Pulse motor control circuit

Details Pulse motor control circuit Pulse motor control circuit

1992-02-06

1993-11-16

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318700, 318705, 318711, 318715, 318719, 318721, H02P 800

Patent

active

052627098

ABSTRACT:
A pulse motor control circuit for starting up and synchronizing a sync pulse motor (for use typically in factory automation or precise machining) with an external sync signal. The control circuit applies a starting drive pulse signal to start up and drive the motor to place it in synchronism with the external signal, and then switches the drive pulse signal to the external signal for the synchronous revolution of the motor. The starting drive pulse signal has a variable frequency which is varied from a frequency in the self-starting region to that of the external sync signal.

REFERENCES:
patent: 3812414 (1974-05-01), Abraham et al.
patent: 4348625 (1982-09-01), Sharp
patent: 4575667 (1986-03-01), Kurakake

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