Label Printer

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Formula SAE Engine Control System
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EE 291 Senior Design Spring 2001

• Team 1 Members
• EE - Rob Hotaling, Mike McGee, Nnamdi Okam
• CMPE - Jason Mangual
• ME - Andy Bilmanis, Greg Pineau, Justin Pribanic

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Overview

• Formula SAE Competition
• Design
• Budget and Timeline
• Results
• Conclusion

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Society of Automotive Engineers

• National organization comprised of Mechanical,
  Electrical and other types of engineers.
• Annual student design competition to design,
  develop, and race formula style cars according to
  SAE specifications.

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Interdisciplinary Team Work

• Integrated Development Tasks
• - ME Aspects
• Suspension
• Fuel and Air Requirements
• Engine Timing
• Injector Selection
• Space Constraints
• - EE Aspects
• Fuel Injection
• Engine Spark Timing
• Design EFI and Ignition Controller

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Engine Diagram
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System Overview
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Sub-System Microcontroller Inputs
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Design Considerations

• Driver Circuits
• Interface Circuits
• Design Alternatives
• Sequential versus Multiport Injection
• Cylinder Compression Detector

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Crank Sensor Interface Circuit
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Fuel Injection Driver Circuit
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Ignition Driver Circuit
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Cylinder Compression Detector
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Microcontroller Inputs

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Microcontroller Inputs
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Coding the Microcontroller

• Engine position during cranking
• MAP feedback and running under load
• Driver control Rich/Lean
• Outputs to driver circuits

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Budget and Timeline
Projected Budget 1132.00 Final Budget
1220.61 First successful engine test March 24,
2001 First successful MAP sensor test April 17,
2001 Completed system testing May 7,
2001 Competition Date May 19, 2001
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Results

• Project completed close to the projected budget
• The design controls the engine using feedback
• The University of Connecticut will be well
  represented at the Formula SAE competition

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Conclusion

• Done On Time
• Within Budget
• Engine Runs!
• Wed Like to Thank Our Advisors
  Professor Ayers and Professor Cowart!

Questions?
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Project Sponsors
Parker Medical
Yard Apes Landscaping
CFR Welding