Home Utility Management System

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

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

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

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

E-Power Home Utility Management System

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

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

Outlet Current Sensing

Outlet Current Sensing Simplified Block Diagram

Hall Effect Sensor Sensor Output

Sensor Amplification Amplifier Output

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

Data Transmission

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

Zigbee Home Network Overview

Data Processing and Output

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

Data Processing Flow Diagram

User Interface

Budget Total cost to date $ Total amount available $17.96 Main Allocations 1. Web Server $ Zigbee $ µcontroller $5.17

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

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

Questions?