Arrangement for guiding the rotary speed of one or more follower

Details Arrangement for guiding the rotary speed of one or more follower Arrangement for guiding the rotary speed of one or more follower

1978-08-31

1981-03-31

Weldon, Ulysses

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Synchronizing or phasing control

318 67, 318 49, 318113, H02P 546

Patent

active

042596211

ABSTRACT:
A speed regulator for a guide and follower motor assembly. A guide pulse frequency generator driven by a guide motor drives a frequency converter which drives a follower motor. The frequency converter includes a frequency regulator with a negative feed back which includes a frequency divider. Adjusting and setting circuits for the frequency divider include an up/down counter for operating the frequency divider, a resetting operation of the counter to provide a frequency indicating value for its output, an adjustable pulse generator for driving the counter, an add/subtract circuit, and a comparator responsive to the add/subtract circuit and the counter to control the pulse generator.

REFERENCES:
patent: 3064173 (1962-11-01), Breen et al.
patent: 3351831 (1967-11-01), Hemphill et al.
patent: 3600655 (1971-08-01), Karlin et al.
patent: 4079297 (1978-03-01), Norrell

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