, , , , . .
. , .
. , , .
.
. , . - . .
- , (Economic Ordering Quantity model EOQ).
S-
F-
C-
EOQ ,
( ) ( ) . EOQ , .
, TCC (Total Carrying Cost), :
TCC = C Q / 2.
, TOC (Total Ordering Cost):
TOC = F N = F S / Q.
, TIC (Total Inventory Cost):
TIC = TCC + TOC = C Q / 2 + F S / Q,,
, :
;
;
;
;
;
;
( , );
|
|
, N = S / Q;
.
.
RP (Reorder Point) , .
, .
, , , , :
RP = RQ + DQ T,
DQ ;
( ).
- .
ABC - , .
, (70-80%) (10-20%) . , .
- , ,
. .
, , . , , EOQ. - ,
, .
» - , . .
ѻ - , . , .
, , :
= ../ ,
- , ;
- ;
.. - ;
- .
:
.. = ( 1) / 2,
- .