sensorless speed control of 4-switch three phase inverter fed induction motor drives at very low and zero speed

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ID: 187199
2013
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Abstract
Sensorless induction motor (IM) drives are widely used in industry for their reliability and flexibility, particularly in hostile environment. However, the performance of many of previously developed observer based speed sensors in very low speeds of IM drives was not satisfactory. In this paper, the model reference adaptive system (MRAS)-based speed and stator resistance estimators of IM drives fed by four switch three phase inverter (FSTPI) in the critical low and zero speed region of operation are presented. The estimated speed is used as feedback in a vector control system. The MRAS approach has the immediate advantage that the model is simple, eliminates the produced error in the speed adaptation, and more stable and robust. Simulation results of the MRAS speed observer based sensorless field-oriented induction motor drives fed by FSTPI are presented at critical low and zero speed region of operations. The performances of the MRAS technique is evaluated in indirect vector control system. Experimental results validate the proposed approach.
Reference Key
metwally2013alexandriasensorless Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;M.K. Metwally
Journal PLoS computational biology
Year 2013
DOI
10.1016/j.aej.2013.05.003
URL
http://www.sciencedirect.com/science/article/pii/S1110016813000495
Keywords
induction motor civil engineering (general)

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