Title :
Using multiple saliencies for the estimation of flux, position, and velocity in AC machines
Author :
Degner, Michael W. ; Lorenz, Robert D.
Author_Institution :
Dept. of Mech. Eng., Wisconsin Univ., Madison, WI, USA
Abstract :
This paper presents an improved method of estimating flux angle, rotor position, and velocity by tracking the position of spatial saliencies in an AC machine. Specifically, a machine model is presented which accurately models the behavior of AC machines with multiple spatial harmonic saliencies. The effects of multiple spatial harmonic saliencies on the estimation of flux angle, position, and velocity is analyzed, and methods are presented utilizing multiple spatial harmonic saliencies to provide wide bandwidth, high accuracy estimates of flux angle, rotor position, and velocity
Keywords :
AC motors; harmonics; machine control; machine theory; magnetic flux; parameter estimation; rotors; AC machines; AC motors; flux angle estimation; machine model; multiple saliencies; multiple spatial harmonic saliencies; position tracking; rotor position estimation; sensorless control; spatial saliencies; velocity estimation; wide bandwidth; AC machines; Bandwidth; Force measurement; Frequency estimation; Harmonic analysis; Industry Applications Society; Mechanical engineering; Sensorless control; Testing; Voltage;
Journal_Title :
Industry Applications, IEEE Transactions on
