PUGH CHART

5.1 Justification for Score Given

Task 1: Assign weights to the objectives

Objectives	Weights
Semi Automatic	6
Portability	6
Moderate difficulty	5
Less maintenance	4
Storage	8
User friendly	4
Puzzle attached to the box	8

Task 2: Pugh chart

Design Objectives	Weights	Design 1	Design 2	Design 3	Design 4	Design 5
Semi Automatic	6	-	0	+	+	Datum
Portability	6	+	+	-	-	Datum
Moderate difficulty	5	-	--	+	++	Datum
Less maintenance	4	++	++	0	0	Datum
Storage	8	0	0	0	0	Datum
User friendly	4	0	0	0	+	Datum
Puzzle attached to the box	8	+	+	0	0	Datum
Score(+)		22	22	11	20	0
Score(-)		11	10	6	6	0
Total		11	12	5	14	0

Task 3: Justification for the scores given

Design No.	Objective	Score Allocated	Justification
1	Semi Automatic	-6	Arduino, motors and sensors are used
	Portability	6	Portable due to light weight of puzzle compared to datum
	Moderate difficulty	-5	Puzzle is of moderate level
	Less maintenance	8	No significant maintenance required
	Storage	0	Good storage capacity as datum
	User friendly	0	Easy to use puzzle box
	Puzzle attached to the box	8	Puzzle and box are integrated
2	Semi Automatic	0	Bluetooth model controller used
	Portability	6	Lightweight puzzle makes it portable
	Moderate difficulty	-10	It is a difficulty level puzzle
	Less maintenance	8	maintenance is bit difficult
	Storage	0	easy to store the key
	User friendly	0	puzzle and control are easy to figure out
	Puzzle attached to the box	8	A sensor is attached to the puzzle on the box
3	Semi Automatic	6	Moblie or app controller used
	Portability	-6	Puzzle and box are not attached
	Moderate difficulty	5	Puzzle is type of fun game
	Less maintenance	0	Since size and puzzle are bit of same type
	Storage	0	Since size is same
	User friendly	0	Type of puzzle being same
	Puzzle attached to the box	0	Puzzle is not attached to the box
4	Semi Automatic	6	Mobile or app controller used
	Portability	-6	puzzle game attached to box make less portability
	Moderate difficulty	10	puzzle game easier to play and to controller
	Less maintenance	0	requires more maintenance
	Storage	0	compartment for store key is difficult
	User friendly	4	easy to solve puzzle and control
	Puzzle attached to the box	0	puzzle attached to box is balanced
5	Semi Automatic	Datum	Datum
	Portability	Datum	Datum
	Moderate difficulty	Datum	Datum
	Less maintenance	Datum	Datum
	Storage	Datum	Datum
	User friendly	Datum	Datum
	Puzzle attached to the box	Datum	Datum

5.2 Selected Design

Design 4: PINBALL PUZZLE BOX

5.3 Product Architecture

5.4 Function Clustering

5.5 Interaction Between Subsystems

Subsystem List

Sl.no.	Subsystem
1.	Locking and unlocking unit.
2.	Puzzle solving unit.
3.	Organizing unit.

Interaction Details

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

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

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