在转子磁场定向异步电机矢量控制系统中，正确的转子时间常数是高性能矢量控制系统的关键。
In rotor flux orientation control, rotor time constant T2 is a key issue of high performance vector control technology.
本文还把MRAS方法推广到参数在线辨识上来，提出了基于MRAS的转子时间常数在线辨识新方法。
By extending the MRAS theory to parameter estimation, a new online estimation method for the rotor time-constant based on MRAS was presented in this paper.
仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化，同时对变化较大的转子时间常数具有一定的鲁棒性。
Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.
仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化，同时对变化较大的转子时间常数具有一定的鲁棒性。
Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.
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