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ECE 477 Final Presentation Team 15 Spring 2010
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Outline Project overview Block diagram Design challenges
Individual contributions Project demonstration Questions / discussion
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Project Overview G.E.M.S. facilitates the conservation of electricity by enabling the remote management of household appliances connected to GEMS adapters, through a web interface and a touch-screen base unit. Users can turn devices on/off and monitor the consumption of power and energy remotely.
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Project Overview Adapter Connects to two appliances
Monitor usage of power over time Communicates with a base-unit using R/F Can turn devices on/off on receiving appropriate command
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Project Overview Base Touch-Screen Interface
Gestures to change between modes Communicates with adapter using R/F Stores appliance usage data Usage based power plans and statistics Hosts server for remote access
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Block Diagram
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Block Diagram
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Design Challenges Software:
Calculation of real power as an integral of instantaneous values recorded by the ATD channels. A reliable communication protocol between the power adapters and the base station that considers RF noise and is scalable. Hosting a secure web server in order to operate the power management system remotely.
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Design Challenges Hardware:
Powering the different components on the printed circuit board using a bipolar power supply Calibrating the current and voltage sensors such that the output voltage is within the tolerable range of the ATD on the microcontroller. Packaging the entire Printed Circuit Board along with other components into a single box.
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Individual Contributions
Amey Rane Madhur Srivastava Tejas Pandit Varun Sivakumar
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Amey Rane Microcontroller selection & integration
Prototyping and debugging - Bipolar power supply - Current and Voltage Sensors Microcontroller software development ATD RF communication protocol Power and Energy Calculations
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Madhur Srivatava Component Selection
Researched Power Calculation methods Component Testing Microcontroller Current, Voltage sensor circuits RF transceivers Product Packaging Website Maintenance
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Tejas Pandit PCB Layout and PCB Routing Patent Analysis
Component Testing Microcontroller Current, Voltage sensor circuits RF transceivers Product Packaging Website Maintenance
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Varun Sivakumar PCB Design Software Development for Intel Atom Board
Touch Screen Interface User Interface Database Management COM port Interface Device Polling and Synchronization Web server configuration and product website development Team website development
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Project Demonstration
An ability to measure power consumption of plugged-in devices over time An ability to communicate with a base unit using RF and to upload recorded information on a web server using the Ethernet interface An ability to turn devices on/off remotely An ability to set up intelligent power plans to turn off devices either after a fixed amount of time or after fixed power consumption An ability to use touch screen interface to monitor the operating parameters of the power management system
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Video
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Questions / Discussion
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