Motor controller

Details Motor controller Motor controller

2002-07-05

2008-08-26

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

C318S811000, C318S609000, C318S610000, C318S459000, C318S504000

Reexamination Certificate

active

07417400

ABSTRACT:
The present invention is a motor control device comprising a control system, the control system being capable of controlling the motor by PWM and having integration means being capable of outputting an integrated value obtained by integrating a deviation between a rotation speed and a target rotation speed of a motor, the motor control device being capable of starting control with the control system for causing the motor to rotate at the target rotation speed after rotation of the motor has been started. In this motor control device, an output value of the integration means at a time when control with the control system is to be started is set to have a value that corresponds to a counter electromotive force generated in the motor by its rotation.

REFERENCES:
patent: 4580084 (1986-04-01), Takahashi
patent: 4869610 (1989-09-01), Nishizawa et al.
patent: 5384526 (1995-01-01), Bennett
patent: 5467173 (1995-11-01), Sakata et al.
patent: 6232730 (2001-05-01), Doyama et al.
patent: 6335604 (2002-01-01), Kataoka
patent: 61056715 (1986-03-01), None
patent: 11-206178 (1999-07-01), None
patent: 2001-128474 (2001-05-01), None
patent: 2001-169584 (2001-06-01), None
International Search Report of PCT/JP02/06849 dated Sep. 3, 2002.

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