5.Concept Selection - B-DIV-2023-2024-ODD/B6 GitHub Wiki

5.1 Pugh chart

Design objective weight Design 1 Design 2 Design 3 Design 4
Safety 9 - Datum - +
Ease of use 3 + Datum - +
Probability 5 + Datum + -
Use of standard parts 8 0 Datum - ++
Cost 7 + Datum + -
Score(+) 15 12 28
Score(-) 9 20 12
Total 6 -8 16

5.2 Justification of the scores given

Design no. Objectives Score allocated Justification
1 Power cosumption 6 High power consumption
Ease of use 8 It can be easily used
portability 8 It is portable
Maintenance 9 High maintenance
Cost 5 Expensive
2 Power cosumption 7 Low power consumption
Ease of use 4 It cannot be easily used
portability 5 it is not much portable
Maintenance 8 High maintenence
Cost 8 Low cost
3 Power cosumption 8 Low power consumption
Ease of use 4 It cannot be easily used
portability 5 it is not much portable
Maintenance 6 Low maintenence
Cost 6 Affordable cost
4 Power cosumption Datum
Ease of use Datum
portability Datum
Maintenance Datum
Cost Datum