System with motor control using multiple timing signal generator

Details System with motor control using multiple timing signal generator System with motor control using multiple timing signal generator

1998-10-28

2000-01-11

Nappi, Robert E.

Electricity: motive power systems

Open-loop stepping motor control systems

318254, 318562, H02P 800

Patent

active

060140003

ABSTRACT:
A system with motor control uses multiple timing signal generators to control a stepper motor. Control is based on a first timing signal generator when changing the motor's angular velocity. Control is based on a second timing signal generator when the motor's angular velocity is to be maintained about a desired angular velocity. The system monitors the timing between the timing signal generators to reduce the possibility of motor stall, for example, when control passes from the first timing signal generator to the second.

REFERENCES:
patent: 3644812 (1972-02-01), Bitto et al.
patent: 4055786 (1977-10-01), DiMarzio
patent: 4369402 (1983-01-01), Gabor et al.
patent: 4469995 (1984-09-01), Chiang et al.
patent: 4518900 (1985-05-01), Nawata
patent: 4859923 (1989-08-01), Malka et al.

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