Apparatus for carrying out improved control of rotary machine

Details Apparatus for carrying out improved control of rotary machine Apparatus for carrying out improved control of rotary machine

2011-07-26

2011-07-26

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S400020, C318S400150, C318S432000, C318S434000

Reexamination Certificate

active

07986117

ABSTRACT:
In an apparatus, a phase setter sets, based on a deviation between a generated torque and a request torque for a rotary machine, a phase of a vector of a variable output voltage of a power converter in a two-phase rotating coordinate system defined in a rotor of the rotary machine. A norm setter sets, based on the phase set by the phase setter and a rotational velocity of the rotor, a norm of the vector of the output voltage in the two-phase rotating coordinate system. A drive signal determiner determines, based on the phase set by the phase setter and the norm set by the norm setter, a drive signal, and applies the drive signal to the switching member to thereby drive the switching member such that the generated torque is adjusted to a request torque.

REFERENCES:
patent: 5357181 (1994-10-01), Mutoh et al.
patent: 7053581 (2006-05-01), Chen et al.
patent: 7589486 (2009-09-01), Yamada et al.
patent: 7723945 (2010-05-01), Okamura
patent: 7728541 (2010-06-01), Subrata et al.
patent: 7893637 (2011-02-01), Suhama et al.
patent: 09/047100 (1997-02-01), None

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