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Columbia Engineers Advance Robot Metabolism with Sensor-Equipped Modules

Researchers will integrate diverse sensors into Truss Link modules to grant prototypes the environmental awareness required for autonomous growth

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Overview

  • The robot metabolism framework uses magnetic Truss Link rods that can self-assemble, replace damaged parts and cannibalize other modules for growth
  • Under researcher teleoperation, prototypes have formed 2D assemblies and leveraged ledges to reconfigure into 3D tetrahedral shapes
  • A test adding an extra Truss Link acted like a walking stick and boosted downhill speed by 66 percent, demonstrating functional gains through adaptive growth
  • Current prototypes remain teleoperated and lack full operational autonomy in both assembly and decision-making
  • The team’s next step is to develop sensor-equipped Truss Link variants to improve environmental responsiveness and enable independent evolution