Method of and apparatus for operating stepping motors

Details Method of and apparatus for operating stepping motors Method of and apparatus for operating stepping motors

1979-10-09

1981-07-21

Dobeck, B.

Electricity: motive power systems

Open-loop stepping motor control systems

318611, G05B 1940

Patent

active

042800846

ABSTRACT:
A method and apparatus for driving a stepping motor by angularly displacing the revolvable magnetic field with respect to the rotor by a first displacement angle in a given direction of revolution and then revolving the revolvable magnetic field, preferably with linearly increasing velocity and therefore maintaining constant displacement angle between the field and the rotor until the rotor rotates at a second velocity.

REFERENCES:
patent: 3541418 (1970-11-01), Agin et al.
patent: 3599069 (1971-08-01), Welch
patent: 3812414 (1974-05-01), Abraham
patent: 3896363 (1975-07-01), Kinsel et al.
patent: 3947742 (1976-03-01), Van Acker
patent: 4091316 (1978-05-01), Friedman
patent: 4215302 (1980-07-01), Chiang

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