A novel high-bandwidth sensorless controller for IPM synchronous machines

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Sensorless control of interior permanent magnet synchronous machines (IPMSM) has undergone many developments lately. Existing low-bandwidth sensorless controllers have so far limited the use of such controllers to low-performance applications. High-bandwidth position sensing, resulting in the actuating machine to be utilised as its own position sensor, is required in a truly vast range of sensorless and fast responsive electric drive systems in industry. The project's proposed method, demonstrated for the first time in 2013 via modelling, is a new method of high-bandwidth sensorless control of the IPMSM. The project’s aim is to fully develop this method via further modelling and experimentation.