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Redesign and Testing of the Eyelid Drive System Assistive Technology

Author
Venkatesulu, Erica
Published
[University Park, Pennsylvania] : Pennsylvania State University, 2020.
Physical Description
1 electronic document
Additional Creators
Kiani, Mehdi and Schreyer Honors College
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Open Access.
Summary
The goal of this research project was to redesign an existing assistive technology (AT) that providesa means of communication for people with amyotrophic lateral sclerosis (ALS). In particular,it is designed for those whose condition has advanced to the point that they have lost all voluntarymuscle control except that of the eyes and eyelids. This AT, called the Eyelid Drive System (EDS),uses a modified pair of glasses and a method of inductive sensing to detect user blinks and winks.Redesign of the EDS specifically included modifications to circuit schematics, new printed circuitboard layouts, and development of an automatic calibration routine. This thesis details and motivatesdesign modifications, describes a procedure for conducting human subject tests, and presentsthe results of a simulation of the automatic calibration routine.
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Dissertation Note
B.S. Pennsylvania State University 2020.
Technical Details
The full text of the dissertation is available as an Adobe Acrobat .pdf file ; Adobe Acrobat Reader required to view the file.
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