identify_planetary_ratio¶
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identify_planetary_ratio
(planetary_speeds_in, engine_speeds_out, final_drive_speeds_in)[source]¶ Calculates final drive speed [RPM].
Parameters: - planetary_speeds_in (numpy.array) – Planetary speed vector [RPM].
- engine_speeds_out (numpy.array) – Engine speed vector [RPM].
- final_drive_speeds_in (float) – Final drive speed in [RPM].
Returns: Fundamental planetary speed ratio [-].
Return type: numpy.array