Adaptive filtering

Details Adaptive filtering Adaptive filtering

1972-12-29

1976-06-01

Rubinson, Gene Z.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318624, 318629, G05B 1300

Patent

active

039612341

ABSTRACT:
An adaptive filter circuit using a time modulated dead band for suppressing the effects of spurious noise associated with an error signal used in controlling a position drive motor associated with process controlling elements. The circuit includes means for restricting all signals, including both control signals and spurious noise, to a positioning motor during those periods of operation when little positioning is required. However, in those instances where a relatively large amount of repositioning is required, the system provides means for switching to a nonrestrictive mode of filtering which thereby permits maximum control over motor operation.

REFERENCES:
patent: 2995694 (1961-08-01), Sorkin et al.
patent: 3083321 (1963-03-01), Howe
patent: 3351829 (1967-11-01), Qvarnstrom
patent: 3382422 (1968-05-01), Meier
patent: 3430053 (1969-02-01), Westhaver
patent: 3633088 (1972-01-01), Kupersmith
patent: 3639825 (1972-02-01), MacMullen

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