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First, there is no dedicated “without g” sensor, it is a so-called fusion sensor typically based on accelerometer, gyroscope, and magnetometer. This could end up in some offset (depends on sensors, implementations and perhaps more).

Then, there should not be too much noise (vibrations etc.) generated by your setup. Smooth wheels and axles, for instance, help.

The acceleration that you would like to obtain should be ideally significantly larger than any other effects. If not, you need at least considerable time periods with (almost) constant acceleration and some post-processing (in the best case averaging), in order to get meaningful results.

Messages In This Thread
RE: 怎么在斜面上测量合加速度和μ - by Jens Noriʇzsɔɥ - 08-11-2022, 05:33 PM

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