文章分析了感应电机无速度传感器控制中在同步转速为零且带负载状态下自适应磁链观测器(A FO ) 观测状态和估计转速的渐进稳定性。设计了基于模型参考自适应系统(MRA S) 全速域渐近稳定的状态观测和转速估计算法, 仿真结果表明所设计的算法是有效的。
关键词: 无速度传感器控制 感应电机 模型参考自适应系统(MRA S) 自适应转速估计
Abstract: In th is paper we fist analyze the stability of ro to r speed estimation and ro to r observation w ith adap tive flux observer in the speed senso r2less contro l of induction mo to rs. A fter that, based on the model refer2 ence adap tive system s we p ropo se a new estimating algo rithm of ro to r speed. W ith th is algo rithm the system is stable fo r any operation states. Simulation results show that new algo rithm is efficient.
Keywords: speed senso r2less contro l induction mo to rs model reference adap tive system s adap tive ro to r speed estimation
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