Torque compensation method and system for DC brushless motor

Details Torque compensation method and system for DC brushless motor Torque compensation method and system for DC brushless motor

2007-09-26

2010-02-23

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S599000, C318S434000, C318S400010, C318S400220, C388S809000, C388S811000, C388S815000

Reexamination Certificate

active

07667421

ABSTRACT:
A torque compensation method and system for a DC brushless motor. When the DC brushless motor coupled with an asymmetric load is rotating, the difference between an instant current and an average current of a shunt resister is an index of adjusting control signals within an absolute rotor position for the purpose of approaching the corresponding instant current to the average current.

REFERENCES:
patent: 5363028 (1994-11-01), Mori
patent: 5616994 (1997-04-01), Nagaoka et al.
patent: 5689162 (1997-11-01), Li
patent: 5859510 (1999-01-01), Dolan et al.
patent: 7235946 (2007-06-01), Park

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