Motor driving circuit

Details Motor driving circuit Motor driving circuit

1998-03-24

2000-08-15

Ip, Paul

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318490, 324503, H02P 706, H02P 800

Patent

active

061041505

ABSTRACT:
A motor driving circuit controls driving currents to be supplied to stator coils of a plurality of phases so as to supply the driving currents to the stator coils in sequence so as to generate a rotating magnetic field. The interaction between the rotating magnetic field generated by the stator coils and a magnetic field generated by a magnet of a rotor causes the rotor to rotate with respect to the stator coils. The motor driving circuit includes a driving circuit for supplying the driving currents to the stator coils, respectively; and a preventing circuit for preventing the driving means from supplying the driving currents to the stator coils in sequence.

REFERENCES:
patent: 4488101 (1984-12-01), Studtmann
patent: 4540922 (1985-09-01), Horvath et al.
patent: 4716487 (1987-12-01), Horvath et al.
patent: 5258695 (1993-11-01), Utenick et al.
patent: 5686839 (1997-11-01), Takagi
patent: 5748459 (1998-05-01), Yamada et al.
patent: 5751132 (1998-05-01), Horvath et al.
patent: 5880572 (1999-03-01), Tajima et al.
A book, `Precision Small Motor Application Method`, supervised by Hiroshi Yamada, edited by the Industrial Investigation Society (Kogo Chosa Kai), and published by Kaoru Yoshimoto, the first edition of which was published on Jul. 30, 1986; pp. 51-53, `Axial Flux Type Brushless Motor`, `Sheet Coil` (1) Structure; pp. 201-203, `Axial Flux Type Brushless Motor`, `Sheet Coil Motor`; and pp. 225-227, `Features and Specification of Used Scanner Motor`, `Speed Control of Scanner Motor`.

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