5. CONCEPT EVALUATION AND PRODUCT ARCHITECTURE - P-div-2023-24-ODD/Repo-03 GitHub Wiki

Assign weights to the objectives

Objectives Weights
Safety 9
Ease of use 6
Portability 5
Use of standard 4
Cost 2

PUGH CHART

Design Objectives Weights Design 1 Design 2 Design 3 Design 4
Safety 9 - datum - +
Ease of use 6 + datum - 0
Portability 5 0 datum + +
Use of standard parts 4 + datum 0 -
Cost 2 - datum + +
Score(+) 11 9 16
Score(-) 15 23 4
Total -4 0 -14 12

5.1 Justification for score given

Design No. Objective Score Allocated Justification for the Score
1. Power consumption 8 Least power consumption is being used for relaxing the spring
Ease of use 9 Spring operated can be restored back to normal position
Portability 7 Easy to carry/handle
Maintenance 5 Less maintenance
Cost 2 It is high-priced
2. Power consumption 0 datum
Ease of use 0 datum
Portability 0 datum
Maintenance 0 datum
Cost 0 datum
3. Power consumption 6 It consumes more energy
Ease of use 8 The plate gets back to normal easily
Portability 5 It is slight heavier as compared to design-1
Maintenance 4 Less maintenance
Cost 7 It is less-priced
4. Power consumption 9 No power consumption is being used
Ease of use 7 It can be operated by hand
Portability 7 Easy to carry
Maintenance 8 Less maintenance
Cost 4 Cost-efficient