Power - ProjectHexapod/Main GitHub Wiki

All electronics on the robot are powered by the engine battery and alternator. Power from the battery is broken out in a junction box located under the seat to the six leg controllers, two hip controllers, and console.

The alternator can provide 200A.

Leg Controller power analysis

Total: 2.8A at 12V (5.2A in error condition)

• Beaglebone runs on 5V and draws max 2W - 160mA @12V
• Each solenoid draws 1.2A
• Max 2 solenoids on at once
• In error conditions up to 4 solenoids could be active

Hip Controller power analysis

Total: 4A at 12V (7.6A in error condition)

• Beaglebone runs on 5V and draws max 2W - 160mA @12V
• Each solenoid draws 1.2A
• Max 3 solenoids on at once for normal operation
• In error conditions up to 6 solenoids could be active

Console power analysis

Total: 11A

• Network Switch draws 1A at 12V
• Main Computer
• Beaglebone runs on 5V and draws max 2W - 160mA @12V
• Main Computer cape draws minimal power
• Engine Controller
• Beaglebone runs on 5V and draws max 2W - 160mA @12V
• Each pump bypass solenoid draws 1.2A
  • Max 2 solenoids on at once
• Auxiliary power
• AC inverter for laptop draws 7.5A @12V for a 90 Watt adapter

Weapons power (future)

Sound system Laser/lights Flamethrower