And it can balance perfectly on power lines. 🤓 engineering
The team, from UC Berkeley's High Performance Robotics Laboratory , used passive unactuated hinges, meaning that no extra battery-sapping actuators or sensors are required. In other words, each of the hinges folds inwards when its rotor stops or goes in reverse, and outwards when the rotor is powered up.
The quadcopter is able to fold any two of its arms using this method and still maintain stable flight. That means the drone can shift into a number of different shapes. The researchers say that it could, for example, squeeze through a narrow opening, and its folded-down arms can also be used to grasp objects.The Midair Reconfigurable Quadcopter can also suddenly drop down through a narrow opening, as its arms will passively fold as its rotors all go into reverse or simply stop.
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