The Data Analysis Tool is an automatized analysis system used to evaluate AEV performance. This efficient and productive method is designed to communicate with the Arduino motor controller to collect and download data from the last run. (The code associated with these tests can be found under the “Arduino Codes” tab).
Below are two figures plotting Energy vs. Distance and Energy vs. Time:
- In Figure 1 the Data Analysis Tool is plotting power used over the distance traveled for the first test run. From the graph one can see that the AEV is accelerating for the first 0.1 meters as it is drawing larger amounts of power. For the next 0.35 meters the AEV is traveling at a constant speed with constant power usage, but then spikes sharply when the AEV switches directions. After the reversal of polarity the AEV settles at a constant speed for the remaining 0.2 meters before shutting off.
- In Figure 2 the Data Analysis Tool is plotting power used over the time elapsed. For the first 3 seconds its easy to determine that the AEV is constantly accelerating as it draws more power at a constant slope. After the acceleration the AEV runs at a constant speed for about 2 seconds before spiking to reverse polarity of the motors. The AEV then finishes the final 2 seconds running at a constant speed before breaking and cutting power.