Embodiments include devices and methods for determining a spin direction of a motor of an unmanned aerial vehicle (UAV). A processor of the UAV may apply a first power to spin the motor in a first direction. The processor may select the first direction in response to determining that a detected rotational frequency-per-applied power in the first direction matches the expected rotational frequency-per-applied power. The processor may select the first direction in response to determining that a detected vertical motion is positive when the first power is applied in the first direction. The processor may also apply a second power to spin the motor in a second direction. The processor may determine whether a detected rotational frequency-per-applied power in the second direction matches the expected rotational frequency-per-applied power. The processor may determine whether a detected vertical motion is positive when the second power is applied in the second direction.


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    Title :

    Determining a Spin Direction of an Electric Motor



    Publication date :

    2017-12-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B64C AEROPLANES , Flugzeuge



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