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Parameter sensitivity of full-order flux observes for induction motors
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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IEEE Transactions on Industry Applications, Volume 33, issue 4, pp. 1127-1135
Abstract
This paper deals with flux estimation for induction motor drives. The equations of the parameter sensitivity of both the rotor flux estimation and the torque production are derived for a full-order flux observer. Based on the parameter sensitivity analysis, practical methods of designing robust observer gains combining the current model and the voltage model are proposed. The proposed gains are easy to tune and lead to a simple observer structure. Experimental results show that for inaccurate parameter estimates, both the steady-state and dynamic errors in the produced torque are small as compared to the current model. Furthermore, high-speed operation is possible without modeling the magnetic saturation even if motor parameters are highly erroneous.
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Hinkkanen, M & Luomi, J 2003, 'Parameter sensitivity of full-order flux observes for induction motors', IEEE Transactions on Industry Applications, vol. 33, no. 4, pp. 1127-1135. https://doi.org/10.1109/TIA.2003.814560