Senior Design II Presentation Easel 5000

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Senior Design II PresentationEasel 5000

• Team 3
• Alison Biercevicz, Seth Novoson, Justin Yu

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Introduction

• Project Description
• Client
• Project Description
• Easel Market
• Existing Patents
• Preliminary Designs
• Material selection
• Mechanical Analysis

• Optimal Design
• LED system
• Prototype
• Materials
• Testing
• Concluding Remarks

3
The Project

• National Science Foundation
• Engineering Projects to Aid Persons with
  Disabilities
• Mission- To assist individuals in reaching their
  maximum potential for enjoyable and productive
  lives
• Clients
• Dr. Brooke Hallowell (NSF)
• Patty Mitchell (Passion Works Art Director)

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The Artist

• Tom is an artist at Passion Works studios

Big Headed Girl
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Cerebral Palsy

• Cerebral palsy is a condition resulting from
  brain damage
• The symptoms
• Loss of fine motor ability
• Abnormal muscle tone
• Abnormal movements
• Vision problems

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Project Objectives

• Construction of an easily adjustable easel
• Can be used by individuals with cerebral palsy
• Can be used in a studio environment with minimal
  supervision
• Can be adjusted with the help of an assistant.
• Resolution of previous design issues

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Previous Projects

• Design Issues Stated by Dr. Hallowell
• Complicated actuator
• Hazard due to exposed electrical cords
• Could not be moved easily
• The canvas could not be positioned over the
  artist
• No light source

Senior Design Project 2003
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Design Constraints

• No electrical cords
• No electric motors
• Easily adjustable
• Can attach to a specific table
• Can be positioned over the user
• Can hold specific canvas dimensions
• Cost is below 750

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Marketed Easels

• Able Table
• Versa-Table
• The Dreamer

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Marketed Easels

• Able Table
• Positives
• Price 64.95
• Versatile use
• Supports 30 lbs.
• Difficult to adjust
• Somewhat Fragile

ABLEDATA.com
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Marketed Easels

• Versa Table
• Price 115.00
• Positives
• Lightweight
• Portable
• Easy to use
• Easy to store
• Adjusts for height, depth, and angle
• Does not adjust to desired position of client

ABLEDATA.com
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Marketed Easels

• The Dreamer
• Advantages
• Motorized
• Stable
• Allows for large canvases
• Adjusts to height, length, and direction
• Disadvantages
• Very large
• No storage options
• Expensive 3,025

Mouthstick.net
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Patents

• Inclined adjustable A-frame style easel with
  sliding drawer (Patent 6,045,108)
• Easel adjusted by means of a crank
  (Patent 5,074,513)
• Ornamental foldable portfolio with adjustable
  easel (Patent D249,533)

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Easel 5000 Specific Objectives

• Support up to 20x24 Canvas or a 9X36 aluminum
  sheet
• User friendly
• Portable
• Stable
• No motors or electrical parts requiring a wall
  outlet.
• Relatively inexpensive (lt750)

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Preliminary Designs
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Design 1
Canvas Attachment Frame
Easel Extender Arms
Easel Base

• Wooden Construction
• Integrated Shelf
• Storage Compartment

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Design 2
Adjustable Beam Slide
Easel Extender Arms
Locking Gas Spring
Easel Base
Canvas Holder

• Aluminum Construction
• Utilizes lockable sliding track
• Includes simpler canvas holder
• Most expensive design

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Design 3/Optimal Design
Extender Arm
Locking Gas Spring
Canvas Holder
Canvas Base

• Aluminum Construction
• Locking Gas Springs
• Sliding Shelf
• LED light

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Prototype
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Prototype

• Phases
• Machine shop certification
• Part Orders
• Cut pieces for construction
• Construct Design of the LED system
• Final prototype construction
• Testing/troubleshooting
• Documentation

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Prototype

• Materials
• Easel frame consists of 80/20 extrusions
• 80/20 considered to be industrial erector set
• LED system designed with Express PCB
• LED Encasement from Hammond Mfg.

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Prototype
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Prototype Subunit Easel Base

• Fits wheelchair tray
• Acts as c-clamp with tightening screws

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Prototype Subunit Extension Arms

• 2arm system implemented for stability
• 180degree pivot joints for large range of motion

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Prototype Subunit Canvas Holder

• Able to hold canvas sizes up to 20x24
• Adjusted using 180degree pivot joints to extend
  range of motion even more
• Can be positioned to be over artist

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Prototype Subunit Canvas Clamp

• Rubber stripping on clamp to hold canvas in place
• Able to support painting surfaces of various
  shapes and materials

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Prototype Subunit LED System

• Battery powered (rechargeable)
• Dimming option
• Adjustable positions by use of friction hinge

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Prototype Subunit LED System
PCB made using Express PCB
LM555 Circuit
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Testing

• Simulated Motion Restrictions
• No movement of the left arm
• Tester was reclined
• Center for Students with Disabilities
• Contacted an individual with CP
• Asked to draw semi-complex shapes
• Circles
• Cartoon characters
• Animals

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Testing

• Six Testers
• Three independent
• One individual with CP
• Three Group
• Positive reviews from each
• Adjustability, ease of use
• Cool LED system
• Unique design

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Budget
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Conclusion

• Easel 5000 includes new, easy to use features
• Easy adjustability with user-friendly interface
• Battery powered lighting system
• Attaches to wheelchair tray
• Finished easel to be sent to Passion Works Studio
  for artists use

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Acknowledgements

• Professor John Enderle - BME Department Head
• Chris Liebler - Teaching Assistant BME 290/291
• Patty Mitchell - Art Director for Passion Works
  Studios
• Brooke Hallowell NSF Coordinator
• Professor Robert Northrop - BME professor UConn
• John Parmelee - head of set design for UConn
• Joyce Frank - Studio Coordinator for Passion
  Works Studios
• Kurt Jamlin - Sales Representative for LEDtronics
• Nicki Sobcinski - Sales Representative for Reell
  Incorporated
• Jeff Dutches - Sales Representative for OKW
  Enclosures
• Hammond Manufacturing
• Paul Dufilie - ECE department
• Jennifer Lucia Center for Students with
  Disabilities Contact
• The Testers Liz, Lauren, and Jen.