlingen bidrar också med praktiska perspektiv, dels en metod för att få detaljerad inblick i operatörens dagliga beteende med minimal störning i sitt arbete, och dels ett verktyg för interaktionsdesigners att undersöker möjliga designs med virtuell förstärkt verklighet med hjälp av blandad virtuell verklighet och fria huvudrörelser.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2017
Series
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 254
National Category
Human Computer Interaction
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-34906 (URN)978-91-7485-313-1 (ISBN)
Presentation
2017-03-31, Gamma, Mälardalens högskola, Västerås, 13:15 (English)
Opponent
Supervisors
Available from: 2017-02-17 Created: 2017-02-17 Last updated: 2017-03-16Bibliographically approved

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