Digital signal processor for servo velocity control

Details Digital signal processor for servo velocity control Digital signal processor for servo velocity control

1973-03-09

1977-07-05

Scott, James R.

Electricity: motive power systems

Positional servo systems

Frequency- or phase-modulated systems

G05B 102

Patent

active

040342760

ABSTRACT:
A digital signal processor is provided for processing analog signals with digital circuits. In a preferred embodiment, a servo feedback signal is processed with a digital arrangement to derive servo velocity information. Processing is performed by synchronizing a counter with a servo feedback signal and comparing the period of the feedback signal with a reference signal from the counter as being indicative of servo velocity.

REFERENCES:
patent: 3386021 (1968-05-01), Fischer
patent: 3462663 (1969-08-01), Schiller
patent: 3478178 (1969-11-01), Grace
patent: 3514679 (1970-05-01), Larsen
patent: 3519904 (1970-07-01), Rogers
patent: 3539897 (1970-11-01), Sommeria
patent: 3546553 (1970-12-01), Loyd
patent: 3564368 (1971-02-01), Kelling
patent: 3588659 (1971-06-01), Rogers

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