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Several position sensorless control methods of IPMSMs(Interior Permanent Magnet Synchronous Motors) using the observers have been proposed. In case of the full-order observers, these designs are difficult, because the order of the error equations of the observers becomes four. In this paper, for the position sensorless control of IPMSMs, a design method of the full-order observer based on the extended...
The reduced order observer (disturbance observer) based on the the extended electromotive force(eemf) model, which can be applied to the position and velocity sensorless control for all synchronous motors included IPMSMs(Interior Permanent Magnet Synchronous Motors), had been proposed by authors. However, the design of a full-order eemf observer is difficult, because the error equations of the observers...
A full-order extended electromotive force (eemf) observer for sensorless control of IPMSM and a design method of one have been proposed. This paper proposes a new design method of the full-order eemf observer by taking a new look at the error system of one. The simulation results show that a new design method of the full-order eemf observer is very useful.
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