Vibrotactile Feedback for Human Balance Improvement: Experimental Investigation of Optimal Feedback Location

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Creator: 

Courtemanche, Christiane Celine

Date: 

2017

Abstract: 

This thesis characterizes the use of vibrotactile feedback and evaluates the effect of feedback location on human balance via three main experiments. The first experiment characterizes common tactor types and compares their performance based on participants' perception. The better performing tactor is used in the second experiment, which investigates the optimal body location for feedback through participants' performance in sensing tactor array feedback. This study compares neck, waist, wrist, and ankle feedback weighted scores of reaction time, ability to detect feedback, and ability to discern the activated tactor and its vibration intensity. The best-performing locations, wrist and ankle, are used in the third study to show vibrotactile feedback’s positive effect on participants' balance and to identify the optimal body location for feedback. Feedback, independent of location, significantly improved percentage time spent in the deadzone, and in some tests also significantly improved AP and ML trunk tilt.

Subject: 

Engineering - Mechanical
Engineering - Biomedical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Mechanical

Parent Collection: 

Theses and Dissertations

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