Adaptive current control system for a stepper motor

Details Adaptive current control system for a stepper motor Adaptive current control system for a stepper motor

2006-05-02

2008-03-18

Duda, Rina (Department: 2837)

Electricity: motive power systems

Positional servo systems

C318S685000, C318S696000, C318S432000

Reexamination Certificate

active

07345447

ABSTRACT:
A method and a system are disclosed for adaptively controlling a stepper motor to produce a required torque output based on selection information provided by a sensor or a user/user interface which, in combination with a selector, selects a torque-related value. The selection information provided to the selector for selecting the stepper motor torque-related value may be, for example, the size or thickness of material being handled or the number of accumulated sheets for processing. The torque-related value is predetermined through experimentation and loaded into a lookup table stored in the memory of a motion control system board. The selected torque-related value is provided to a stepper motor driver which supplies the appropriate drive signal(s) to the stepper motor.

REFERENCES:
patent: 5204537 (1993-04-01), Bennet et al.
patent: 5838132 (1998-11-01), Tanaka
patent: 2004/0188919 (2004-09-01), Sakamaki et al.

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