Closed-loop control system for a stepping motor

Details Closed-loop control system for a stepping motor Closed-loop control system for a stepping motor

1986-07-03

1987-12-01

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, G05B 1940

Patent

active

047106905

ABSTRACT:
A system and method for operating a stepping motor in start, run, and stop modes of operation. After the stepping motor is accelerated in the start mode, it is operated in the run mode by energizing the windings with a lead angle of two steps in one embodiment and by energizing the windings with a lead angle of two and one quarter steps in a second embodiment.

REFERENCES:
patent: 3359474 (1967-12-01), Welch et al.
patent: 3374410 (1968-03-01), Cronquist et al.
patent: 3439200 (1969-04-01), Saito et al.
patent: 3766458 (1973-10-01), Nishimura et al.
patent: 4156170 (1979-05-01), Strunc
patent: 4158800 (1979-06-01), Jahelka et al.
patent: 4536691 (1985-08-01), Sakakibara
"Digital Methods Fixes Phase Lag or Lead", D. W. Kennedy, Control Engineering, Aug. 1967, p. 72.
Giacomo, Paul, "A Stepping Motor Primer, Part 1: Theory of Operation", BYTE Publications Inc., Feb. 1979, pp. 90-105.

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