PUGH CHART
DESIGN OBJECTIVES |
WEIGHTS |
DESIGN 1 |
DESIGN 2 |
DESIGN 3 |
DESIGN 4 |
SAFETY |
10 |
Datum |
++ |
++ |
+ |
EASE OF USE |
8 |
Datum |
+ |
+ |
++ |
PORTABILITY |
9 |
Datum |
0 |
0 |
0 |
USE OF STANDARD PARTS |
7 |
Datum |
+ |
- |
+ |
COST |
9 |
Datum |
- |
- |
– |
score(+) |
—- |
0 |
35 |
28 |
40 |
score(-) |
—- |
0 |
9 |
16 |
18 |
total |
43 |
0 |
24 |
12 |
22 |
5.1 JUSTIFICATION FOR GIVEN SCORES
DESIGN NO. |
OBJECTIVE |
JUSTIFICATION FOR THE ALLOTED SCORE |
score alloted |
1(datum) |
SAFETY |
it is not safe |
0 |
- |
EASE OF USE |
maintainence is complex |
0 |
- |
PORTABILITY |
can be portable but re installation is a difficult task |
0 |
- |
USE OF STANDARD PARTS |
it uses standard parts |
0 |
- |
COST |
yes it is on budget |
0 |
2 |
SAFETY |
it is safer than ds1 as it is horizontally assembled |
+20 |
- |
EASE OF USE |
it is easy to use as it is automatic |
+8 |
- |
PORTABILITY |
it is not portable |
-9 |
- |
USE OF STANDARD PARTS |
it uses all standard parts |
+7 |
- |
COST |
it is more or less equals to ds1 |
-9 |
3 |
SAFETY |
as it is a rack system no disturbance in the system |
+20 |
- |
EASE OF USE |
as it is fixed system its easy to use |
+8 |
- |
PORTABILITY |
its a fixed system so no portability |
-9 |
- |
USE OF STANDARD PARTS |
less usage pf standard usage |
-7 |
- |
COST |
it is cost effective |
-9 |
4 |
SAFETY |
it is safer than ds1 |
+10 |
- |
EASE OF USE |
easier to use as it is automatic |
+18 |
- |
PORTABILITY |
it is portable |
+7 |
- |
USE OF STANDARD PARTS |
it uses all standard parts |
+7 |
- |
COST |
can be little over budget |
-18 |
5.2 Selected Concept

5.3 Product Architecture
5.4 Functional Clustering
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5.5 Interaction between subsystem
Dispensing unit |
moving unit |
indication unit |
material interaction |
yes |
no |
data interaction |
no |
yes |
spatial interaction |
yes |
- |
moving unit |
dispensing |
indication |
material |
yes |
no |
data |
no |
yes |
spatial |
yes |
- |
indication |
dispensing |
moving unit |
material |
yes |
no |
Data |
yes |
no |
spatial |
- |
- |