1. Function Tree

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2. Function Clustering

Sub-systems Identified

1.Remote lighting unit

2.Musical system unit

3.Automatic popping unit

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3. Morphological Chart

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4.Concept Generation

1.Design 1

2.Design 2

3.Design 3

4.Design 4

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5. Concept selection

Weightage to objective

Sl.no	Objectives	Weightages
1.	Appearance	9
2.	Portability	7
3.	Ease of use	6
4.	Interactive	5
5.	Cost	3

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6. Pugh chart

Objectives	Design 1	Design 2	Design 3	Design 4
Portability	+	+	+	Datum
Interactive	-	-	+	Datum
Cost	+	++	-	Datum
Appearance	+	-	++	Datum
Ease of use	-	-	+	Datum
+ score	19	13	27	0
- score	-11	-20	-3	0
total	8	-7	24	0

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7.Justification

Design idea no	Objectives	Score given	Justification
1	Portability	+	It can be easily carried
	Interactive	-	It is not much responsive due to usage of PIR sensor
	Cost	+	It is cost-effective
	Appearance	-	It is unique in design
2	Portability	+	It is easily portable
	Interactive	-	Due to use of LDR it behaves differently in different lighting conditions
	Cost	++	It is low in cost
	Appearance	-	It has a very simple design structure
	Ease of use	+	It is very easy to use
3	Portability	+	It is portable
	Interactive	+	It is very responsive
	Cost	-	It is not cost-effective
	Appearance	++	The design is very attractive
	Ease of use	+	It is very easy to use
4	Portability	Datum	It can be easily portable
	Interactive	Datum	It is very interactive
	Cost	Datum	The materials used are low in cost
	Appearance	Datum	It is very unique in appearance
	Ease of use	Datum	It is user-friendly

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8. Selected design