Luis Vargas

College of Engineering

Works (7)

Updated: July 27th, 2023 08:25

2022 journal article

Evoked Tactile Feedback and Control Scheme on Functional Utility of Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(2), 1300–1307.

By: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu *

Contributors: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu *

author keywords: Tactile sensation; transcutaneous nerve stimulation; prosthetic hand; functional task; haptic feedback
TL;DR: The findings reveal that non-invasively evoked tactile feedback could be used to effectively enable human-in-the-loop control of a prosthetic hand and can provide a platform to characterize the action-perception couplings during prosthetic control in order to improve user experience and system functionality. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 7, 2022

2022 journal article

Object Recognition via Evoked Sensory Feedback during Control of a Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(1), 207–214.

By: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

author keywords: Haptic and proprioceptive sensation; transcutaneous nerve stimulation; vibrotactile stimulation; stiffness recognition; size recognition
TL;DR: The findings show that evoked somatosensory feedback in a non-invasive manner can facilitate closed-loop control of the prosthetic hand and allowed for simultaneous recognition of different object properties. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 15, 2021

2022 journal article

Resembled Tactile Feedback for Object Recognition Using a Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(4), 10977–10984.

By: L. Vargas n, H. Huang n , Y. Zhu n, D. Kamper n & X. Hu n

Contributors: L. Vargas n, H. Huang n , Y. Zhu n, D. Kamper n & X. Hu n

author keywords: Tactile feedback; prosthetic control; object recognition; transcutaneous nerve stimulation
TL;DR: The results showed that participants could gauge the onset timing of tactile feedback to discern object shape and size and found that the position-controller led to a greater recognition accuracy of object size compared with velocity-control, potentially due to supplemental joint position information from muscle activation level. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 6, 2022

2021 journal article

Closed-loop control of a prosthetic finger via evoked proprioceptive information

JOURNAL OF NEURAL ENGINEERING, 18(6).

By: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

author keywords: prosthetic control; bidirectional neural-machine interface; vibratory stimulation; velocity control; position control
MeSH headings : Arm / physiology; Artificial Limbs; Feedback, Sensory / physiology; Hand / physiology; Humans; Proprioception / physiology
TL;DR: The findings suggest that closed-loop control of a prosthetic device can be achieved using non-invasive evoked proprioceptive feedback delivered to intact participants, and the evoked sensory information was integrated during myoelectric control effectively for both control strategies. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 7, 2022

2021 article

Perception of Static Position and Kinesthesia of the Finger using Vibratory Stimulation

2021 10TH INTERNATIONAL IEEE/EMBS CONFERENCE ON NEURAL ENGINEERING (NER), pp. 1087–1090.

By: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu*

TL;DR: The outcomes suggest that vibratory stimulus can inform subjects of static and dynamic aspects of finger proprioception and can be implemented to improve outcomes in clinical populations with sensory deficits, and to enhance user experience when users interact with assistive devices. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021

2021 journal article

Static and dynamic proprioceptive recognition through vibrotactile stimulation

JOURNAL OF NEURAL ENGINEERING, 18(4).

By: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

author keywords: somatosensory feedback; proprioception; vibrotactile stimulation; arm function; sensory substitution
MeSH headings : Feedback, Sensory; Forearm; Goals; Humans; Movement; Proprioception
TL;DR: The outcomes suggest that information pertaining to static and dynamic aspects of proprioception can be accurately delivered using an array of vibrotactors and could be used to potentially evaluate the sensorimotor integration processes during human–machine interactions, and to improve sensory feedback in clinical populations with somatosensory impairments. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 19, 2021

2020 journal article

Object Shape and Surface Topology Recognition Using Tactile Feedback Evoked through Transcutaneous Nerve Stimulation

IEEE TRANSACTIONS ON HAPTICS, 13(1), 152–158.

By: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang* , Y. Zhu n & X. Hu*

author keywords: Shape recognition; surface topology; tactile sensation; transcutaneous nerve stimulation
MeSH headings : Adult; Feedback, Sensory / physiology; Female; Fingers / physiology; Humans; Male; Median Nerve / physiology; Recognition, Psychology / physiology; Touch / physiology; Touch Perception / physiology; Transcutaneous Electric Nerve Stimulation; Ulnar Nerve / physiology; Young Adult
TL;DR: It is suggested that tactile feedback evoked from transcutaneous nerve stimulation allows the recognition of object shape and surface topology, which may help improve object manipulation and promote fine control of a prosthetic hand. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 14, 2020

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