The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 3
Due on 20 Nov (THU), 5pm (Please drop your HW in the collection box outside Room 5558)
1. (50 points) You are given the following information on the departments. The available
space is 300 ft x 240 ft.
Department
name
A: Receiving
B: M
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
A
A
B
C
D
E
F
G
H
I
J
K
L
B
0
C
125
0
D
70
80
0
E
30
45
20
0
F
10
20
65
80
0
G
5
5
75
20
70
0
H
10
5
100
40
90
80
0
I
25
10
30
0
70
80
130
0
40
60
110
80
65
0
70
140
0
J
K
10
25
10
0
60
20
75
50
80
0
L
15
50
10
0
0
0
10
10
100
130
0
55
50
60
70
10
0
65
0
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 1
Student Name:
Student ID:
A rural county administration wants to locate several medical emergency response units so that it can respond to
calls within the county within 8 minutes of the call. The county is divided into 5
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 4
Due: 11:30am, 23 Nov. 2015 (Wed), please drop to the collection box
Problem 1
Block stacking is used for the storage of 60 unit loads of a paper product. The dimensions of the
unit load are 48 42 (W=42, L=48). A clearance of 6 is provi
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 2
Student Name:
Student ID:
For the machinepart matrix shown below, form cells using the direct clustering algorithm, and if
conflicts exist, propose alternative approaches for resolving the conflicts.
Part #
1
2
3
4
5
1
1
1
0
0
1
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 2
Student Name:
Student ID:
For the machinepart matrix shown below, form cells using the direct clustering algorithm, and if
conflicts exist, propose alternative approaches for resolving the conflicts.
Part #
1
2
3
4
5
1
1
1
0
0
1
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
HT
P
U
HT
P
HT
P
W
MA
C
HT
P
W
MA
C
W
U
MA
U
I
E
W
0
C
A
I
E
O
MA
0
C
0
6
8
10
6
8
4
The initial layout design
No.
Dept NameWidth
Length
Dept Area L/W Ratio Band Posit X
1 HT
109.54
164.32
18000
1.5
1
2P
54.77
109.54
6000
2
2
3W
109.54
54.77
6000
0.5
1
4
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Microsoft Excel 15.0 Answer Report
Worksheet: [Lab4.xlsx]Sheet1
Report Created: 10/7/2016 11:08:22 AM
Result: Solver found a solution. All Constraints and optimality conditions are satisfied.
Solver Engine
Solver Options
Objective Cell (Min)
Cell
$B$35
Va
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 3
Due: 11:30am, 9 Nov. 2015 (Wed), please drop to the collection box
Problem 1
Suppose the following layout is provided as the initial layout to CRAFT. The flowbetween
matrix and the distance matrix are given as follows. (All the cij va
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 3
Solution
Problem 1
Suppose the following layout is provided as the initial layout to CRAFT. The flowbetween
matrix and the distance matrix are given as follows. (All the cij values are equal to 1.0)
(1) Given the above data and initia
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 4
Due: 11:30am, 23 Nov. 2015 (Wed), please drop to the collection box
Problem 1
Block stacking is used for the storage of 60 unit loads of a paper product. The dimensions of the
unit load are 48 42 (W=42, L=48). A clearance of 6 is provi
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 3
Student Name:
Student ID:
When CRAFT evaluates the exchange of departments, instead of actually exchanging the departments, it only
exchanges the centroids of departments. Given the following fromto chart and scaled layout (each
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 3
Student Name:
Student ID:
When CRAFT evaluates the exchange of departments, instead of actually exchanging the departments, it only
exchanges the centroids of departments. Given the following fromto chart and scaled layout (each
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Microsoft Excel 15.0 Answer Report
Worksheet: [Book1]Sheet1
Report Created: 9/9/2016 11:13:37 AM
Result: Solver found a solution. All Constraints and optimality conditions are satisfied.
