PUGH CHART

5.1 JUSTIFICATIONS FOR SCORE GIVEN

Design no.	Objective	Score	Justification
1	Box should be semi automatic	datum
1	Box should be able to store valuable things like jewellery	datum
1	Box should be portable	datum
1	Box should be light in weight	datum
1	Box should have a puzzle to unlock	datum
1	Box should be user friendly	datum
1	Puzzle should be attached to the box	datum
1	Puzzle box should run on continuous power supply	datum
2	Box should be semi automatic	9	it is comparatively more automatic than datum
2	Box should be able to store valuable things like jewellery	0	it has same storage as datum
2	Box should be portable	7	it is more compact and easily portable than datum
2	Box should be light in weight	5	it is less in weight than datum
2	Box should have a puzzle to unlock	9	it has a better puzzle than datum
2	Box should be user friendly	0	it is as user friendly as datum
2	Puzzle should be attached to the box	0	both datum and this has attached puzzle
2	Puzzle box should run on continuous power supply	0	both run on continuous power supply
3	Box should be semi automatic	18	it is highly semiautomatic when compared to datum
3	Box should be able to store valuable things like jewellery	6	it has better storage capacity than datum
3	Box should be portable	7	it has more portability than datum
3	Box should be light in weight	-5	it is a bit heavier than datum due to more separate compartment
3	Box should have a puzzle to unlock	18	it has a better puzzle than datum
3	Box should be user friendly	14	it is very user friendly when compared to datum
3	Puzzle should be attached to the box	0	both datum and this has attached puzzle
3	Puzzle box should run on continuous power supply	0	both run on continuous power supply
4	Box should be semi automatic	9	it is more semi automatic than datum
4	Box should be able to store valuable things like jewellery	-6	it has sell storage capacity when compared to datum
4	Box should be portable	-7	it is less portable due to separate puzzle
4	Box should be light in weight	-5	it is bit heavy due to the type of puzzle
4	Box should have a puzzle to unlock	-9	the puzzle is not as good as datum
4	Box should be user friendly	7	the box is more user friendly when compared to datum
4	Puzzle should be attached to the box	-10	the puzzle is not attached to the box
4	Puzzle box should run on continuous power supply	0	both datum and this run on continuous power supply

5.2 SELECTED DESIGN

5.3 PRODUCT ARCHITECTURE

5.4 FUNCTION CLUSTERING

5.5 INTERACTION BETWEEN SUBSYSTEMS

Subsystem list

Sl no.	Subsystem
1.	Casing
2.	Puzzle Solving Unit
3.	Opening/Closing Unit

Interaction Details

Subsystem 1	Subsystem 2	Subsystem 3
Spatial	Yes	Yes
Data	-	-
Material	Yes	Yes

.

Subsystem 2	Subsystem 1	Subsystem 3
Spatial	Yes	-
Data	-	Yes
Material	Yes	-

.

Subsystem 3	Subsystem 1	Subsystem 2
Spatial	Yes	-
Data	-	Yes
Material	Yes	-