ResearchResearch paperRobotics & Embodied AI1 source · Oct 7, 2026

MagCilia: A Compact Magnetociliary Tactile Sensor with 3D Force Sensing for Robotic Contact Perception and Grasping Feedback

Here, we present a compact magnetociliary tactile sensor (MagCilia) that combines a flexible magnetic-cilia structure with a Hall sensor for 3D force sensing.

Key points

  • Robotic grasping and surface exploration benefit from simultaneous measurement of normal and tangential forces and from surface information obtained through contact.
  • To reconstruct forces from the coupled magnetic channels, we propose causal history fusion regression (CHFR), which combines current magnetic-field measurements with their recent changes.
  • Robotic experiments demonstrate tangential-force-guided gripper adjustment and multi-axis load monitoring under external perturbations.
  • These results demonstrate 3D force reconstruction, grasping feedback, and surface recognition using a single compact tactile unit.

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