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DIY ENGINE MANAGEMENT SYSTEM: TAKE FULL
CONTROL OF YOUR CAR
Ryan UeltschiEastern Kentucky University
Department of Technology : NET Program
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OUTLINE
This presentation will give a brief overview of my project. It will explain the presented problem and solution as well as the motivation, assumptions, and future work.
Pictures will be included for further understanding of the work I have completed.
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MOTIVATION My automotive interests
mixed with my technology and electronics interests.
I wanted to challenge myself I wanted to further my
knowledge in general electronics and automotive electronics.
I needed an engine management system for my car.
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INTRODUCTION My project covers both fields of
Electricity & Electronics and Computer Systems
I have been researching in plan to build one of these specific systems for well over a year Electronic components needed Wiring diagrams Sensors Software
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INTRODUCTION
Essential Theory:I. Construct the physical systemII. Create a wiring harnessIII. Install software on laptopIV. Install firmware on systemV. Wire in additional needed
sensorsVI. Install complete system into carVII. Tune
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PROBLEM STATEMENT
When an automobile’s engine becomes highly modified, the factory issued engine control unit (ECU) becomes insufficient for the engine’s requirements.
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PROBLEM STATEMENT
Sub Problems Fuel trim adjustments Timing adjustments Idle settings Sensors
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ASSUMPTIONS
To build: the user will have a working knowledge and/or willing to educate themselves in electronic components, electricity, soldering, printed circuit boards, wiring, and slight advanced workings of a computer.
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ASSUMPTIONS
To use: the user must know general car engine knowledge and how they work and what the engine will need at a given point in time
Can hire someone to do the final tuning part.
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PROPOSED SOLUTION In order to find a solution to my problem
I had to decide on an EMS Research, research, research Build one myself Buy a MegaSquirt DIY EFI kit from
www.diyautotune.com Buy the other components needed
specifically for my car Download/install software Assembly Testing and troubleshooting
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PARTS LIST All from diyautotune.com
DB37 solder cup connector for MS3X - $5.00 MegaSquirt Wiring Bundle - 23" Long -
$15.00 MegaSquirt - III MS3X Expansion Card -
$90.00 MegaSquirt - III w/PCB V3.0 - Unassembled
Kit - $365.00 MegaSquirt 3X Wiring Bundle - 23" long -
$18.00 64 pin connector from mouser electronics -
$20
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PARTS
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BOARD DIAGRAM
http://westfieldmx5.devocht.com
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BUILDING
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BUILDING
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BUILDING
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BUILDING
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WIRING DIAGRAM
http://westfieldmx5.devocht.com
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BUILDING
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BUILDING
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RESULTS
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RESULTS
A fully functional standalone Engine Management System
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CONCLUSIONS I am now able to incorporate a customizable
engine management system in my car to monitor, data log, and make adjustments as needed.
Individual Learning: Time Management Project Planning Increased knowledge in general electronics and
automobile electronics Soldering skills Engine management/tuning
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FUTURE WORK
Building these for future cars Knowing how to tune electronic
fuel injection engines, to help myself and others
Adding Bluetooth module Connecting with an android device
Contact: [email protected]
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REFERENCES Braineack (2007, October 28). How to make and install your own Diy MegaSquirt [Online
forum comment]. Retrieved from http://www.miataturbo.net/useful-saved-posts-8/how-make-install-your-own-diy- megasquirt-13676/
Westfield, F. (2013) How to build a full plug and play MS3-Extra for a 1.6 or 1.8 NA Miata. Blog. Retrieved from http://westfieldmx5.devocht.com/megasquirt/90-97-ms3/
Murray, J. (2013, March 23) Megasquirt 3 – Loading Firmware. Web page. Retrieved from http://www.msextra.com/doc/ms3/firmware.html
Cardriverx ( 2008, July 25) Info/Instructions for Wells TPS201 TPS ** PICTURES!. [Online forum comment]. Retrieved from http://www.miataturbo.net/megasquirt-18/info-
instructions-wells-tps201-tps-**-pictures-23979/
Marc D. (2009, October 13). Using TunerStudioMS for Tuning Megasquirt – Guide. [Online forum comment]. Retrieved from http://www.miataturbo.net/megasquirt-18/using-tunerstudioms-tuning-megasquirt-guide-40159/
Murray, J., Culver, K. (2010, November 23). Megasquirt – Stim Testing. Web page. Retrieved from http://www.msextra.com/doc/general/stimtesting.html
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ACKNOWLEDGEMENTS
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QUESTIONS?