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PMSM applications in high-performance control, with or without sensors, involve well self-tuning of the controllers and observers to machine parameters with off/on-line identifications for “plug-in” controllers. This paper proposed self-commissioning methods to automatic identify the PMSM electrical parameters (stator resistance, dq-inductances and PM flux) in sensorless drives, sometimes the rotor...
Highly dynamic stator-flux-oriented controls need an exact model-based observer of the induction machine to predict the non-measurable fluxes and to calculate the speed in sensorless operation. Inverter voltage errors cause inaccuracy and instability in the observer. Therefore an offline-measurement procedure without any additional measurement devices is presented, to identify the error voltages....
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