Microprocessor controlled dual channel closed loop controller fo

Details Microprocessor controlled dual channel closed loop controller fo Microprocessor controlled dual channel closed loop controller fo

1988-07-14

1989-08-22

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, H02P 800

Patent

active

048599239

ABSTRACT:
A controller for stepper motors used in servo systems is implemented for being controlled by a microprocessor via appropriate input/output circuitry. Upon application of discrete commands, the controller produces stepper motor drive signals at a predetermined rate in predetermined drive sequences for driving one motor and for concurrently driving one of a plurality of motors. Closed loop positioning of the stepper motors using digital position feedback is achieved, as is simultaneous manual control of the stepper motors utilizing a slew stick.

REFERENCES:
patent: 4401931 (1983-08-01), Kulterman et al.
patent: 4422040 (1983-12-01), Raider et al.
patent: 4518900 (1985-05-01), Nawata

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