Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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searchwing-ardupilot-parameters [2020/07/04 02:22] wf68spef |
searchwing-ardupilot-parameters [2021/03/02 00:55] wf68spef [RPM] |
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| |RPM_PIN |Pin | PIN | depending on FC | | |RPM_PIN |Pin | PIN | depending on FC | | ||
| |RPM_SCALING |0.143 | | check the hints below for this setting | | |RPM_SCALING |0.143 | | check the hints below for this setting | | ||
| - | |RPM_TYPE |2 | AUX | Type needs to be AUX to calc using the given sensor | | + | |RPM_TYPE |2 | AUX | Type needs to be AUX to calc using the given sensor | |
| The RPM in general can be calculated using the formula from https://www.radiocontrolinfo.com/brushless-motor-efficiency/measuring-motor-rpm/ : | The RPM in general can be calculated using the formula from https://www.radiocontrolinfo.com/brushless-motor-efficiency/measuring-motor-rpm/ : | ||
| Line 129: | Line 129: | ||
| For the Extron 800KV Motor , we have 14 Poles. | For the Extron 800KV Motor , we have 14 Poles. | ||
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| + | By empirically comparing measurements of the given RPM sensor with some tachometer measurements, the actual formula need to be as following | ||
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| + | ''SCALING = ( 1 / # of Motor Poles )'' | ||
| ===== Tuning ===== | ===== Tuning ===== | ||