Pugh Chart

Design Ojectives	Weights	Design 1	Design 2	Design 3	Design 4
Safety	8	datum	+	+	+
Attractive	6	datum	+	++	-
Portability	7	datum	-	+	-
Ease of Use	7	datum	+	+	-
Cost	7	datum	+	0	+
Score (+)	35	0	28	34	15
score (-)	0	0	-7	0	-20
TOTAL	35	0	21	34	-5

Selection of means for each concepts

Sub function	Concept 1	Concept 2	Concept 3	Concept 4
Seed supply	Sprinklers	Manually	rotating container
Plant storage	Plastic cups	Pipes	cups	Tray
Source of light	LED	Grow lights	CFl	Arc lamps

5.1 Justification for scores given

Design no.	Objectives	Scores allocated	Justification for scores
1.	Safety	Datum	taken as datum
	Attractive	Datum	taken as datum
	portable	Datum	taken s datum
	Ease of use	Datum	taken as datum
2.	Safety	8	As it includes drip irrigation and container to store water
	Attractive	6	for using of lights,it is little attractive
	Portable	-7	not easily portable
	Ease of use	7	Yes, we are using electronic devices and as it is automatic
	cost	7	using many parts which are cost effective
3.	safety	8	As it automatic it is safety to use
	Attractive	12	usage of lights,rotating disk,looks much attractive
	Portable	7	It is very east to port from one place to another
	Ease of use	7	Electronics devices are used,and as it is automatic
	Cost	0	Not much expensive
4.	Safety	8	As it is automatic it is safety to use
	Portable	-7	not portable
	Ease of use	-7	it is not much automatic and complicated in using
	cost	7	not much expensive

5.2 Selected Design

5.3 Function Clustering