07843155 is referenced by 13 patents and cites 23 patents.

A permanent magnet rotor for use in a flux regulated permanent magnet brushless machine is constructed such that the inductance along the direct and quadrature axes is markedly different to provide sensorless position feedback for the rotor.

Title
Direct flux regulated permanent magnet brushless motor utilizing sensorless control
Application Number
12/100452
Publication Number
7843155 (B2)
Application Date
April 10, 2008
Publication Date
November 30, 2010
Inventor
Jacek F Gieras
Glastonbury
CT, US
Gregory I Rozman
Rockford
IL, US
Agent
Carlson Gaskey & Olds PC
Assignee
Hamilton Sundstrand Corporation
CT, US
IPC
H02P 6/16
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