TU Delft researchers develop bird-inspired tactile drone

Researchers at TU Delft have developed a bird-inspired drone capable of using tactile sensors to perch on branches and objects. This technology addresses a common limitation in aerial robotics where visual perception becomes unreliable as a drone approaches a landing target, such as a branch, which may obstruct the camera's view.

The drone utilizes a three-fingered robotic gripper equipped with soft tactile sensors. Instead of relying solely on cameras, the system uses physical contact to detect the position, orientation, and size of a landing surface. By combining sensor readings with the gripper's shape, the drone can correct its position in real-time until it achieves a stable grip, much like a bird uses its sense of touch to adjust its feet during landing.

This advancement could significantly extend drone operating times by allowing them to rest on structures rather than continuously hovering to conserve battery. Potential applications include forest-canopy monitoring, inspecting cluttered industrial environments, and navigating areas where motion-capture or visual systems are ineffective.