Solver Engine
Solver Options
Objective Cell (Min)
Cell
Name
$E$7 Obj
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 1
Due: 11:30am, 28 Sep. 2016
Problem 1
A company is considering where to locate its cafeteria to service six buildings. The locations of the
buildings and the fraction of the companys employees working at these locations are:
Building
ai
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200
Fall 2016
Quiz 1
A rural county administration wants to locate several medical emergency response units so that it
can respond to calls within the county within 8 minutes of the call. The county is divided into 5
population zones. The response ti
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 2
Due: 11:30am, 12 Oct. 2016 (Wed)
Problem 1
For the machinepart matrix shown below, form cells using the direct clustering algorithm, and if
conflicts exist, propose alternative approaches for resolving the conflicts.
Part #
1
2
3
4
5
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Facilities Planning in Different Sectors
Single Facility, Rectilinear Minisum (2/2)
m. . d (X, P,) is recnlmear distance:
m. WW Minimize f(x.y)=2ltxa.l+Iyb.l)
MW WM! Procedure "
prhlienatlittg
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 2
Due on 4 November 2011 (Submit to Yan @ Room 3208A by 5pm on the day)
1.
A certain part needs 4 operations to produce: cutting, deburing, welding and inspection.
The scrape rates for the first three operations are zero, but only 95% of
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM 4200 Homework 1
Due on 25 Sept (THU), 5pm (Please drop your HW in the collection box outside Room 5558)
1. (10 points) The Comfort Hotel is an upscale independent hotel that caters to both business and leisure
travelers. On average, 4/5 of the guests
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Solutions of homework 1
1. a) numbers of guests check in every day: Nl=135*2/3=90, Nb=135*1/3=45
then we can calculate the number of leisure and business guests on any given day
Nl=90*1.8=162, Nb=45*3.6=162
Thus, on any given day, there are 162 leisure gu
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 2
Due on 23 Oct (THU), 5pm (Please drop your HW in the collection box outside Room 5558)
1. (15 points) A certain part needs 3 operations to produce: cutting, milling, and
inspection. The scrape rate for cutting is 2%, the scrap rate for
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM4200 Homework 3
Due on 2 December 2011
(Submit to Yan @ Room 3208A by 5pm on the day. All late submission will not be accepted, since
homework solution will be posted right after the deadline, so that you can prepare for the examination.)
1. You are g
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
IELM 4200 Homework 1 (Solution)
1.
a: numbers of guests check in every day: Nl=200*4/5=160, Nb=200*1/5=40, then
we can calculate the number of leisure and business guests on any given day
Nl=160*4=640, Nb=40*3=120. Thus, on any given day, there are 640 le
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Solutions to homework 2
1.
Let x1, x2, x3, x4 is the number of machines used for cutting, deburing, welding
and inspection, respectively.
Therefore, we have x1=2, x2=1, x3=5, x4=3.
2. Xi is the number of employees beginning work on day i,
By using Excel S
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
1. (a) lets assume the height of rectangular is 300ft and the width is 240ft. Set the point of
the left corners the origin point, the horizontal direction as X direction and the vertical
direction as Y direction. After the calculation according to the ide
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
1. (15) Let x1, x2, x3 be the number of machines used for cutting, milling and
inspection, respectively. Since the scraped rate for cutting is 2%, milling 1% and
only 95% of the products that are not scraped can pass the inspection operation, 1000
(=922/(
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Solutions to homework 3
1. (a) lets assume the height is 300ft and the width is 240ft. Set the point at the left top corner
as the origin point, the horizontal direction as X direction and the vertical direction as Y
direction. After the calculation accor
The Hong Kong University of Science and Technology
Design of Logistics and Manufacturing Systems
IELM 4200

Fall 2015
Goal: Minimize total cost = waiting cost + capacity cost
Why plan facilities?
Importance of Facilities Planning
Examples of facility systems
Structural systems, enclosure systems,
atmospheric systems, electrical and lighting
systems, communication system,