engineering design 2 - Gdiv-exploration/Repo_PHR_4 GitHub Wiki

phase 2:
list of identified functions
1.selection of medicine
2.medicine fetching
3.returning the medicine

list the associated with each of the functions as indicated in use diagrams

selection of medicine
| function 1 |
|---|
| 1.pharmacist select medicine |
| 2.reading the option |
validation
| function 2 |
|---|
| 1.verification of input |
| 2.display of verification result |
medicine fetching
| function 3 |
|---|
| 1.moves towards on the rack |
| 2.collecting the box |
| 3.dispensing |
returning
| function |
|---|
| 1.return medicine rack |
| 2.machine replaces the box |
2.2 list of inputs of the system and represent black box model
| INPUTS | OUTPUTS |
|---|---|
| electricity | 1.medicine |
| data | mechanical energy |
| display |
| power electricity |
|---|
2.3 Write the glass box representation of the system in terms of functional blocks

| function | Mean1 | Mean2 | mean3 | mean4 |
|---|---|---|---|---|
| 1.selection | key board | voice command | system | touch screen |
| 2.movement | on the fixed track | chain mechanism | through handle fixed space | on wheels |
| 3.detection | number system | bare code reader | QR scanner | Light scanner |
| 4.medicine fetching | Robotic arm | fama drawer | electromagnet | Hook system |
Concept 1

Concept 2

Concept 3

Concept 4

| objective | weight age |
|---|---|
| safety | 9 |
| user friendly | 8 |
| probability | 7 |
| use of standard parts | 5 |
| cost | 6 |
Pugh chart
| objectives | design 1 | design 2 | design 3 | design 4 |
|---|---|---|---|---|
| safety | - | datum | - | - |
| user friendly | -- | datum | + | -- |
| probability | + | datum | -- | + |
| use of standard parts | ++ | datum | - | ++ |
| cost | - | datum | + | -- |
| +score | 17 | 0 | 14 | 17 |
| -score | -31 | 0 | -28 | -37 |
| total | -14 | 0 | -14 | -20 |