3.Concept evaluation and Selected concept - L-division-2020-2021-odd/Repo-14 GitHub Wiki

Weights to the objectives

Objectives Weights
Safety 9
Ease of use 8
Portability 7
Use of standard parts 7
Cost 6

Pugh chart

Design Objectives Weights Design-1 Design-2 Design-3 Design-4
Safety 9 + Datum + 0
Ease of use 8 ++ Datum + 0
Portability 7 ++ Datum + +
Use of standard parts 7 0 Datum 0 +
Cost 6 + Datum ++ 0
Score(+) 45 0 36 14
Score(-) 0 0 0 0
Total 45 0 36 14

Justification

Design No. Objective Score allocated Justification for the score
1 Safety 9 It is light weight and doesnot break the window
Ease of use 16 It cleans the window throught and easy to operate
Portability 14 It is easy to carry to any place
Use of standard parts 0 The standard parts used are similar
Cost 6 It is less cost
2 Safety datum -
Ease of use datum -
Portability datum -
Use of standard parts datum -
Cost datum -
3 Safety 9 It is light weight and it does not break the glass window
Ease of use 8 It cleans the window better
Portability 7 It is portable
Use of standard parts 0 The standard parts used are similar
Cost 12 The cost is too less
4 Safety 0 It has same weight
Ease of use 0 Have same impact on use
Portability 7 It is portable
Use of standard parts 7 use of more standard parts
Cost 0 The cost is same

Selected concept