PUGH CHART

Design objectives	Weights	Design 1	Design 2	Design 3	Design 4
Framework	9	++	+	++	Datum
Ease of use	7	+	-	++	Datum
Probability	5	--	--	+	Datum
Weight	6	+	+	++	Datum
Cost	6	++	+	-	Datum
Score(+)		43	21	49	0
Score(-)		10	17	6	0
Total		33	4	43	0

5.1 Justifications for the score given

Design No.	Objective	Score Allocated	Justification for the score
1	Framework	9(++)	Due to wooden frame work it is safe
	Ease of use	7(+)	All the major appliance are on the same side of frame
	Probability	5(-)	Due to wooden framework hard to carry around
	Weight	6(+)	Wooden frame work
	Cost	6(++)	It is expensive to because of wooden as well as steel usage
2	Framework	9(+)	Doesnt seem safe due to tangled wire
	Ease of use	7(-)	Tangeld wire and cardboard make it hard to use
	Probability	5(--)	Making is done by cardboard so cannot be carried
	Weight	6(+)	Cardboard and plastic
	Cost	6(+)	Its little cheap comparaitevly due to use cardboard and plastic
3	Framework	9(++)	Safe due to organised wire and and organised framework
	Ease of use	7(++)	Controlled via bluetooth and wifi
	Probability	5(+)	Easy to carry due to solid due to acrylic sheet
	Weight	6(++)	Acrylic sheet and foam board
	Cost	6(-)	Acrylic sheet and foamboard is cheap compare to wooden and steel body
4	Framework	0	Datum
	Ease of use	0	Datum
	Probability	0	Datum
	Weight	0	Datum
	Cost	0	Datum

5.2 SELECTED DESIGN

![Final Design]

5.3 PRODUCT ARCHITECTURE

5.4 FUNCTION CLUSTERING

5.5 SUBSYSTEM LIST

Sl no	Subsystem
1.	Waveform unit
2.	Display unit
3.	Process completion
4.	Power indicator
5.	Movement of Pen

5.6 INTERACTION DETAILS

5.6.1

Waveform unit	Display Unit	Process completion	Power indicator	Movement of Pen
Spatial
Data
Material

5.6.2

Display unit	Waveform unit	Process completion	Power indicator	Movement of Pen
Spatial
Data
Material

5.6.3

Process completion	Display unit	Waveform unit	Power indicator	Movement of Pen
Spatial
Data
Material

5.6.4

Power indication	Display unit	Waveform unit	Process completion	Movement of Pen
Spatial
Data
Material

5.6.5

Movement of pen	Display unit	Waveform unit	Process completion	Power indicator
Spatial
Data
Material