1. Home Utility Management System

2. Who is E-Power? Tony Galecki –Computer Engineer Wesley Baker –Computer Engineer Vinh Huynh –Electrical Engineer Brian Frederick –Electrical Engineer Sergio Espinoza –Electrical Engineer Ben Walpole –Electrical Engineer

3. Have You Asked Yourself? Why is my electricity bill so high? Why do we keep having rolling blackouts? Is SDGE ripping me off?

4. Why E-POWER? Utilities companies are behind with construction of power facilities to serve peak demand Increased power consumption means rolling blackouts 96% of people surveyed said they would use a home power monitoring system to conserve power

5. E-Power Home Utility Management System Measure power consumption of an appliance Display power consumption cost over time Simple user interface via internet Connect/disconnect option for each device Assist in reducing peak power demand

6. E-Power Home Utility Management System

7. How does it work? Easy as 1-2-3ish 1. Turn on central hub/web server 2. Plug appliance into wall unit 3. Log onto personalized web page 4. Enjoy your new found power

8. Tell Me More!!

9. Overall System Comprised of Three Subsystems Wireless Communication Usage Information Via Internet

10. Outlet Current Sensing

11. Outlet Current Sensing Simplified Block Diagram

12. Hall Effect Sensor Sensor Output

13. Sensor Amplification Amplifier Output

14. Sampling amplifier output for peak value Low-Power high speed µC 10 bit A/D converter

15. Data Transmission

16. Zigbee 802.15.4 Compatibility Auto configuration Mesh network Low Power Security Device 1 ControllerDevice 3Device 2

17. Zigbee Home Network Overview

18. Data Processing and Output

19. Embedded Server Real time operating system Internet accessible Process and store data Output data to a dynamic web application

20. Data Processing Flow Diagram

21. User Interface

23. Budget Total cost to date $232.04 Total amount available $17.96 Main Allocations 1. Web Server $99.00 2. Zigbee $9.95 3. µcontroller $5.17

24. Management System Summary Measure power consumption of an appliance Display power consumption cost over time Simple user interface via internet Connect/disconnect option for each device Change your power consumption behavior

25. How Can I Get One? Base Package System Includes –1 Main Hub and 3 Outlet Units $250.00 –Each Additional Outlet $50.00 Special pricing for Mother’s Day! Save an additional 15%

26. Questions?