Motor driving device, method of adjusting the same, and informat

Details Motor driving device, method of adjusting the same, and informat Motor driving device, method of adjusting the same, and informat

1999-07-16

2000-03-21

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With compensating features

318599, 360 7701, 369 4425, 369 4435, H02P 800, G11B 558

Patent

active

060406747

ABSTRACT:
A method of adjusting a motor driving device which performs current-feedback PWM drive, the motor driving device, and an information storage device are provided. According to the present invention, a drive circuit is turned off by a control circuit, and a target current indication signal is gradually increased. The content of a register which stores the result of comparison between the output signal of a comparator circuit and the target current indication signal is then detected. If the content of the register is "1", i.e., if the output signal of the current sense circuit is smaller than a target current indication signal, the target current indication signal immediately before the output of the comparator circuit reaches "1" is stored as the reference value of the target current indication signal.

REFERENCES:
patent: 5699207 (1997-12-01), Supino et al.
patent: 5789895 (1998-08-01), Lee
patent: 5808975 (1998-09-01), Tani

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