通过对定子电压方程做有条件的简化，得到一种转子磁通观测算法。
Through simplification of stator's voltage equation, a method for observing the flux of rator is obtained.
本文在交流电机双轴理论的基础上，以异步电动机转子磁通和定子电流为状态的状态方程为模型，推导出一种新型异步电动机磁通观测器。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
为了保持转子磁通恒定，采用了混合式磁通模型，它可以保证全速范围内磁通观测的准确性。
The system USES hybrid flux model to make the rotor flux constant during full speed range.
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