P08005: ARC Communication Board

Cortney Ross Mechanical Engineer(Project Lead)

Achilles Tziazas Computer EngineerKirk Marquard Mechanical EngineerRachel Lepkowski Industrial DesignerAmy Koster Industrial Designer

Project Track: Assistive Devices/Bioengineering

Project DescriptionOur customer has speech disabilities and needs a

special way to communicate with people who don’t know her well

Currently uses a picture bookDesigned to current customer’s needs but can be

adoptable to other customer’s with special needs

High Level Customer Needs / Engineering Specs

Adequate product size 9”x13”x3” Adequate product weight 7 lbs. Durable and robust drop from 40” Weather resistant enclosure Long battery life 16 hrs. Attached to wheelchair mechanical arm

Design Concept

Single Board Computer

Mechanical Arm

Battery

LCD Touch Screen /Custom Enclosure

System Architecture

Technical Risk Assessment Risk: Separated computer and power components

from LCD touch screen• Separated components require

• Power cable (to power the LCD)• Audio Cable (for sound)• Video Cable (for LCD touch screen)• USB Cable (for LCD touch screen) All these cables need to go through the arm & be

detachable

• Mitigation:• Using an all-in-one cable which will transfer video,

audio, USB and power from underneath the wheelchair to the LCD touch screen.

Current State of Design

• Design Meets Customer Needs• Design Meets all engineering specifications except:

• Battery components (life, weight and power output)• All-in one cable connectivity issues• Deflection of mechanical arm

• Computer box:• Delays with ordering from Taiwan• Slow response from the company• Backup computer costs more (around $400)

• Mitigations• Have a deadline for going with the backup computer• Use a cable conduit instead of all-in-one cable• Use rubber stops on tray for the deflection of the arm

MSD II Project Schedule Milestones

Questions?Issues?

Concerns?