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Sensorless control of deep-sea ROVs PMSMs excited by matrix converters

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4 Author(s)
Bhangu, B.S. ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield ; Snary, P. ; Bingham, C.M. ; Stone, D.A.

The paper reports the development of model-based sensorless control methodologies for driving PMSMs using matrix converters. In particular, experimental results show that observer-based state-estimation techniques normally employed for sensorless control of PMSMs using voltage source inverters (VSIs), can be readily exported to matrix converter counterparts with minimal additional computational overhead. Furthermore, zero speed start-up and speed reversal are experimentally demonstrated. Finally, the observer is designed to be fault tolerant such that upon detection of a broken terminal (phase fault), the PMSM remains operational and could be utilized to provide a limp-home capability

Published in:

Power Electronics and Applications, 2005 European Conference on

Date of Conference:

11-14 Sept. 2005