Control apparatus for reluctance type synchronous motor

Details Control apparatus for reluctance type synchronous motor Control apparatus for reluctance type synchronous motor

2011-03-15

2011-03-15

Duda, Rina I (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S701000

Reexamination Certificate

active

07906923

ABSTRACT:
A control apparatus for a reluctance type synchronous motor wherein slit-shaped gaps or a nonmagnetic material are included within a rotor to provide level differences of the magnetic reluctance in a rotating direction, and a permanent magnet is included at a portion of the slit-shaped gaps or the nonmagnetic material to provide magnetic polarities at a rotor surface. The control apparatus includes a q-axis current calculation unit, a d-axis current calculation unit, a speed coefficient calculation unit, a q-axis current compensation value calculation unit, and an output unit which outputs a compensated q-axis current command value in which the calculated q-axis current compensation value is added to the q-axis current command value.

REFERENCES:
patent: 5936378 (1999-08-01), Iijima et al.
patent: 6208108 (2001-03-01), Nashiki et al.
patent: 2002/0180398 (2002-12-01), Nakatsugawa et al.
patent: 11356078 (1999-12-01), None
esp@cenet patent abstract for Japanese Publication No. 11356078, Publication date Dec. 24, 1999 (1 page).

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