Multiple phase stepper motor torque control apparatus and method

Electricity: motive power systems – Open-loop stepping motor control systems

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318685, H02P 800

Patent

active

046238280

ABSTRACT:
A control apparatus and method are disclosed for controlling the output torque of a multiple phase stepper motor, by turning OFF the normally excited phases for predetermined periods.

REFERENCES:
patent: 4361410 (1982-11-01), Nakajima et al.
"Stepping Moters and Their Microprocessor Controls", Kenjo, Clarendon Press Oxford, 1984.

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