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CDR 2011 – Team Gong

CDR 2011 – Team Gong. Presentation by: Andrew Frieden Matthew Weydt Nick Setzer Tyler Dunn. Presentation Overview. Main Goal Recap from last time Flow Diagrams Spending Gantt chart Demo. Main Goal.

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CDR 2011 – Team Gong

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  1. CDR 2011 – Team Gong Presentation by: Andrew Frieden Matthew Weydt Nick Setzer Tyler Dunn

  2. Presentation Overview • Main Goal • Recap from last time • Flow Diagrams • Spending • Gantt chart • Demo

  3. Main Goal • To design and build a device that will determine whether it would be cost effective to install solar panels on a customer’s roof.

  4. Project Overview • Name: Self Sustaining Solar Sensor • Uses Arduino microcontroller, GPRS transmitter, analog light sensors and android application to track data • Self powered using its own solar panel • Our device will give real time data, angle of power optimization, and dollar value feedback to the customer

  5. Design (Pyranometer Array) • 13 sensors • Silicon Photodetectors • Temperature sensor for solar efficiency

  6. Design Continued. • Pyranometer array on half sphere • Uses many sensors to measure irradiance • Irradiance is used to calculate electrical efficiency of solar panels • Pyranometers act as control points to find an optimal direction for solar panel http://www.instesre.org/construction/pyranometer/pyranometer.htm

  7. Design Continued. • Application will have calculator to do most/all of the data processing • Energy calculations for electrical efficiency from irradiance • Optimal direction algorithms

  8. Data Flow Diagram Android Device TCP Packet with JSON encoded data Arduino Device Application pulls from Database Micro Controller + SD card Php script GPRS Transmitter Interpolation Algorithm giving real time results to customer MySql Database

  9. Arduino Device Android Device TCP Packet with JSON encoded data Arduino Device Application pulls from Database Micro Controller + SD card Php script GPRS Transmitter Interpolation Algorithm giving real time results to customer MySql Database

  10. Transmission Phase Android Device TCP Packet with JSON encoded data Arduino Device Application pulls from Database Micro Controller + SD card Php script GPRS Transmitter Interpolation Algorithm giving real time results to customer MySql Database

  11. Android Device Android Device TCP Packet with JSON encoded data Arduino Device Application pulls from Database Micro Controller + SD card Php script GPRS Transmitter Interpolation Algorithm giving real time results to customer MySql Database

  12. Spending • Current spending total to date: ~$350 • Money left to date:~$150 • Estimate for production value for unit:~$100-$150 • Current market technology: 6-8 design hours, digital image processing units (example Solmetric Suneye) ~$2000

  13. Gantt Chart 2/16/2012

  14. Arduino Demo • Periodic Wakeup and Sleeps • Read and Write to sd-card • Sample analog sensors

  15. Spline Interpolation

  16. Transmission Demo • GPRS • Initialize the connection to the T-Mobile access point • Open a single IP connection to westhostsite.com • Construct a TCP Packet • Send a HTTP Post to /sdp/sendjson.php

  17. Packet Image • Post Command • TCP Packet

  18. Android Demo • Query the database for sensor data • Displays graphs of data

  19. How do we plan on demoing this? • Downloadable android application which we will also have on display • Sensor will real time update our phone and calculator • Users can see the power and money that could be saved by the ambient light in the room and a flashlight • Increase sensor and transmission rate for demo

  20. Requirements • Low Power, maximum of 5v peak operating with drawing no more than 2A from our power supply • Android Application for calculating best performance of static solar panel, graphically displaying sensor data and a good estimate to dollar value saved by a user on a monthly basis • A hardware device capable of processing and transmitting sensor data to the internet • A sampling and transmission cycle that consumes less power than can be recharged via our solar panel • A sensor array able to accurately sense light intensity of the sun in a potential spot for solar panels

  21. Project Management • Andrew Frieden, CSE: • Android Application development • Money saving, power saving and direction of optimal solar panel algorithms • Web Designer • Matthew Weydt, CSE: • PHP Web Server development • MySql Server development • Arduino programming • GPRS programming • Nick Setzer, EE: • Solar panel step down converter • Power supply system • Assist Arduino programming • Tyler Dunn, EE: • Sensor testing and Integration • Device construction • Power system design and testing • Assist Arduino and GPRS programming

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