5.1 PUGH CHART

DESIGN OBJECTIVES	WEIGHTS	DESIGN 1	DESIGN 2	DESIGN 3	DESIGN 4
Safety	9	++	+	Datum	--
Ease of use	6	+	-	Datum	++
Power consumption	5	-	--	Datum	-
Maintenance	8	++	+	Datum	0
Cost	4	+	++	Datum	-
Entertainment	7	++	-	Datum	--
Score(+)	35	47	31	Datum	12
Score(-)	0	5	16	Datum	30
Total	35	42	15	Datum	-18

5.2 JUSTIFICATION FOR THE SCORE GIVEN

Design No.	Objective	Score alloted	Justification for the score given
1.	Safety	18	The toy automatically turns off when a person comes closer to it.
	Ease of use	6	Easy to use even small kids can operate it easily.
	Power consumption	-5	Consumes very less power.
	Maintanence	16	Very less maintenance is required.
	Cost	4	Making of this toy requires durable and standard materials so the cost is bit high.
	Entertainment	7	The mechanism and working of the toy is attractive thus makes u much entertained.
2.	Safety	9	The toy includes certain safety measures, turns off when a person comes closer to it.
	Ease of use	-6	Bit difficult to use for small kids.
	Power consumption	-10	Consumes very high power.
	Maintanence	8	Low maintenance
	Cost	8	Making of this toy requires durable and standard materials so the cost is higher.
	Entertainment	-7	The toy is basically designed for educational purpose.
3.	Safety	Datum	As per the preference
	Ease of use	Datum	As per the preference.
	Power consumption	Datum	As per the preference.
	Maintanence	Datum	As per the preference.
	Cost	Datum	As per the preference.
	Entertainment	Datum	As per the preference.
4.	Safety	-18	The toy does not assure any safety measures.
	Ease of use	12	Very easy to use.
	Power consumption	-5	Consumes high power.
	Maintanence	0	No extra maintenance required.
	Cost	-4	Cheap materials used so costs less.
	Entertainment	-14	Only used for educational purpose.

5.3 SELECTED DESIGN

5.4 Interaction Details

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