Bill of material and project network processing

Details Bill of material and project network processing Bill of material and project network processing

1990-05-14

1993-03-23

Weinhardt, Robert A.

Boots, shoes, and leggings

364401, 364468, G06F 1524

Patent

active

051970015

ABSTRACT:
A method for processing bill of material data in which low-level codes are updated in a bottom-to-top direction, from component items to subassemblies to assemblies. Updating the low-level code on a bottom to top traversal of a hierarchical path eliminates the need to maintain copies of the original low-level codes for recovery purposes. Continuity checking is performed before the low-level codes are updated. Low-level coding is extended for use in project network processing by substituting for the low-level code, the activity early start time in the forward pass and late finish time in the backward pass, and substituting for the increment value used in low-level coding, the activity duration time.

REFERENCES:
patent: 4821197 (1989-04-01), Kenik et al.
patent: 4827423 (1989-05-01), Beasley et al.
patent: 4862376 (1989-08-01), Ferriter et al.
patent: 4924385 (1990-05-01), Dote
patent: 5109337 (1992-04-01), Ferriter et al.
"Structured Bill of Material Explode," by N. R. Dono and J. H. McMahon, IBM TDB, vol. 17, No. 11, Apr. 1975, pp. 3370-3372.
"Representing Bill of Material and Where-Used Product Structure Data," by J. P. Bishop, IBM TDB, vol. 31, No. 6, Nov. 1988, pp. 355-360.

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