AUTO21 Research Project: Collaborative Design Tools

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AUTO21 Research Project Collaborative Design
Tools

• Overview for ME481
• Tuesday, September 12, 2006
• S. Lambert

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Project Objectives

• Evaluate existing tools for design collaboration
  and provide recommendations for tools that are
  more effective and efficient
• Produce graduates who are familiar with the
  principles and tools for design collaboration

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Project Levels

• Product Design
• 2-person drive-by-wire electric vehicle
• Process Design
• Design guides for vehicle design
• Collaboration
• Twiki and TeamCenter Community

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Collaboration Tools - TWiki
http//deseng.ryerson.ca/twiki/bin/view/Ecd/WebHom
e
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Collaboration Tools TeamCenter Community
https//designfile.uwaterloo.ca/auto21
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Product Overview

• Design a two-passenger, electric, drive-by-wire
  vehicle
• Design team is distributed across 6 Canadian
  Universities and consists of
• Faculty members
• Graduate students
• Undergraduate students
• Universities Waterloo Western Ryerson UOIT
  Queens and Sherbrooke

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Team Structure

• Design team divided along vehicle sub-system
  boundaries including
• Chassis
• Suspension
• Drive-train
• Controls
• Undergraduate participants needed for these areas
  specializing in
• Mechanical design
• Manufacturing
• Simulation and Analysis

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Vehicle Concept

• Similar layout to the Smart Car
• Electric all-wheel-drive using wheel motors
• Lithium Ion batteries
• Drive-by-wire to facilitate active stability
  control

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Initial Design Sketches
Concept Drawings by David Killing, Queens
University
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Cockpit Design Concept
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Design Process Example Suspension Design

• Design process based on successive approximation
  (iteration)
• Increasingly sophisticated analyses
• Acceleration/deceleration analysis
• Simplified bicycle model for lateral stability
• Full dynamic model
• Optimization of results

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Acceleration Analysis
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Acceleration Results
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Vehicle Dynamic Model
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Stability Analysis and Control
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Chassis FEA Analysis
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Project Schedule

• Preliminary Design Completed
• Chassis
• Suspension
• Body
• Detailed Design to be completed by April 2007,
  including
• Solid model of all components
• Verification analyses
• Manufacturing plan

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Team Structure

• Faculty, graduate student, and/or industry
  mentors for each component
• Chassis, Suspension, Drive-Train, Cockpit,
  Controls, Brakes, Steering,
• Undergraduate students from different
  Universities collaborating on each component