ҵԴƻ
Ʊ ҵ · ´ Ʊ Ʊ ά 깤 Ʊ 깤 Ʊ ͼ28.3 Ʊͼ
Ʊ ϸ
BOM Ʊ ռ BOM Ϸ Ʊ Ϸ Ʊ ̵ ͷ ռ Ʊ ͷ Ʊ ϸ Ʊ ռ ͼ28.4 Ϲͼ Ʊ ϸ ͼ 깤 깤 Ʒ Ʊ ɱ Ƽ ɱ 깤ά
25 ҳ
ҵԴƻ
ͼ28.5 깤ͼ
MRP n n 1 1 m 1 2 n n 1 ҵƻ 1 깤 n n Ͽ 3 n m n m
ϵ 1 ϸ 1 n ռ Ϣ Ʊ 1 ͼ n 鵥 ռ ɱ ͼ28.6 ҵERϵͼ
26 ҳ
ҵԴƻ
ϵͳά
Ʊ Ϲ 깤 ϵͳά Ʊ 깤 ȼ ȼ Ʊ Ȩ Ʊ´ Ʊά 깤 Ʊ깤 Ȩ 깤ͼ 깤ά 깤 깤 Ƽ ϵ ͳ Ϲ Ϸ ͷ ƱϷ Ʊͷ Ʊ ̵ ģ ȷ ί´ ´ ҵƻ ִ ´
ͼ28.7 ϵͳģͼ
27 ҳ
ҵԴƻ
JIT JITϵͳά ƻ ֿ JIT JITƻ JIT ͼ JIT Ȩ JIT ͼ29.1 JITͼ
װ ƻ MPR MRP JITװƻ JITƻ JITƽ JIT ϵ ͳ Ʒ ͼ29.2 JITƻͼڶͼ
28 ҳ