5. CONCEPT EVALUATION AND PRODUCT ARCHITECTURE - O-division-2021-2022-Even/Repo-01 GitHub Wiki

5.1 ASSIGNING WEIGHTS TO OBJECTIVES

Sl.NO Objectives Weights
1. High quality print 4
2. Attractive 8
3. Portability 8
4. Automatic 9
5. Light weight 6

PUGH CHART

Design Objectives Weights Design 1 Design 2 Design 3 Design 4
High quality print 4 + Datum + +
Attractive 8 + Datum ++ ++
Portability 8 0 Datum ++ -
Automatic 9 + Datum ++ +
Light weight 6 - Datum -- -
Score(+) 21 0 54 29
Score(-) 6 0 12 14
Total 35 15 0 42 15

5.2 JUSTIFICATIONS FOR SCORE GIVEN

Design no. Objective Score allocated Justification for the score given
1 High quality print 4 Squeegeeing mechanism is better
Charismatic 8 Look was better than the reference design
Portability 0 It has same portability as that of the reference design
Automatic 9 No provision for holding and pouring the ink
Light weight -6 As machine is of wood so it is heavy
2 High quality print 0 Considered as reference design
Charismatic 0 Considered as reference design
Portability 0 Considered as reference design
Automatic 0 Considered as reference design
Light weight 0 Considered as reference design
3 High quality print 4 Squeegeeing mechanism is better
Charismatic 16 Look was much better than the reference design
Portability 16 Machine is smaller in size
Automatic 18 All the functions are automatic
Light weight -12 Many components are used so machine is heavy
4 High quality print 4 Squeegeeing mechanism is better
Charismatic 16 Look was much better than the reference design
Portability -8 Machine is large in size
Automatic 9 Screen pressing is not automatic
Light weight -6 As machine is of wood so it is heavy

5.3 SELECTED DESIGN

Design 3

3e

PRODUCT ARCHITECTURE

5.4 FUNCTION CLUSTERING

image

SUBSYSTEMS

Sl.No Subsystems
1. Moving unit
2. Printing unit
3. Holding unit

5.5 INTERACTION BETWEEN SUBSYSTEMS

Moving unit Printing unit Holding unit
Spatial Yes Yes
Data No No
Material Yes Yes
Printing unit Moving unit Holding unit
Spatial Yes Yes
Data No No
Material Yes Yes
Holding unit Moving unit Printing unit
Spatial Yes Yes
Data No No
Material Yes Yes