4.1 ASSIGN WEIGHTS TO THE OBJECTIVE

SL.NO	OBJECTIVE	WEIGHTS
1	SAFETY	6
2	EASY OF USE	6
3	PORTABILITY	7
4	STANDARD PARTS AND MATERIAL	8
5	TOTAL DIGITAL LOCK	8

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4.2 PUGH CHART

[(*)is datum here]

SL.NO	DESIGN OBJECTIVE	WEIGHTS	DESIGN 1	DESIGN 2	DESIGN 3	DESIGN4
1	SAFETY	6	*	++	-	-
2	EASY OF USE	6	*	++	-	+
3	PORTABILITY	7	*	-	*	*
4	STANDARD PARTS AND MATERIAL	8	*	*	*	--
5	TOTAL DIGITAL LOCK	8	*	++	-	+
>	TOTAL WEIGHT	35	35	40	33	33

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4.3 JUSTIFICATION FOR WEIGHTS GIVEN

DESIGN	OBJECTIVE	SCORE	JUSTIFICATION FOR THE SCORE
1	SAFETY	6	*
	EASY OF USE	6	*
	PORTABILITY	7	*
	STANDARD PARTS AND MATERIAL	8	*
	TOTAL DIGITAL LOCK	8	*
2	SAFETY	8	more safe because of better alarm arrangement
	EASY OF USE	8	battery box outside, alarm easily heard
	PORTABILITY	6	useage of screw to attach if needed makes it less portable
	STANDARD PARTS AND MATERIAL	8	similar type and quality parts used
	TOTAL DIGITAL LOCK	10	2 digital locks used
3	SAFETY	5	no drawers and secret compartments
	EASY OF USE	5	circuit distributed
	PORTABILITY	7	almost portability is same
	STANDARD PARTS AND MATERIAL	8	almost same material used
	TOTAL DIGITAL LOCK	8	semi digital as datum
4	SAFETY	5	locks can be easily manupilated
	EASY OF USE	7	easy usage because
	PORTABILITY	7	portability same
	STANDARD PARTS AND MATERIAL	6	traditional lock
	TOTAL DIGITAL LOCK	8	semi digital as datum

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4.4 SELECTED DESIGN

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4.4 FUNCTION CLUSTERING

***#

4.5 SUBSYSTEM LIST

SL.NO	SUBSYSTEM
1	INDICATION SECTION
2	USER INPUT AND PROCESSING SECTION
3	CONSTRUCTION SECTION

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4.6 INTERACTION DETAILS

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