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Record W3112128648 · doi:10.1109/smc42975.2020.9283306

End-to-End Deep Reinforcement Learning for Exoskeleton Control

2020· article· en· W3112128648 on OpenAlex
Lowell Rose, Michael C.F. Bazzocchi, Goldie Nejat

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.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicProsthetics and Rehabilitation Robotics
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsExoskeletonReinforcement learningComputer scienceGaitRobotPersonalizationSynchronization (alternating current)Artificial intelligenceGait trainingHuman–computer interactionSimulationRehabilitationPhysical medicine and rehabilitation

Abstract

fetched live from OpenAlex

Patient-specific control and training on lower body exoskeletons can help improve a user's gait during post-stroke rehabilitation by increasing their amount of participation and motor learning. Traditionally, adaptive control techniques have been used to provide personalization and synchronization with exoskeleton users, but they require predefined dynamics models of the user and exoskeleton. However, these models can be difficult to accurately define due to the complexity of the human-robot interaction. Most recently deep reinforcement learning techniques have shown potential to effectively learn control schemes without the need for system dynamics models. In this paper, we present for the first time an end-to-end model-free deep reinforcement learning method for an exoskeleton that can learn to follow a desired gait pattern, while considering a user's existing gait pattern and being robust to their perturbations and interactions. We demonstrate the effectiveness of our proposed method for user personalization of gait training in simulated experiments.

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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.988
Threshold uncertainty score0.297

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 head0.010
GPT teacher head0.216
Teacher spread0.206 · 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

Citations28
Published2020
Admission routes1
Has abstractyes

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