Abstract: In speed-sensorless-controlled induction motor (IM) drives, current sensors are important but prone to failure, which may significantly degrade control performance. In view of this, this ...

This paper presents an estimation method of rotational direction and speed for free-running ac machines driven by an inverter without speed and voltage sensor. The method has four estimation modes, ...

CNET staff -- not advertisers, partners or business interests -- determine how we review the products and services we cover. If you buy through our links, we may get paid. Trisha Jandoc was an ...