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 |