Teaching Notes



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Solutions (continued)


a.

Station

Time left

Eligible

Will fit

Assign (time)

Idle




1

14

9

6



A, d, f

A, d, g


D, g, b

A, d, f

A, d, g


G, b

F (5)

A (3)


G (6)

0





2

14

7

5



1

D, b

B, e


E, c

C


D, b

B, e


E, c

--


D (7)

B (2)


E (4)

1





3

14

10

1



C

H

I



C

H

--



C (4)

H (9)


1





4

14

9


I

I


I (5)


9



















11







b.

Station

Time left

Eligible

Will fit

Assign (time)

Idle




1

14

9

2



A, d, f

A, d, g


a, g

A, d, f

A, d, g



F (5)

D (7)


2





2

14

8

5



3

A, g

A, e


E, b

E, c


A, g

A, e


E, b

--


G (6)

A (3)


B (2)

--

3





3

14

10

6



E, c

C

H



E, c

C

--



E (4)

C (4)


6





4

14

5


H

I


H

I


4 (9)

I (5)



0



















11







4.

a.1.

Solutions (continued)




2. Mininum Ct = 1.3 minutes



















Task

Following tasks







a

4







b

3







c

3







d

2







e

3







f

2







g

1







h

0






Station




Time
remaining




Eligible




Will fit




Assign




Time




Idle time







I




1.3




a, c, e




a, c, e




a




.2



















1.1




b, c, e




b, c, e




b




.4



















.7




c, e




c, e




c




.3



















.4




e, d




e




e




1




0.3







II




.3




d, f




d, f




d




1.3




0.0







III




1.3




f




f










.8



















.5




g




g




g




.3




0.2







IV




1.3




h




h




h




1.2




0.1











































0.6










3.

Idle percent:

(idle time)

=

.6

= 11.54 percent

N x CT

4(1.3)




4.

Output:

OT

=

420 min./day

= 323.1 units/day




CT

1.3 min./cycle



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