e blinking switch for individuals with...
TRANSCRIPT
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Eye-Blinking Switch for Individuals with Disabilities
SYLMARIE DÁVILA MONTERO
KEISHA CASTILLO TORRES
9/2/2016
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Outline
◦ Introduction
◦ Problem Statement
◦ Market Overview
◦ Objectives
◦ EBSID Architecture
◦ Resources and Schedule
◦ Estimated Budget
◦ Deliverables
◦ Project Impact
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Statistics
People with a disability* in 2010:
19% of total population or approximately 58.7 million people.
19% of total population or approximately 707,900 people.
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*According to US Census Bureau, more than a half of this population were severely disabled (physical and/or mentally).
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What Motivates Us?
• Independent living.
• Improvement of communication and control of their surroundings.
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Low Incidence of Severe Disabilities
Underserved Population
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The ProblemClient: Puerto Rico Assistive Technology Program (PRATP)
◦ Direct Contact: Dr. Mauricio Lizama
◦ Their Objective: To increase Assistive Technology access for people with disabilities.
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Problem Identified
Limited communication tools for people with severe physical disabilities that are only able to control their eye blinking.
Solution Proposed
Eye-blink switch with an involuntary blink filter.
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Market Overview
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Product Advantages Disadvantages
SCATIR Switch • Rechargeable batteries • $699.00• Accuracy• Not easy-to-handle or to adjust
Eye-blink Switch from Enabling Devices
• Easily mounts to most eyeglass frames or head bands.
• $160.95• Obtrusive• Eyeglasses not included
Fiber-optic eye-blink Switch kit AMDi
• Low interference of luminescence contamination.
• $645.00• Obtrusive• Any movement of the head can
cause the sensor to misaligned.
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What will make our Product Different?
Low-Cost
Accurate
Universal Switch
Power Source
Portable
Easy-to-Handle
Adjustable
Unobtrusive
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EBSID System Architecture
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Main Objective
To design and deliver by November 17, 2014 an universal eye-blink switch that enables individuals with severe physical disabilities to
communicate with their environment through a voluntary eye-blink action.
Other objectives (1/3):
To design and implement a low-cost system, in which in our case is defined by a maximum of $125.
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Other Objectives (2/3)
• Safe, unobtrusive, and easy-to-handle system.
• Capable of detecting involuntary and voluntary blinks in a person.
Sensor for Blink Detection
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• Universal output circuit with a 1/8 monophasic output to activate a “switch closure” action.Output Circuit
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Other Objectives (3/3)
• Real-time system capable to perform online signal processing directly on the hardware computational structure.
• Accuracy of a minimum of 90% in the activation of the switch once a voluntary eye blink have been detected.
• Experiment to collect data from a minimum of 10 people which is going to be used to create the coefficients of the filter.
• Filter is going to eliminate the involuntary eye blinking signal from eye blinking signal representation.
Processing Unit for Filter Implementation
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Schedule and ResourcesDSP Specialist Engineers:
◦ Sylmarie Dávila Montero (Project Manager)
◦ Keisha Castillo Torres
Schedule:
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Tasks Dates or Deadlines
Detail Design Modules September 1st, 2014
Demonstration #1 September 24, 2014
Implementation of Modules October 7th, 2014
Demonstration #2 November 5th , 2014
Testing & Refining (Integrations) November 14, 2014
Final System Demonstration November 24, 2014
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Estimated Budget
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Resources or Components Price
Microcontroller $20
DSP $10-$100
Mounting Structure $10
Personal Computer (will use a personal PC) $300
Infrared LED (pkg of 25) $15
Infrared Sensor $15
Resistors Kit 10
Capacitors $8
Monophonic Cable (1/8”) $8
Overhead (25%) $121.50
Resources/Components Total $608
Work Hours (including Overhead) $ 25,032.50
Total $26,248
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Deliverables• A low-cost eye-blink switch that acts as a universal switch and that will activate with each voluntary eye-blink.
• The device will be small, easy to handle, adjustable and unobtrusive for the user.
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Project Impact
User’s benefits
Severe physical disability
population
Caregivers
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User’s benefits
Computer access
Wheelchair control
Alternative communication
Among others
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Questions?
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