Prototype Photos
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| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151640.jpg?version=2&modificationDate=1332081717000&api=v2) Viewing power usage with device tree (task 1). Graph is zoomed and dotted line shows predicted usage. |
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| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151145.jpg?version=2&modificationDate=1332081705000&api=v2) Viewing power usage with device list (task 1). Graph is in default state, showing monthly usage. |
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| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151456.jpg?version=2&modificationDate=1332081711000&api=v2) Changing device settings (task 2). Dotted line shows predicted usage after saving new settings. |
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| ![](/confluence/download/thumbnails/82331380/IMG_20120316_152019.jpg?version=1&modificationDate=1332081735000&api=v2) Viewing stored power with device tree (task 3). Graph shows daily storage. |
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| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151757.jpg?version=2&modificationDate=1332081724000&api=v2) Selling power (task 3). Graph shows grid pricing information. |
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| Round 1
| Round 2
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Device tree tab selected Usage tab selected |
![](/confluence/download/thumbnails/82331380/dayTree.PNG?version=1&modificationDate=1332055132000&api=v2) Figure 1.1: Daily view
| ![](/confluence/download/thumbnails/82331380/IMG_20120316_150739.jpg?version=2&modificationDate=1332081694000&api=v2) Figure 1.2: Yearly view |
In round 2 we added a "sell power" button to each device. |
![](/confluence/download/thumbnails/82331380/gen.PNG?version=1&modificationDate=1332055132000&api=v2) Figure 2.1: Storage view
The image above shows the storage view in round 1, before the "sell power" button was added for each device in the table.
| ![](/confluence/download/thumbnails/82331380/IMG_20120316_150303.jpg?version=2&modificationDate=1332081676000&api=v2) Figure 2.2: Storage device table vs usage device table in round 2
The image above shows the device tables for "storage" (on the bottom) view and "usage" view (the top table), illustrating the similarity between the two tables.
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Transaction scheduling
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![](/confluence/download/thumbnails/82331380/transaction.PNG?version=1&modificationDate=1332055227000&api=v2) Figure 3.1: Transaction scheduling 1
| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151801.jpg?version=2&modificationDate=1332081729000&api=v2) Figure 3.2 Transaction scheduling 2
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Monthly view
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![](/confluence/download/thumbnails/82331380/month.PNG?version=1&modificationDate=1332055132000&api=v2) Figure 4.1: Monthly view 1
| ![](/confluence/download/thumbnails/82331380/IMG_20120316_151640.jpg?version=2&modificationDate=1332081717000&api=v2) Figure 4.2: Monthly view 2
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Other
Round 1: setpoint and transaction scheduling
Round 2: new graph specific features added before round 2
| ![](/confluence/download/thumbnails/82331380/setpoint.PNG?version=1&modificationDate=1332055085000&api=v2) Figure 5.1.1: Setpoint
![](/confluence/download/thumbnails/82331380/transactions.PNG?version=1&modificationDate=1332055071000&api=v2) Figure 5.1.2: Scheduling transactions | ![](/confluence/download/thumbnails/82331380/IMG_20120316_150507.jpg?version=2&modificationDate=1332081688000&api=v2) Figure 5.2.1: Power usage estimate for today
The green dashed line in Figure 5.2.1 above, shows the estimated power usage for the next 6 hours (based on grid pricing and previous usage patterns).
![](/confluence/download/thumbnails/82331380/IMG_20120316_145751.jpg?version=2&modificationDate=1332081663000&api=v2) Figure 5.2.2: Power usage estimate for this month
The dotted line in figure 5.2.2 shows the predicted usage values for a short period after the current time.
![](/confluence/download/thumbnails/82331380/IMG_20120316_145758.jpg?version=2&modificationDate=1332081667000&api=v2) Figure 5.2.3: Graph average
Figure 5.2.3 above shows the horizontal dotted line with a label showing the average for the graph, as described in the "Between Round 1 and Round 2" section.
![](/confluence/download/thumbnails/82331380/IMG_20120316_145815.jpg?version=2&modificationDate=1332081672000&api=v2) Figure 5.2.4: Graph average and power usage estimate
The images above show the graph changes we made for round 2.
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After Round 2
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- Prototype Pictures
The table below shows the changes we made based on the user feedback in Round 2.
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