On human-in-the-loop CPS in healthcare: A cloud-enabled mobility assistance service

Ricardo C. De Mello, Mario F. Jimenez, Moises R.N. Ribeiro, Rodrigo Laiola Guimarães, Anselmo Frizera-Neto

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Despite recent advancements on cloud-enabled and human-in-the-loop cyber-physical systems, there is still a lack of understanding of how infrastructure-related quality of service (QoS) issues affect user-perceived quality of experience (QoE). This work presents a pilot experiment over a cloud-enabled mobility assistive device providing a guidance service and investigates the relationship between QoS and QoE in such a system. In our pilot experiment, we employed the CloudWalker, a system linking smart walkers and cloud platforms, to physically interact with users. Different QoS conditions were emulated to represent an architecture in which control algorithms are performed remotely. Results point out that users report satisfactory interaction with the system even under unfavorable QoS conditions. We also found statistically significant data linking QoE degradation to poor QoS conditions. We finalize discussing the interplay between QoS requirements, the human-in-the-loop effect, and the perceived QoE in healthcare applications.

Original languageEnglish (US)
Pages (from-to)1477-1493
Number of pages17
JournalRobotica
Volume37
Issue number9
DOIs
StatePublished - Sep 1 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Software
  • Control and Systems Engineering
  • Mathematics(all)
  • Computer Science Applications

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