... 转速及负载控制回路：speed and load control circuit 转速估算：speed estimation 转速-功率曲线：speed power curve ...
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The frequently used speed estimation scheme such as speed-calculate and PID controller methods was also been briefly introduced by this paper.
对于转速辨识方法，本文首先介绍了常见的速度推算方法和PID调节器转速估计方法。
参考来源 - 交流驱动系统模型参考自适应控制技术The global stability of the speed estimation system is studied in the paper. The PI adaptation law is derived using the Popov’s hyperstability criterion and the Lyapunov’s stability theorem.
分析了基于全阶磁链观测器的转速估算系统的全局稳定性，分别采用波波夫超稳定性理论和李雅普诺夫稳定理论推导了转速自适应律，并给出了保证系统稳定性的假设条件。
参考来源 - 感应电机全阶磁链观测器和转速估算方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The veracity of rotor flux orientation is also improved though the speed estimation.
通过对转速的估计，间接矢量控制中转子磁场定向的准确度也大大提高。
The speed estimation is core question of the speed sensorless direct torque control system.
速度辨识是无速度传感器直接转矩控制的核心问题。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
同时，为了使转速估计和转子电阻的辨识解耦，在励磁电流处叠加了小幅交流分量。
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