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The filtered gyro data is shown in the lower part of the figure below.
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![Upper part: Gyro measurements with both motors turned on at full power. The car was places on the back and did not move. Lower part: Filtered gyro measurements with an exponential filter.](https://gitlab.au.dk/rene2014/lego/raw/master/Lesson8/Images/GyroDataNoMove.png)
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The filtered clearly removes a lot of the spikes in the data. This might make it easier to see when a plateau is entered. The `alpha` value used here is 0.7.
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The filter clearly removes a lot of the spikes in the data. This might make it easier to see when a plateau is entered. The `alpha` value used here is 0.7.
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## Gyro measurements on a plateau
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