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Page 1: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Page 2: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Scope of the Project

• Diagnostic tools are already being used by GE for compressor performance, but they are…– Too expensive– Time Consuming – Hazardous to Technical Support

• Create an non-intrusive flow velocity measurement system to interface with a Google mobile phone application

• Customer Needs– Transfer data wirelessly to an Android phone.– Assembly time less than 5 minutes.– No modifications to pipes; non-intrusive method.– Software must collect, store and display data.– Working Demo.

Page 3: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Status Update: Sensors

• Currently reverse engineering Fuji sensors• 2 MHz

• Remove test data from unit• Create data sheet• Sensor spacing• Calibration

• Test signal burst method

Page 4: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Status Update: Flow Analysis• Flow Rate: Specifications to meet

• PV Curve: If specs not met, used to help diagnose problem in compressor– Obtain Pressure from Velocity Measurement. General Principle:

– Volume known from compressor dimensions• Efficiency:

Page 5: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Status Update: Microcontroller

• Configuring OS for real-time threads and easier network access through SSH

• Setting up for wireless connection to phone• Coding small program to send sample data to phone

Image by: http://www.embeddedarm.com/images/boards/medium/ts-7800.gif

Page 6: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Status Update: Application

• Application GUI framework up and running

• Initial database coded • Setting up for wireless connection

to microcontroller• Once receiving sample data start

testing and modifying database if needed

• After database is fully functional can start coding calculations and modifying plotting function to correctly display PV graphs

Image by: http://lh3.ggpht.com/-YklDCK49g3Y/TxXg4CCV-ZI/AAAAAAAAARk/_J6nbIrI7go/LG-Optimus-Black-P970_Android-AM_thumb%25255B3%25255D.jpg?imgmax=800

Image by: http://androidplot.com/header/images/upperlogo.jpg

Page 7: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Status Update: Mounting System and Housing

• Mounting System is completed

• Attaching the housing unit to the track, is being analyze– Torsion spring– Screws (Vise)

Image by: http://www.steritool.com/images/product/vise2.jpg

Page 8: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Thermo

Housing

Application

Sensor Microcontroller

Summary - Plan of Attack

• Work on project segments then combine to make a whole product– Sensors– Housing– Thermodynamics– Microcontroller– Application

• Modular Design– Develop and interface components

• Test and calibrate system• Modify system for portability and demonstration purposes

MEEE/CPE

Page 9: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Spring Schedule

Page 10: 1. Scope of the Project Diagnostic tools are already being used by GE for compressor performance, but they are… – Too expensive – Time Consuming – Hazardous

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Questions

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