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AssigneeArol S.P.A.
InventorsElia BRESCIA, Giuseppe Leonardo CASCELLA, Francesco CUPERTINO, Denis RUFFINO
Estimating the term…
A method of identifying the parameters of a permanent magnet synchronous motor, especially stator winding inductances and resistances and flux generated by the rotor magnets, is provided. The method provides for compensating the non-linearity of the inverter supplying the motor with power and of the actuation delays. In the method, the steady states of the motor are identified and the operating conditions of the steady states are extracted, and the identification at least of the stator winding resistances and the flux generated by the rotor magnets uses the data of two operating conditions of different steady states, which operating conditions are selected so as to minimise estimation errors for the parameter being identified.
A method of identifying the parameters of a permanent magnet synchronous motor, more particularly stator winding inductances and resistances and flux generated by the rotor magnets, the method providing for compensating the non-linearity of the inverter supplying the motor with power and of the actuation delays, characterised in that the steady states of the motor are identified (102) and the operating conditions, namely current, speed and temperature, of said steady states are extracted (104), and in that, for identifying the parameters, the data of two operating conditions of different steady states are used, which operating conditions are selected so as to minimise estimation errors for the parameter being identified.
Dependencies are inferred from the claim text.