Stepping motor drive method and apparatus

Details Stepping motor drive method and apparatus Stepping motor drive method and apparatus

1977-05-12

1979-02-20

Hohausser, Herman J.

Electricity: motive power systems

Open-loop stepping motor control systems

H02K 3700

Patent

active

041409558

ABSTRACT:
A driver circuit for controlling the excitation of a multi-phase stepping motor is described which includes a switching power supply providing two average power output levels. The switching power supply provides a high voltage at the initiation of each excitation of a motor winding and a modulated voltage having an average at the normal operating level. The driver according to the invention eliminates need for dual power supplies and damper resistors.

REFERENCES:
patent: 3684934 (1972-08-01), Loyzim
patent: 3826966 (1974-07-01), Nagasaka et al.

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