Method and device for sensorless vector control for AC motor

Electricity: motive power systems – Induction motor systems

Reexamination Certificate

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C318S400020

Reexamination Certificate

active

07463005

ABSTRACT:
A control method and a controller for an a.c. motor without using a speed sensor in which the speed estimated value or the magnetic flux estimated value of an all-dimensional magnetic flux speed observer can be made to correspond to that of an actual a.c. motor.

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patent: 2003-18898 (2003-01-01), None

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