accessibility and universal design final version
TRANSCRIPT
Improvement and motorization of a wheelchair
Supervisors:Eva Marin TorderaJuanJose Vazquez
EPS 2013 Vilanova i la Geltrú, Spain
Accessibility and Universal Design
Project group members
2
Charlotte Berthomieu, FrancePackaging Engineering
Maurits Binnema, The NetherlandsHuman Technology
Adina Marin, RomaniaEconomic Engineering in the Mechanical Field
Jan Stepputtis, GermanyBusiness Informatics
Ludwig Siegfrids, FinlandIndustrial Engineering and Management
Table of Contents
3
1. Project tasks
2. Project progress
3. Background
4. Seat fixture
5. Handles
6. Steering system
7. Final product
8. Conclusion
Project Task
4
Improve the life of our client
Provide higher autonomyCombine two wheelchairs
Project Progress
5
Requirements
analysis
Design
Construction
Usabilitytesting
Background: Client
6
Nahuel; 13 years oldDystonic, SpasticTetra
Paresis In buggy wheelchair,
strapped
Muscle excercises with physiotherapist
Introduction movie client
7
Background: Clients Abilities
8
Learning by time
Acknowledge differences
Reacts to emotions
CognitiveNo control body & facial movements
No speech
Little/No strength
Physical
Buggy Wheelchair
9
‘EASys’ from Thomashilfen
Seating construction is used
Ergonomic benefit
Electric Wheelchair
10
‘Power Picco’ from Meyra
Bottom part is used
Stability benefit
Requirements
11
• Realistic Product; Meets standards• Indoor usage
Company
• Fits user’s capabilities• Contributes to social and physiological al benefits
Client
• Documentation• Effective teamwork• Low budget
Supervisor
Project Overview
12
Universal Seating
AdjustmentHandles
Steering System
Why a new Seat Fixture System?
13
Problem• Combine chassis of electric
wheelchair and seat• Keep each advantages
How to solve it?• Designing different solutions for
fixing the seat• Evaluating the convenience
Design: Universal Seat Fixture
14
Universal
Stable
Secure
Project Overview
15
Universal Seating
AdjustmentHandles
Steering System
Why adjust the Handles?
16
Problem• The seat covers the fixing
place• Handles are too short for the
pusher
How to solve it?• Designing a new solution• Enlargement and addition of a
steel block to move the fixingplace
Design: Handles
17
Project Overview
18
Universal Seating
AdjustmentHandles
Steering System
Why a new Steering System?
19
Problem• Actual solution not accessible
• Not enough grip in hands
How to solve it?• Research on steering systems• Comparing steering
approaches• Evaluation of convenience for
the client
Which Steering Systems are on the market?
20
Joystick Chin Sip-n-Puff Head
Voice Tongue Eye Gaze Brain
Which System meets the requirements of the client?
21
Which Steering System is the most convenient?
22
Chin
Eye-Gaze
Head
Sip-n-Puff
Brain
JoystickVoice
Tongue-6
-4
-2
0
2
4
6
8
10
Steering Systems
Why Chin Control?
23
Safe system
Lesstechnicalbarriers
Intuitive steering
+ Less spacefor headmovements
Not integrated in communicationsystem
Short develop-ment time
-
Design: Steering System
24
Accessible
Adjustable
Economical
Convenient
From Joystick to Chin Control
25
Final product
26
Usability & user interaction
27
Usability for the client
28
+
Quickunderstanding
Easy to learn
Easy interaction
with the others
-
Still needs help to steer
Improve his new
capabilities
Wheelchair carriage
29
+
Steering System can
be unmounted
Easy transport
of the buggy
-
Does not fold
Heavy
Costs
30
Seating systemPushinghandles
SteeringSystem
Total
Materials 13 € 6 € 28 € 47 €Human labour 35 € 65 € 120 € 220 €
0 €
50 €
100 €
150 €
200 €
250 €
300 €
Cos
ts in
€Estimated Project Costs
Conclusion
31
Nahuel will feel happier about the interaction with
others
Opportunity to have
autonomy
Challenging Project
Develop a psychological
benefit
Future work
32
Last adjustments of the steering
system
Implementation of a safety
system
Thank you for your attention!