Operation Management

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Category: Business and Industry

Date Submitted: 04/16/2015 01:32 PM

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Response

 Time

 

Introduc1on

 

Example

 

Physician

 office

 

-­‐ 

 Pa1ents

 arrive,

 on

 average,

 every

 five

 minutes

 è

 12

 pa1ent

 /

 hour

  -­‐

 It

 takes

 ten

 minutes

 to

 serve

 a

 pa1ent

 à

 capacity

 6

 pa1ent

 /

 hour

  -­‐

 Pa1ents

 are

 willing

 to

 wait

 

  ⇒ 

 What

 is

 the

 implied

 u1liza1on

 of

 the

 physician

 clinc?

  ⇒ U

 =

 Flow

 Rate

 /

 Capacity

 =

 12

 /

 6

 =

 200%

  ⇒ 

 How

 long

 will

 pa1ents

 have

 to

 wait?

 

Example

 

  Physician

 office

-­‐ 

 Pa1ents

 arrive,

 on

 average,

 every

 five

 minutes

  -­‐

 It

 takes

 four

 minutes

 to

 serve

 a

 pa1entà

 higher

 capacity

 15

 pa1ent

 /

 hour

  -­‐

 Pa1ents

 are

 willing

 to

 wait

 

  ⇒ 

 What

 is

 the

 u1liza1on

 of

 the

 physician

 clinic?

  ⇒ U

 =

 Flow

 Rate

 /

 Capacity

 =

 Min

 (Demand,

 Capacity)

 /

 Capacity

 =

 12

 /15

 =

 0.8

  ⇒ 

 How

 long

 will

 pa1ents

 have

 to

 wait?

  ⇒ Do

 you

 think

 they

 will

 wait

 at

 all?

 

A

 Somewhat

 Odd

 Service

 Process

 

Dr.

 Totyota

Pa1ent Arrival

  Time Service

  Time

1 2 3 4 5 6 7 8 9 10 11 12

0 5 10 15 20 25 30 35 40 45 50 55

4 4 4 4 4 4 4 4 4 4 4 4

7:00

  7:10

  7:20

  7:30

  7:40

  7:50

  8:00

 

A

 More

 Realis1c

 Service

 Process

 

Pa#ent

 1

  Pa1ent Arrival

  Time Service

  Time Pa#ent

 3

  Pa#ent

 5

  Pa#ent

 7

  Pa#ent

 8

  Pa#ent

 9

  Pa#ent

 10

  Pa#ent

 11

  Pa#ent

 12

  Pa#ent

 2

  Pa#ent

 4

  Pa#ent

 6

 

1 2 3 4 5 6 7...