Driving system for stepping motor

Details Driving system for stepping motor Driving system for stepping motor

1989-06-29

1991-04-16

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 358409, H02P 800

Patent

active

050086073

ABSTRACT:
A driving system for a stepping motor wherein the stepping motor is rotated by a predetermined angle for each driving step. The system counts the time between two successive driving triggers, and changes at least one of the phase energization current and the phase energization time at the start of the driving of the stepping motor in response to the time count.

REFERENCES:
patent: 4145643 (1979-03-01), Maeda et al.
patent: 4149196 (1979-04-01), Wada et al.
patent: 4642544 (1987-02-01), Furumura et al.
patent: 4701687 (1987-10-01), Yoshimoto

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