Profile warning generator with anticipation of warning condition

Details Profile warning generator with anticipation of warning condition Profile warning generator with anticipation of warning condition

1976-06-28

1978-01-31

Morrison, Malcolm A.

Boots, shoes, and leggings

244180, 340 27AT, 340213R, G06F 1550, G08G 500

Patent

active

040718948

ABSTRACT:
A system for developing a warning condition output signal when a monitored input variable exceeds a warn profile defined value defined as a predetermined function of an input reference variable, in which the warning condition output signal is delayed by a time .tau. from the time that a warning condition is sensed. The profile offset thus induced is compensated for by generating an anticipated future value of the reference variable after a time .tau. from the instant value and rate of change thereof, with the anticipated future value being utilized to generate the warn profile. Lag introduced by filtering which might be employed in generating the anticipated value, as well as any lag time existing between a reference variable failure and a failure condition signal which may be used to inhibit development of a warning condition signal, are then permissible, and are compensated for without profile offset by choosing a delay time .tau. at least as great as the cumulation of these delays, and conditioning generation of a delayed warning condition signal on a warning signal condition being continuously maintained for a time at least as great as the imposed delay time .tau..

REFERENCES:
patent: 3639844 (1972-02-01), Karklys
patent: 3671875 (1972-06-01), Pento
patent: 3715718 (1973-02-01), Astengo
patent: 3812333 (1974-05-01), Mineck et al.
patent: 3934222 (1976-01-01), Bateman et al.
patent: 3936796 (1976-02-01), Bateman
patent: 3946358 (1975-03-01), Bateman
patent: 3947808 (1976-03-01), Bateman
patent: 3947810 (1976-03-01), Bateman et al.
patent: 3958218 (1976-05-01), Bateman
patent: 3958219 (1976-05-01), Bateman et al.

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