Comparison Between MRLS and MRAS Applied to a Speed Sensorless Induction Motor Drive
作者： O.S. Martins , H.T. Camara , H.A. Grundling
DOI: 10.1109/PESC.2006.1712036
关键词:
摘要: This paper presents a comparison between two different techniques applied to speed sensorless induction motor drives. The first scheme Modified Recursive Least Squares (MRLS) estimator while the second one evaluated is widely known Model Reference Adaptive System (MRAS) estimator. Both are used concurrently with Robust Controller (RMRAC) in control loop. In this paper, experimental results for MRLS and MRAS were obtained fixed point DSP-based (TMS320F2812) setup. State variable filters employed obtain differentiation of signals both estimators. dynamic steady state characteristics these systems evaluated, including parameter variation torque disturbances.
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