Parameter Sensitivity and Estimation of a Novel Hybrid Scheme Based on MRAS in Indirect Vector Control System

Ting Rui Cui; Li Wei Zhang; Jie Liu

doi:10.4028/www.scientific.net/AMM.347-350.148

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Parameter Sensitivity and Estimation of a Novel...

Parameter Sensitivity and Estimation of a Novel Hybrid Scheme Based on MRAS in Indirect Vector Control System

Abstract:

The indirect vector control scheme is machine parameter dependent. And parameter identification schemes are themselves dependent on some motor parameters. This paper analyzes parameter sensitivities of two identification methods, reactive power model and q-axis flux model based on MRAS are analyzed through extensive simulations and experiments on an induction motor. Then a novel scheme is proposed based on hybrid model by combining the two adaptive models. The results demonstrate that the hybrid scheme is almost parameter independent in different operation conditions. And it is considered useful in practical application.

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Periodical:

Applied Mechanics and Materials (Volumes 347-350)

Pages:

148-151

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.148

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Online since:

August 2013

Authors:

Ting Rui Cui, Li Wei Zhang, Jie Liu

Keywords:

Hybrid Model, MRAS, Parameter Sensitivity, Q-Axis Flux, Reactive Power, Rotor Time Constant

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