List of objectives

Objectives	Weights
Safety	8
Ease of use	5
Portability	4
Automation	3
Cost	6

PUGH chart

Design Objectives	Weights	Design 1	Design 2	Design 3	Design 4
Safety	8	+	Datum	+	+
Ease of use	5	++	Datum	-	0
Portability	4	0	Datum	+	+
Automation	3	+	Datum	++	-
Cost	6	+	Datum	-	0
Score(+)	..	24	..	18	8
Score (-)	..	0	..	11	3
Total	..	24	..	7	5

5.1 Justification

Design No.1	Objective	Score	Allocated Justification for the Score
1	Safety	8	covered and automatic
..	Ease of Use	10	operatable easily
..	Portability	4	less weight
..		Automation	6
..	Cost	6	materials are cheaper
2	Safety	0	covered
..	Ease of Use	0	operatable easily
..	Portability	0	less weight
..	Automation	0	sensors
..	Cost	0	materials are cheaper
3	Safety	8	covered
..	Ease of Use	-5	steps are more
..	Portability	4	less weight
..	Automation	9	arm are used
..	Cost	-6	using of more materials
4	Safety	8	covered
..	Ease of Use	0	operatable easily
..	Portability	4	less weight
..	automation	6	sensors are used
..	Cost	0	materials are cheaper

5.2 Selected design

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5.3 product architecture

5.4 Function clustering

List of subsystem

SL. No.	Subsystem
1	Sensing unit
2	Dispensing unit
3	Processing unit
4	Indication unit

5.5 Interaction between subsystem

Sensing unit	Dispensing unit	Processing unit	Indication unit
Spatial	yes	no	no
Data	yes	yes	yes
Material	no	no	no

Dispensing unit	sensing unit	Processing unit	Indication unit
Spatial	yes	yes	yes
Data	yes	no	no
Material	no	yes	yes

Processing unit	sensing unit	Dispensing unit	Indication unit
Spatial	no	yes	no
Data	yes	no	yes
Material	no	yes	yes

Indication unit	sensing unit	Dispensing unit	Processing unit
Spatial	no	no	no
Data	yes	yes	yes
Material	no	no	yes