feat: Add data point Wheel.Speed #464
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| Speed: | ||
| datatype: float | ||
| type: sensor | ||
| unit: km/h |
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Is km/h a "good" unit for wheel speed. (and does it match description?)
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The sensing system measures how fast the wheel rotates. From the sensor point of view, the unit would be something like radians/second or degrees/second. I believe that in a vehicle, however, this signal is used to derive the vehicle's speed. Since VSS does not describe the sensor itself, but rather focuses on the characteristic that the data is supposed to describe, the unit should be the same as the one used for the speed of the vehicle (i.e., km/h).
In the dataset example, the unit of this data is measured in m/s. Similarly, vendors specify the sensitivity of the sensor in km/h (See, for example this one that says "Speed detection close to 0.1 km/h").
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Decision to merge July 27th 2022 |
As mentioned in issue #368, there are datasets that use that data point.