Abstract: A simple position-sensorless method for the rotor-side field-oriented control of a wound-rotor induction machine is described in this paper. The algorithm is based on axis transformations.

Abstract: The conventional switching-table-based direct-torque-controlled (DTC) ac machine drive is usually afflicted by large torque ripple, as well as steady-state ...

A faintly musty coffee is often the first sign your kitchen coffee maker is harbouring mould. From hidden reservoirs to soggy grounds, here is how to tell when it’s a problem and what to tackle first.

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