Abstract
Background
Assistive robots could be a future means to support independent living for seniors.
Objective
This article provides insights into the latest developments in social service robots (SSR) based on the recently finished HOBBIT project. The idea of the HOBBIT project was to develop a low-cost SSR which is able to reduce the risk of falling, to detect falls and handle emergencies in private homes. The main objective of the project was to raise the technology to a level that allows the robot to be fully autonomously deployed in the private homes of older users and to evaluate technology market readiness, utility, usability and affordability under real-world conditions.
Method
During the initial phase of the project, a first prototype (PT1) was developed. The results of laboratory tests with PT1 were used for the development of a second prototype (PT2), which was finally tested in seven households of senior adults (mean age 79 years) for 3 weeks each, i.e. in total more than 5 months.
Results
The results showed that PT2 is intuitive to handle and that the functions offered meet the needs of older users; however, the robot was considered more as a toy than a supportive device for independent living. Furthermore, despite an emergency function of the robot, perceived security did not increase.
Conclusion
Reasons for this might be a lack of technological robustness and slow performance of the prototype and also the good health conditions of the users; however, users believed that a market-ready version of the robot would be vital for supporting people who are more fragile and more socially isolated. Thus, SSRs have the potential to support independent living of older people although the technology has to be considerably improved to reach market readiness.
Zusammenfassung
Hintergrund
Assistierende Roboter könnten in Zukunft älteren Menschen helfen, länger unabhängig zu bleiben.
Ziel der Arbeit
Dieser Beitrag gibt einen Einblick über den aktuellen Stand der Entwicklung von sozialen Servicerobotern (SSR) anhand des kürzlich abgeschlossenen HOBBIT-Projekts. Die Idee des HOBBIT-Projekts war es, einen kostengünstigen SSR zu entwickeln, der Stürze seines Besitzers automatisch erfassen und Notrufe abwickeln kann. Dabei sollte die Technologie so weit vorangetrieben werden, dass der SSR in privaten Haushalten autonom für einen längeren Zeitraum eingesetzt und evaluiert werden kann.
Methode
In der ersten Phase des Projekts wurde ein erster Prototyp (PT1) entwickelt. Intensive Labortests bildeten darauf aufbauend die Basis für die Entwicklung des zweiten Prototyps (PT2), der schlussendlich von 7 Benutzerinnen und Benutzern (im Durchschnitt 79 Jahre alt) in deren privaten Wohnungen jeweils für 3 Wochen getestet wurde (in Summe also für mehr als 5 Monate).
Ergebnisse
Die Ergebnisse zeigen, dass PT2 intuitiv zu bedienen ist und die Funktionen des SSR prinzipiell als sehr nützlich empfunden werden. Dennoch sahen die Benutzerinnen und Benutzer den Roboter eher als ein Spielzeug und nicht als tatsächliche Hilfestellung für ihren Lebensalltag an. Funktionen wie die Notfallerkennung hatten keine Auswirkungen auf das subjektive Sicherheitsempfinden.
Schlussfolgerung
Die Gründe für diese Ergebnisse dürften im Auftreten häufiger technischer Probleme, in der niedrigen Geschwindigkeit des Roboters, aber auch im guten Gesundheitszustand der Teilnehmerinnen und Teilnehmer zu finden sein. Jedenfalls gaben die Benutzerinnen und Benutzer an, dass sie eine marktreife Version des Roboters als äußerst nützlich erachten würden. Soziale Serviceroboter haben demnach Potenzial, ältere Personen in ihrer Unabhängigkeit zu unterstützen. Um die Marktreife zu erlangen, muss die dahinterstehende Technologie allerdings noch wesentlich verbessert werden.
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Acknowledgements
The work of all partners of the HOBBIT consortium and the help of all volunteer participants is greatly acknowledged.
Funding
This research project received funding from the European Community’s Seventh Framework Programme under grant agreement No. 288146.
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J. Pripfl, T. Körtner, D. Batko-Klein, D. Hebesberger, M. Weninger and C. Gisinger state that there are no conflicts of interest.
All studies on humans described in the present manuscript were carried out with the approval of the responsible ethics committee and in accordance with national law and the Helsinki Declaration of 1975 (in its current, revised form). Informed consent was obtained from all participants included in studies.
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Pripfl, J., Körtner, T., Batko-Klein, D. et al. Social service robots to support independent living. Z Gerontol Geriat 49, 282–287 (2016). https://doi.org/10.1007/s00391-016-1067-4
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DOI: https://doi.org/10.1007/s00391-016-1067-4