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Record W2783547556 · doi:10.1109/iris.2017.8250095

Experimental comfort assessment of an active exoskeleton interface

2017· article· en· W2783547556 on OpenAlex
Laurent Levesque, Scott Pardoel, Zlatko Lovrenovic, Marc Doumit

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicProsthetics and Rehabilitation Robotics
Canadian institutionsUniversity of Ottawa
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsExoskeletonPaddingTorqueInterface (matter)Computer scienceLimitingWork (physics)SimulationHuman–computer interactionMechanical engineeringEngineeringComputer securityPhysics

Abstract

fetched live from OpenAlex

Walking assistive devices are designed to improve the mobility of the user. Although promising, active devices have a problem: they become uncomfortable after prolonged usage. Large motor torques provided by active devices effectively assist the movements of the user. However, these torques transfer forces to the user's limbs creating significant discomfort and limiting the duration of usefulness. This work used force mapping in an attempt to identify zones of pressure concentration that may cause discomfort as well as examined the effect that various pads had on these zones. The device tested in this research was the K-SRD <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">TM</sup> by B-Temia Inc. Force analysis identified certain zones of high force concentration. Possible causes were identified and potential solutions were suggested. Furthermore, the padding testing showed that the force transfer was similar regardless of the thickness of the pads. However, the stiffer padding materials distributed the forces over a greater area and decreased the pressure at the interface. This seems to indicate that the thickness of padding is less important than the distribution of applied forces. In all, interfaces that distribute forces over large surface areas may be beneficial. Further research efforts are needed in order to develop a physical human-machine interface that will ensure the success of exoskeletons in the future.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.070
Threshold uncertainty score0.194

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.014
GPT teacher head0.331
Teacher spread0.317 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Quick stats

Citations29
Published2017
Admission routes2
Has abstractyes

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