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Rotor Flux Estimation of Induction Motors Using Sliding-Mode Observer

机译:使用滑模观测器的感应电机转子通量估计

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A high-order nonsingular terminal sliding-mode observer is presented for rotor flux of induction motors based on field oriented control systems in this paper. A terminal sliding-mode manifold is chosen for the observer and the nonsingular control laws are utilized to stabilize the observer. The high-order sliding-mode control method is applied to guarantee the strong robustness of the induction motor system and to produce a smooth control signal of the observer. The soften signal is directly used for the rotor flux estimation. The effect of the equivalent low-pass filter in the proposed observer can be optionally regulated. The chattering phenomenon can be attenuated effectively. The simulation results validate the proposed method.
机译:基于本文面向磁场控制系统的感应电机转子通量,提出了一种高阶非源末端滑动模式观察者。选择终端滑动模式歧管,用于观察者,并且利用非奇形控制法稳定观察者。应用高阶滑模控制方法以保证感应电动机系统的强稳健性,并产生观察者的平滑控制信号。软化信号直接用于转子通量估计。可以任选地调节在所提出的观察者中的等效低通滤波器的效果。喋喋不休的现象可以有效地衰减。仿真结果验证了所提出的方法。

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