Stopped flow detection using statistical methods

Details Stopped flow detection using statistical methods Stopped flow detection using statistical methods

1994-06-14

1997-09-30

Swarthout, Brent A.

Communications: electrical

Condition responsive indicating system

Specific condition

340618, 340621, 7366118, 73 6144, 324637, 324639, G08B 2100

Patent

active

056730268

ABSTRACT:
A method for determining a stopped flow condition in a fluid fraction measuring apparatus includes the steps of establishing a minimum threshold level of statistical variation in the measured parameter repetitively (continuously) monitored by the measuring apparatus, and giving an indication when the standard deviation, statistical average, or the kurtosis of the measured parameter or characteristic drops to the threshold level.

REFERENCES:
patent: 2698929 (1955-01-01), Greacen, 3rd et al.
patent: 3366942 (1968-01-01), Deane
patent: 5299594 (1994-04-01), Lord et al.
patent: 5351036 (1994-09-01), Brown et al.
Statistics for Experimentalists, Cooper, Atlas Computer Laboratory Chilton, Didcot, Bershire.

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