#3 Concept Evaluation and Selected Concept - P-division-2020-2021-even/Repo-03 GitHub Wiki
A. ASSIGNING WEIGHTS TO THE OBJECTIVES
| S.N. | Design Objective | Weights |
|---|---|---|
| 1 | Security | 9 |
| 2 | Ease of use | 8 |
| 3 | Water resistance | 5 |
| 4 | Cost | 7 |
| 5 | Indication of functions | 8 |
B. PUGH CHART
| S.N. | Design Objectives | Weights | Design 1 | Design 2 | Design 3 | Design 4 |
|---|---|---|---|---|---|---|
| 1 | Security | 9 | ++ | + | Datum | - |
| 2 | Ease of use | 8 | - | - | Datum | ++ |
| 3 | Water resistance | 5 | ++ | - | Datum | - |
| 4 | Cost | 7 | + | ++ | Datum | - |
| 5 | Indication of functions | 8 | + | + | Datum | + |
| Score (+) | 43 | 31 | 0 | 24 | ||
| Score (-) | -8 | -13 | 0 | -21 | ||
| Total | 35 | 18 | 0 | 3 |
C. JUSTIFICATION FOR ASSIGNING WEIGHTS
| Design Number | Objective | Score Allocated | Justification For The Score |
|---|---|---|---|
| 1 | Security | 18 | Double security |
| Ease of use | -8 | Complexity due to bluetooth connection | |
| Indication of functions | 8 | Digital display and bluetooth | |
| Cost | 7 | Cheaper | |
| Water resistance | 10 | Si coating |
| Design Number | Objective | Score Allocated | Justification For The Score |
|---|---|---|---|
| 2 | Security | 9 | Single authentication |
| Ease of use | -8 | PIN Setup | |
| Indication of functions | 8 | Speaker and keypad | |
| Cost | 14 | Cheaper | |
| Water resistance | -5 | Normal lamination |
| Design Number | Objective | Score Allocated | Justification For The Score |
|---|---|---|---|
| 3 | Security | 0 | N/A |
| Ease of use | 0 | N/A | |
| Indication of functions | 0 | N/A | |
| Cost | 0 | N/A | |
| Water resistance | 0 | N/A |
| Design Number | Objective | Score Allocated | Justification For The Score |
|---|---|---|---|
| 4 | Security | -9 | Theft of RFID card |
| Ease of use | 16 | Simple lock | |
| Indication of functions | 8 | RFID card and vibration sensor | |
| Cost | -7 | Expensive | |
| Water resistance | -5 | Normal lamination |
D. SELECTED DESIGN
Srishti Saurav
E. FUNCTION CLUSTERING
F. SUBSYSTEM LIST
| S.N. | Subsystems |
|---|---|
| 1 | LOCKING AND UNLOCKING |
| 2 | INDICATIONS AND READING |
| 3 | STORAGE |
G. INTERACTION BETWEEN SUBSYSTEMS
| LOCKING AND UNLOCKING | INDICATIONS AND READING | STORAGE |
|---|---|---|
| Energy Interaction | YES | NO |
| Material Interaction | YES | YES |
| Data Interaction | YES | NO |
| INDICATIONS AND READING | STORAGE | LOCKING AND UNLOCKING |
|---|---|---|
| Energy Interaction | NO | YES |
| Material Interaction | YES | YES |
| Data Interaction | NO | YES |
| STORAGE | INDICATIONS AND READING | LOCKING AND UNLOCKING |
|---|---|---|
| Energy Interaction | NO | YES |
| Material Interaction | YES | YES |
| Data Interaction | NO | NO |