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Article Dans Une Revue International Journal of Control Année : 2015

Sensorless position estimation and control of permanent-magnet synchronous motors using a saturation model

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Résumé

Sensorless control of permanent-magnet synchronous motors at low velocity remains a challenging task. A now well-established method consists of injecting a high-frequency signal and using the rotor saliency, both geometric and magnetic-saturation induced. This paper proposes a clear and original analysis based on second-order averaging of how to recover the position information from signal injection; this analysis blends well with a general model of magnetic saturation. It also proposes a simple parametric model of the saturated motor, based on an energy function which simply encompasses saturation and cross-saturation effects. Experimental results on a surface-mounted motor and an interior magnet motor illustrate the relevance of the approach.

Dates et versions

hal-01248848 , version 1 (29-12-2015)

Identifiants

Citer

François Malrait, Al Kassem Jebai, Philippe Martin, Pierre Rouchon. Sensorless position estimation and control of permanent-magnet synchronous motors using a saturation model. International Journal of Control, 2015, 89 (3), pp.535-549. ⟨10.1080/00207179.2015.1084049⟩. ⟨hal-01248848⟩
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