Drive control method for a motor and an apparatus therefor

Details Drive control method for a motor and an apparatus therefor Drive control method for a motor and an apparatus therefor

1996-10-25

2000-02-08

Masih, Karen

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

388934, 165 16, 165209, G05D 2300

Patent

active

060231440

ABSTRACT:
A motor drive control method and an apparatus therefor in a motor used in an adjusting device for adjusting a physical amount such as a temperature of a heat-generating member, wherein a load on a bearing of the motor caused by frequently repeating drive/stop of the motor can be reduced; thereby, prolonging the service life of the motor. The temperature of the heat-generating member is detected by a temperature detection sensor. A comparison calculating unit calculates a temperature change rate K.sub.n or the like in order to recognize the temperature of the heat-generating member and a change state (such as, a temperature change rate), and selects a rotating speed change characteristic appropriate for the change state at such time. An indication signal for changing the rotating speed of the motor on the basis of the selected characteristic is outputted to a motor control driver in order to perform drive control for the motor. In this manner, drive/stop of the motor can be avoided from being frequently repeated, and a load on the bearing of the motor is reduced.

REFERENCES:
patent: 4890666 (1990-01-01), Clark
patent: 5544697 (1996-08-01), Clark
patent: 5580334 (1996-12-01), Minowa et al.

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