5. Concept Selection
| Objectives | Weights |
|---|---|
| Safety | 7 |
| Ease of use | 9 |
| Portability | 4 |
| User friendly | 7 |
| Cost | 8 |
| Design Objectives | Weights | Design 1 | Design 2 | Design 3 | Design 4 |
|---|---|---|---|---|---|
| Safety | 7 | - | Datum | - | 0 |
| Ease of use | 9 | + | Datum | - | + |
| Portability | 4 | - | Datum | + | 0 |
| User friendly | 7 | + | Datum | - | + |
| Cost | 8 | -- | Datum | 0 | ++ |
| Score(+) | 16 | 0 | 4 | 32 | |
| Score (-) | -27 | 0 | -23 | 0 | |
| Total | -11 | 0 | -19 | 32 |
| Design No. | Objective | Score Allocated | Justification for the Score |
|---|---|---|---|
| 1 | Safety | - | It is a moderately safe design but some of the motors are exposed. |
| Ease of Use | + | It is an easy to use design. | |
| Portability | - | It is not very portable. | |
| User friendly | + | It is a user friendly design. | |
| Cost | -- | It is an expensive design because of the costly components. | |
| 2 | Safety | Datum | |
| Ease of Use | Datum | ||
| Portability | Datum | It is selected as datum because it has at least one point in common with the other designs. | |
| User Friendly | Datum | ||
| Cost | Datum | ||
| 3 | Safety | - | It is not very safe compared to other designs. |
| Ease of Use | - | It is not easier to use than other designs. | |
| Portability | + | It is a portable design. | |
| User friendly | - | It is not user friendly. | |
| Cost | 0 | It is not very cost effective. | |
| 4 | Safety | 0 | It is a moderately safe design. |
| Ease of Use | + | It is easier to use than other designs. | |
| Portability | 0 | It has moderate portability. | |
| User friendly | + | It is a user friendly design. | |
| Cost | ++ | It is a cost effective design. |
| SL. No. | Subsystem |
|---|---|
| 1 | Collect and Handle cards |
| 2 | Indication unit |
| 3 | Card dealing Unit |
| 4 | Casing |
| Collect and Handle cards | Indication unit | Card dealing Unit | Casing |
|---|---|---|---|
| Spatial | T | T | T |
| Data | T | F | F |
| Material | F | T | F |
| Indication unit | Collect and Handle cards | Card dealing Unit | Casing |
| Spatial | T | F | T |
| Data | T | T | F |
| Material | F | F | F |
| Card dealing Unit | Collect and Handle cards | Indication unit | Casing |
| Spatial | T | F | T |
| Data | F | T | F |
| Material | T | F | F |
| Casing | Collect and Handle cards | Indication unit | Card dealing Unit |
| Spatial | T | T | T |
| Data | F | F | F |
| Material | F | F | F |