diseño de sistemas logisticos

8/19/2019 diseño de sistemas logisticos

1/53

I

L

I

L

M L

A

M L

A

ML

T

ML

T

ML

P I

ML

P I

ML

D

ML

D

DISEÑO DE SISTEMAS

LÓGISTICOS


2/53

UNIDAD 2


3/53

AGENDA

U 2

P 1P

P

P 2P

P

P 3O

O

.


4/53


5/53

.


6/53

.

L .

E .


7/53

E .L .

C , .

.


8/53

E , , , , .

L , .

1.1

.


9/53

T .L , , .

L , .

L . E ,

. S ,

1.1.1

.


10/53

L . E . C "

, . E , .

C , , .

E , ,

.

1.1.2

.


11/53

1.1.2

.


12/53

.

1.1.2


13/53

.

C , , . P ,

, . P , .C ,

.

E .

1.1.3


14/53

.

S . : , .C ,

( , ) .

1.2


15/53

.

L , , . L I , .

L . S , ,

. S .

1.2.1


16/53

.

C , . L

, . L . L . E

.

1.2.2


17/53

.

L . P , ,

. P "" .L : , ; ,

,

U .

C , ,

1.2.3


18/53

.

L . A , ,

, .

E ""

. L

1.3


19/53

.

T , .E , I . S ,

.

T

. D , :

P N = α ( ) + (1 α) ( )

α , , O 1.

1.3.1


20/53

.

E:S 1000 . L 950 . E : 0.3

P = ???????

1.3.1


21/53

.

E:L :

Q . A α = 0.2 . P , F0 = (1200 + 700 + 900 + 1100)/4 = 975.

C .

1.3.1


22/53

.

L , "" . C ,

.

V "" .

L 0.01 0.3.

1.3.1


23/53

.

E . S , ,

.L :

+ = α + (1 α)(S + )

+ β (+ ) + ( β ) + + + +

+ = + 1

= = β =

1.3.2


24/53

.

E:S . U = 975 ( ) = 0( ). L

β 0.3 α 0.2.:

1.3.2


25/53

.

A , . A , :. D

, .2. L , "".

S

. S , , ,

1.3.3


26/53

.

E , . L :

A ,

+ = α ( +) + (1 α)(S + ) + β (+ ) + ( β )

γ ( ) + (1 γ ) + + (+ + + ) ++

+ = + 1γ = =

1.3.3


27/53

.

E , .E . S

, .E :

E = D D

D , .

1.3.4


28/53

.

D , ; , α " . L :

SF = A= = =

L . E 83 J

1.3.4


29/53

.

A

1.3.4


30/53

.

1.3.4

E:R " :

:


31/53

2.


32/53

2.

E . E ,

/ . E . E

:1. ?2. ?L :


33/53

2.

1. E . E, , .

2. E ( ).

3. E () . I , .

4. E () . I , .


34/53

2.

L ( , ). E

.U ( , ). A,

, . U . L

. E .

2


35/53

2.

E , . D , , , . P ,

. A , , , ,

2


36/53

2.

E , :

1. D () .

2. D () .

3. P .

4. P .

E .

2


37/53

2.

U ( ,).E

:1

2


38/53

2.

1. S ( ) (,20%),

2. S V , .

3. S 1 (.20%) , .

4. E ,

.

2


39/53

2.

E:L ( ) 10 (19901999). E .

D , . E .

. . . . . . . . . . . .

1990 100 110 90 70 65 50 40 42 56 68 88 95

1991 110 125 98 80 60 53 44 45 63 77 92 99

1992 90 100 88 79 56 57 38 39 60 70 82 90

1993 121 130 95 90 70 58 41 44 70 80 95 100

1994 109 119 99 75 68 55 43 41 65 79 88 94

1995 130 122 100 85 73 58 42 43 64 75 80 101

1996 115 100 103 90 76 55 45 40 67 78 98 97

1997 130 115 100 95 80 60 49 48 64 85 96 105

1998 125 100 94 86 79 59 46 39 69 90 100 110

1999 87 80 78 75 69 48 39 41 50 70 88 93

M 111.7 110 95 82.5 69.6 55.3 42.7 42.2 62.8 77.2 90.7 98

D. E. 15.54 15.2 7.5 7.99 7.82 3.95 3.4 2.86 6.09 6.91 6.67 6

V(%) 13.91 13.8 7.9 9.68 11.24 7.13 7.96 6.78 9.69 8.95 7.35 6.1

3

2


40/53

2.

E

) G A :P A

P MP % V

) D D

2


41/53

2.

E

C:1. E ( )

.2. E (, 15%) .L () .

2.


42/53

2.

E .

C ( )

=T ( ) 0 = D ( )

C , . L , . E

2.1 .

2.


43/53

2.

E . = C = C ($ )D , (TCU, ) :

2.1 .

2.


44/53

2.

TCU( ).S , EOQ :

P , :

2.1 .

2.


45/53

E , . E , ( ) , . E ( ) .

C ( 0), :

D

P :

2.1 .

2.


46/53

E:L U A 100 . L .I $100. S

$.02 . E 12 .

.

C , : 100 $100 $.02

= 12

2.1 .

2.


47/53

E:) D ) D ( )) D (P )

) D ) C :

( ) ( ) ( )

2.1 .

2.


48/53

A EOQ .E .

( ). L . P , , .

2.2

2.


49/53

L , , EOQ , ; , , (EOQ), *.

2.2

2.


50/53

L :1. L σ; , (, σ).

2. C , µ

D α ≥ α≤α,

B ≥ σL Kα

2.2

2.


51/53

E:E , , 1000 (). S (100, 10); , 100

σ = 10 .D , , α = 0.05.

2.2

2.


52/53

E:P K0.05 = 1.645

) D (µL )

) D (σL)) D (B)) C

( , ( (B) + ,() )

2.2


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diseño de sistemas logisticos

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