Team Engine Control Jon Stoker Brian Patterson Avishesh Dhakal

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Team Engine Control Jon Stoker Brian
Patterson Avishesh Dhakal
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Objectives

• Study the Microsquirt Project.
• Adapt to Harley Davidson Motorcycles
• Injection Timing
• Engine Specific Sensors and Signals
• Design our own EFI Controller
• Design a convenient connection method

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What is a Microsquirt?

• Electronic Fuel Injection Controller
• Compact
• Less Driving Current
• Suitable for Motorcycles or other small vehicles
• Programmable by End User

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Connection Method
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Previous Progress

• Schematic and Layout in EAGLE
• Fabrication of custom board
• Component population of board
• Research in Microsquirt project and engine control

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Board Layout

• Layout Specifications

• Two layer board
• Two separate ground planes to reduce noise
• Analog (High power 7.5A max)
• Digital (Sensors , Serial)
• 1st version parts on 1 side
• Standard 20 mil trace
• 100 mil for MOSFET drain to source
• 9 mil on microcontroller
• Total board side 6.3x4

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Testing
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Future Project Goals

• Main Goal
• Custom board controls one function on the Harley
• Sub Goals
• Build and test breakout board
• Detailed flow chart of Microsquirt code
• Modify Microsquirt code for Harley
• Resolve any circuit or layout issues with custom
  board

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Gantt Chart
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Budget
Ser. Item Cost
1. Microsquirt 400.00
2. Connectors 100.00
3. PCB-layout board 83.00
4. PCB-Breakout Board 83.00
5. Parts from Digikey 120.00
6. Stimulator 45.00
7. Microsquirt without connector 250.00
Total Cost Total Cost 1081.00