Rotor position estimation of a permanent magnet synchronous-mach

Details Rotor position estimation of a permanent magnet synchronous-mach Rotor position estimation of a permanent magnet synchronous-mach

1991-01-08

1992-09-01

Lall, Parshotam S.

Boots, shoes, and leggings

364483, 318721, H02P 104

Patent

active

051445646

ABSTRACT:
The invention comprises an apparatus and a method for controlling permanent magnet AC machines. Stator voltages and stator currents are sensed to produce signals which are utilized by a digital circuit to calculate control signals for the machine.

REFERENCES:
patent: 4238717 (1980-12-01), Knight et al.
patent: 4245181 (1981-01-01), Plunkett
patent: 4455513 (1984-06-01), Fulton et al.
patent: 4654566 (1987-03-01), Erdman
patent: 4677360 (1987-06-01), Garces
patent: 4814677 (1989-03-01), Plunkett
patent: 4922169 (1990-05-01), Freeman
patent: 4928043 (1990-05-01), Plunkett

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