Method for driving a stepping motor

Details Method for driving a stepping motor Method for driving a stepping motor

1990-04-13

1992-04-07

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

051031515

ABSTRACT:
In a stepping motor having a plurality of phase windings, a phase-angle range of an electrifying signal for each of the phase windings is made smaller than 180.degree., and a counterelectromotive voltage generated in each of the phase windings is detected during an off time of the electrifying signal, to realize a closed-loop driving.

REFERENCES:
patent: 4480218 (1984-10-01), Hair
patent: 4658194 (1987-04-01), Richter et al.
patent: 4904917 (1990-02-01), Hakluytt

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