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Happy Home Helper Final Status Presentation Jeremy Searle Apr 20, 2004
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Background Home Automation is used for various household controls (lights, security, entertainment) Systems tend to be expensive Systems completely rely on the home PC which can be unreliable (Hackers, Crash, Power Surge, Virus) Systems must be programmed to accomplish tasks and do not learn
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Problem Statement To design a home automation system that is capable of learning and executing daily routines at an economical cost.
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Solution Central micro-controller unit Outlet control modules PC user interface Sensors to control lights/sense walking path Remember routines by averaging sensor data and user input data Wireless communication between devices Computer controlled window and door mechanisms
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System Overview Central μController Outlet Module Data Flow Human Input Misc. Sensors
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System Functionality Goals For Final Demonstration: -Combine central μ-controller and outlet module functions into one unit -Have a working blind actuator prototype with a light sensor NOT in Final Demonstration: -Window opening actuators -Wireless communications -Sensors from outlet modules -Learning (this would be in software for the PC, but basic functions take precedence over this advanced feature)
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Outlet Module Overview Serial Input/Output to/from Central μController Power from wall outlet Current Sensor Relay Device to be controlled by Outlet Module μController AC/DC converter Serial Input/Output to/from Peripherals (sensors, actuators)
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Outlet Module Functionality Goals For Final Demonstration: -Current Sensor to be able to report power consumption -Relay to be remotely controlled by PC interface NOT in Final Demonstration: -Integrated power supply -The ability to control only one receptacle of the two present -Peripheral Serial Bus for sensors -Serial Bus to/from HC08
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Central Micro-Controller Overview Serial Input/Output to/from Outlet Modules Serial Input/Output to/from PC NVRAM uController RTC
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Central Micro-Controller Functionality Goals For Final Demonstration: -Two way communication with PC NOT in Final Demonstration: -NVRAM -Real Time Clock -Serial Communications to/from outlet modules
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Schedule
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Thank You Any Questions ? Email me at jsearle@vtc.edu
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