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Conference Papers Year : 2013

A real-time observer for UAV's brushless motors


Vector control has been widely used in control of permanent magnet synchronous motors (PMSM). This technique requires an accurate knowledge of the rotor position. In many applications, such as mini-UAV, it is not possible to install any mechanical sensor. Therefore, a sensorless technique using position observer has to be implemented in order to estimate the rotor position. In this paper, we propose a new observer for PMSM sensorless control: the position estimate is generated upon electromagnetic relations (dynamics of magnetic flux in the motor) in the two-phase stationary reference frame. The implementation of the proposed observer is not a real burden; its validity is experimentally tested and satisfactory results are obtained regarding real position (and speed set-point) tracking in different operating situations.
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Dates and versions

hal-00880592 , version 1 (06-11-2013)



Mohamad Koteich, Thierry Lemoing, Alexandre Janot, François Defaÿ. A real-time observer for UAV's brushless motors. ECMSM 2013, Jun 2013, Toulouse, France. pp.1-5, ⟨10.1109/ECMSM.2013.6648964⟩. ⟨hal-00880592⟩
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