The Internet Power Line Adapter - University of Queensland
The Internet Power Line Adapter - University of Queensland
The Internet Power Line Adapter - University of Queensland
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Home Automation, <strong>Power</strong> <strong>Line</strong>s and the <strong>Internet</strong> Quenten Alick<br />
<strong>Adapter</strong> 1<br />
<strong>Internet</strong><br />
Controller&<br />
Web Server<br />
Figure 3-1 Block Diagram <strong>of</strong> the System<br />
3.3 Client Specifications<br />
3.3.1 <strong>Power</strong> Measurement & Turn On / Off<br />
- 15 -<br />
<strong>Adapter</strong> 2<br />
<strong>The</strong> accurate measurement <strong>of</strong> power consumed in home AC systems is a very<br />
large and difficult topic. For this thesis, the emphasis is on the home automation<br />
system, not the power consumption, therefore the power meter will not be<br />
designed to be accurate. It is intended more for the purpose <strong>of</strong> generating some<br />
meaningful data that can be sent across the power lines. <strong>The</strong>refore the main<br />
requirement for the power meter is that it is simple and easy to build.<br />
<strong>The</strong> ability to turn the connected appliance on or <strong>of</strong>f is also intended to prove the<br />
communications aspect. It is quite a simple feature to implement but it is typical<br />
<strong>of</strong> the type <strong>of</strong> communications that needs to be sent to simple home automation<br />
devices.
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