| 摘要 |
A feedback gain K is determined by using an estimation error ei of a stator current, and an observed flux and an estimated speed are obtained and output based on the feedback gain K. An induction motor is controlled based on the observed flux and the estimated speed. In this way, a control system, an observer, and a control method, which realize a global stable control of an induction motor drive that does not comprise a speed sensor and/or a rotational position sensor, are implemented.
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