Stepping motor drive control apparatus

Details Stepping motor drive control apparatus Stepping motor drive control apparatus

1987-06-12

1988-12-06

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

047898160

ABSTRACT:
A stepping motor drive control apparatus for controlling the drive of a stepping motor having a plurality of phase coils which are respectively excited to switch the phase. A cycle of a step signal which steps the stepping motor is measured. According to the measured cycle of the step signal, a switching time of the phase coil to be excited is variably set, so that damping and noise are prevented when the stepping motor is driven.

REFERENCES:
patent: 4429268 (1984-01-01), Yajima et al.

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