Team John Deere MidTerm Presentation Week 7 - PowerPoint PPT Presentation

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Team John Deere MidTerm Presentation Week 7

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Title: Team John Deere MidTerm Presentation Week 7


1
Team John DeereMid-Term PresentationWeek 7
  • Josh Ebeling
  • Jamari Haynes
  • James June
  • Mike Reno
  • Ben Spivey
  • Gary Twedt
  • Wade Burch

2
Project Objectives
  • The objective of this design project is the
    creation of a kit-ready modification to the pedal
    controls of the John Deere Gator Utility Vehicle
    in order to facilitate accessibility by those
    unable to perform current use

3
Project Parameters and Constraints
  • Task assigned by John Deere is the open-ended
    modification of their six wheeled Gator Utility
    Vehicle to facilitate handicapped accessibility
    (2,000 budget)
  • Primary Suggestions
  • Wheelchair hoisting mechanism
  • Controls modification - primarily foot pedals

4
Project Details
  • Project coordinated through John Deere in
    conjunction with UMass (wheelchair hoisting
    mechanism) and UIUC (sliding drivers seat)
  • Mechanical Engineering students charged with
    design and construction of prototype, with
    Industrial Design students aiding in overall
    ergonomics of new system, and some modeling help
    from students in AutoCAD class

5
Preliminary Conceptual Designs
  • Two main conceptual design modes

6
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • On- or near-steering wheel controls

7
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • On- or near-steering wheel controls
  • Triggers located behind steering wheel

Motor
8
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • On- or near-steering wheel controls
  • Bicycle-type brake handles on steering wheel

9
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • On- or near-steering wheel controls
  • Pivoting lap bar located below steering wheel

10
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • Throttle lever controls

11
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • Throttle lever controls
  • Throttle lever with pivot bar

12
Preliminary Conceptual Designs
  • Two main conceptual design modes
  • Throttle lever controls
  • Throttle lever with pivot bar

13
Current Market Availability
  • Current industry standard and most prevalent
    design is the Braun 3500 Hand Control
  • Easily integrated for a variety of car sizes and
    types
  • Less than desirable required dexterity and force
    to operate

14
Conceptual Design Selection
  • Evaluation matrix of conceptual designs
    constructed using Braun 3500 as a baseline

15
Ultimate Design Selection
  • Ultimately selected some variation on the
    throttle lever with pulley
  • Most ergonomic and greatest opportunity for
    decreasing force necessary for operation
  • Easiest to facilitate normal use while
    modification remains intact

16
Design Mock-Up
Design Prototype MockupAvailable for
demonstration
17
Further Project Challenges
  • Integration of throttle bar into convenient and
    ergonomic location on Gator
  • Uneven pedal depression paths
  • Design must remain easy to install and put in and
    out of operation

18
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