6) Virtual Implementatation 3D Model - R-Division-2022-2023-Odd/Repo-05 GitHub Wiki
3D Model parts
Final assembly of the model
Mechanism Parts
Middle piece
Link arm 1
Link arm 2
Link arm 3
- (Speaker connection)
2. (Motor Connection)
3.(Servo Motor Connection)
Flowchart
Bill of materials(BOM)
<style> </style>| Sl No | Part Name | Materials with which the part is made up of | Description about part | Quantity required | Fabrication Process if needed |
|---|---|---|---|---|---|
| 1 | Container | Foam Board | 2*2 feet | 2 | Cutting |
| 2 | Base | Foam Board | 2*2 feet | 2 | Cutting |
| 3 | Mid Structure | Foam Board | 2*2 feet | 2 | Cutting |
| 4 | Top Structure | Foam Board | 2*2 feet | 2 | Cutting |
| 5 | Bolt | -- | M3=3mm | 40 | -- |
| 6 | screw | -- | M3=3mm | 40 | -- |
| 7 | Washer | -- | M3=3mm | 40 | -- |
| 8 | Bolt | -- | M5=5.5mm | 4 | -- |
| 9 | screw | -- | M5=5.5mm | 4 | -- |
| 10 | Washer | -- | M5=5.5mm | 4 | -- |
| 11 | bolt | -- | M4=4mm | 5 | -- |
| 12 | Screw | -- | M4=4mm | 5 | -- |
| 13 | washer | -- | M4=4mm | 5 | -- |
| 14 | L clamp | -- | 20 X1X 20mm | 4 | -- |
Motor and battery sizing
<style> </style>1.Motor Sizing---
· Mass=2.0kg
· Diameter =66mm radius=33mm=0.033m
· Coefficient of friction between rubber and dry concrete =0.85
· g=9.8m/s^2
· Force=coefficient of friction*m*g
F=16.66N
· Torque=F*r
T=0.549Nm
T=5.46kg cm
Total torque=FOS*T
Total torque=1.5*T
Total torque=8.25kg cm
Therefore we choose motor of 100rpm at 12V.
Servo motor has a torque of 1.2kg cm
Voltage=4.8volts
Operating voltage=3.0-7.2 V
Stall current=650mA
2.Battery sizing
| Components | Capacity | Quantity | Total load current |
|---|---|---|---|
| Arduino | 12V,100mA | 1 | 100mA |
| Servo motor | 12V,650mA | 1 | 650mA |
| DC Motor | 12V,300mA | 4 | 1200mA |
| Bluetooth module | 3.3V,50mA | 1 | 50mA |
FOS of 4 motors = 1.2*1.2 Ampere,
FOS of 4 motors = 1.44 Ampere.
Total current with FOS is 1.89A at 12V
So we select adapter of 2A at 12V.