Material flow control device

Details Material flow control device Material flow control device

1992-08-07

1994-07-12

Ruggiero, Joseph

Boots, shoes, and leggings

364478, G06F 1546

Patent

active

053294564

ABSTRACT:
A material flow control device for controlling flows of a plurality of work species within a production system measures the two-stage engagement amounts and the output amounts of respective work species in respective controlled units, and calculates the evaluation values for respective work species in the respective controlled units as a function of: the difference (or the ratio) of the measured engagement amount and a reference engagement amount; and the difference (or the ratio) of the measured output amount and the reference output amount. The order of dispensation from the upstream controlled units are determined in accordance with the priority determined by the evaluation values for the respective work species.

REFERENCES:
patent: 4852001 (1989-07-01), Tsushima et al.
patent: 4896269 (1990-01-01), Tong
patent: 5214588 (1993-05-01), Kaneko et al.
T. Mitamura et al., "Material Handling System for Clean Environment", Japan-U.S.A. Symposium on Flexible Automation, 1986, pp. 511-515.
R. Uehara et al., "FA System in Semiconductor Factory", Technical Journal of Mitsubishi Denki Corporation, vol. 61, No. 4, (1987), pp. 41-44.

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