Stepper motor control system

Details Stepper motor control system Stepper motor control system

1991-03-29

1993-06-01

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

052163474

ABSTRACT:
A control system for controlling a stepper motor which uses six power transistors in a single, interconnected configuration with two stepper motor field coils. Two transistors are common to both field coils of the stepper motor with two stepper motor field coils. Control circuitry for switching the six transistors allows full and half step motor positioning to be performed. Transition phases are used between steady state phases to provide accurate motor operation. The transition phases are controlled entirely within the control circuitry without a requirement for input from outside the controller.

REFERENCES:
patent: 4107593 (1978-08-01), Anderson
patent: 4558268 (1985-12-01), Besson et al.
patent: 4908562 (1990-03-01), Back

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