5. CONCEPT EVALUATION AND PRODUCT ARCHITECTURE - R-division-2021-2022-odd/Repo-06 GitHub Wiki
Pugh Chart:-
| Design Objectives | Weights | Design 1 | Design 2 | Design 3 | Design 4 |
|---|---|---|---|---|---|
| User friendly | 8 | 0 | 0 | Datum | + |
| Weight of machine | 1 | - | - | Datum | 0 |
| Aesthetic looks | 2 | + | + | Datum | + |
| Simple mechanism | 4 | - | 0 | Datum | + |
| Score(+) | 2 | 2 | 0 | 14 | |
| Score(-) | 5 | 1 | 0 | 0 | |
| Total score | -3 | 1 | 0 | 14 |
5.1 JUSTIFICATON FOR SCORE GIVEN:
| Design Number | Objective | Score allocated | Justification of score |
|---|---|---|---|
| 1 | User friendly | 0 | The ease of usage is same as DATUM |
| Weight of machine | -1 | The robotic mechanism weight more | |
| Aesthetic looks | +2 | The robotic hand and design looks aesthetically good | |
| Simple mechanism | -4 | The mechanism involved is complex and repair require skilled person | |
| 2 | User friendly | 0 | The usage is same as DATUM |
| Weight of machine | -1 | The chain and box weight more compared to DATUM | |
| Aesthetic looks | +2 | The chain and sliding mechanism have different looks | |
| Simple mechanism | 0 | The mechanism complexity is same as DATUM | |
| 3 | User friendly | 0 | DATUM |
| Weight of machine | 0 | DATUM | |
| Aesthetic looks | 0 | DATUM | |
| Simple mechanism | 0 | DATUM | |
| 4 | User friendly | +8 | The usage is simple and easy |
| Weight of machine | 0 | The weight of machine is will be same as DATUM | |
| Aesthetic looks | +2 | The cylinderical shape is gives Asthetic looks | |
| Simple mechanism | 0 | The mechanism is simple and require minimum components |
5.2 SELECTED DESIGN
Design 4 :
5.3 FUNCTION CLUSTERING
LIST OF SUBSYSTEM:-
| SL.No | SUBSYSTEM |
|---|---|
| 1 | Input subsystem |
| 2 | Bit movement subsystem |
| 3 | Indication subsystem |
| 4 | Exterior subsystem |
5.4 INTERACTION BETWEEN SUBSYSTEMS
5.4.1 INPUT UNIT
| Interactions | Bit movement unit | Indication unit | Exterior unit |
|---|---|---|---|
| Energy | NO | NO | NO |
| Data | YES | YES | NO |
| Material | NO | NO | NO |
5.4.2 BIT MOVEMENT UNIT
| Interactions | Input unit | Indication unit | Exterior unit |
|---|---|---|---|
| Energy | NO | NO | NO |
| Data | YES | YES | NO |
| Material | NO | NO | NO |
5.4.3 INDICATION UNIT
| Interactions | Input unit | Bit movement unit | Exterior unit |
|---|---|---|---|
| Energy | NO | NO | NO |
| Data | YES | YES | NO |
| Material | NO | NO | NO |
5.4.4 EXTERIOR UNIT
| Interactions | Input unit | Bit movement unit | Indication unit |
|---|---|---|---|
| Energy | NO | NO | NO |
| Data | NO | NO | NO |
| Material | NO | NO | NO |