Elizabeth Dick, Vijay Patel, Trish Pham, Breanne Walters, Josh Collins Dr. Sohel AnwarProject Sponso

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Elizabeth Dick, Vijay Patel, Trish
Pham,Breanne Walters, Josh CollinsDr. Sohel
Anwar-Project SponsorFALL 2007
Steer-by-Wire System Gear Box Design
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Presentation Outline

• Project Goal
• Background
• Customer required criteria
• Motor Selection
• Final Model
• Model Analysis (Static and Dynamic)
• Conclusion
• Recommendations for the future
• Acknowledgements
• Questions

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Project Goal

• Convert rack and pinion system to operate two
  motors for steer-by-wire steering system

Current Motor Interface
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Background

• Steer-by-Wire

• Power Steering

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Customer Design Criteria
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Motor Selection

• Motor Requirement

• Selected Motor

2.5 Nm Continuous, 8Nm Max., 2500 rpm, 10.3 A, 80
V, 1.7 hp
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Final Model Design
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Static Analysis
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Dynamic Analysis
Shaft connecting Gearbox w/ Rack and Pinion
11 Gear Ratio 2 plcs
Servo Motor 1.5 N m Torque 2 plcs
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Product Evaluation Summary
Note Backlash and Noise Level Pending Prototype
Build
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Conclusion
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Recommendations for the Future

• Project turn-over
• Design goals and customer design criteria need to
  be defined clear
• Communication

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Acknowledgements

• Dr. Sohel Anwar Project Sponsor
• Dr. Jie Chen Project Advisor
• Wei Nu Graduate Student
• Daniel Aw Graduate Student
• Brian Neel Mechanical Electrical Systems

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Questions?