Accessibility and Universal Design Improvement and motorization of a - - PowerPoint PPT Presentation

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Accessibility and Universal Design Improvement and motorization of a - - PowerPoint PPT Presentation

Nov 01, 2023 388 likes •730 views

Accessibility and Universal Design Improvement and motorization of a wheelchair Supervisors: Eva Marin Tordera JuanJose Vazquez EPS 2013 Vilanova i la Geltr, Spain Project group members Charlotte Berthomieu, France Packaging Engineering

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Improvement and motorization of a wheelchair

Supervisors: Eva Marin Tordera JuanJose Vazquez

EPS 2013 Vilanova i la Geltrú, Spain

Accessibility and Universal Design

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Project group members

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 Charlotte Berthomieu, France Packaging Engineering  Maurits Binnema, The Netherlands Human Technology  Adina Marin, Romania Economic Engineering in the Mechanical Field  Jan Stepputtis, Germany Business Informatics  Ludwig Siegfrids, Finland Industrial Engineering and Management

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Table of Contents

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1.

Project tasks

2.

Project progress

3.

Background

4.

Seat fixture

5.

Handles

6.

Steering system

7.

Final product

8.

Conclusion

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Project Task

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 Improve the life of our client  Provide higher autonomy

  • Combine two wheelchairs
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SLIDE 5

Project Progress

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Requirements analysis Design Construction Usability testing

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Background: Client

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 Nahuel; 13 years old Dystonic, SpasticTetra

Paresis

In buggy wheelchair,

strapped

Muscle excercises with

physiotherapist

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Introduction movie client

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Background: Clients Abilities

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Learning by time Acknowledge differences Reacts to emotions

Cognitive

No control body & facial movements No speech Little/No strength

Physical

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Buggy Wheelchair

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‘EASys’ from Thomashilfen

 Seating construction is used  Ergonomic benefit

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Electric Wheelchair

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‘Power Picco’ from Meyra

 Bottom part is used  Stability benefit

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Requirements

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  • 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

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Project Overview

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Universal Seating Adjustment Handles Steering System

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Why a new Seat Fixture System?

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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
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Design: Universal Seat Fixture

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Universal Stable Secure

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Project Overview

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Universal Seating Adjustment Handles Steering System

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Why adjust the Handles?

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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 fixing place

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Design: Handles

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Project Overview

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Universal Seating Adjustment Handles Steering System

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Why a new Steering System?

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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

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Which Steering Systems are on the market?

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Joystick Chin Sip-n-Puff Head Voice Tongue Eye Gaze Brain

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Which System meets the requirements

  • f the client?

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Which Steering System is the most convenient?

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Chin Eye-Gaze Head Sip-n-Puff Brain Joystick Voice Tongue

  • 6
  • 4
  • 2

2 4 6 8 10

Steering Systems

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Why Chin Control?

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Safe system Less technical barriers

Intuitive steering

+

Less space for head movements

Not integrated in communication system

Short develop- ment time

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Design: Steering System

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Accessible Adjustable Economical Convenient

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From Joystick to Chin Control

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Final product

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Usability & user interaction

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Usability for the client

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+

Quick understanding

Easy to learn

Easy interaction with the

  • thers
  • Still needs

help to steer Improve his new capabilities

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Wheelchair carriage

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+

Steering System can be unmounted

Easy transport

  • f the

buggy

  • Does not

fold Heavy

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Costs

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Seating system Pushing handles Steering System Total Materials 13 € 6 € 28 € 47 € Human labour 35 € 65 € 120 € 220 € 0 € 50 € 100 € 150 € 200 € 250 € 300 € Costs in €

Estimated Project Costs

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Conclusion

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Nahuel will feel happier about the interaction with

  • thers

Opportunity to have autonomy Challenging Project Develop a psychological benefit

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Future work

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Last adjustments

  • f the steering

system Implementation

  • f a safety

system

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Thank you for your attention!