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Related Concept Videos

Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...
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The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
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The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
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Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
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A multi-modal sensing system for human-robot interaction through tactile and proximity data.

Gianluca Laudante1, Michele Mirto1, Olga Pennacchio1

  • 1Engineering Department, University of Campania "Luigi Vanvitelli", Aversa, Italy.

Frontiers in Robotics and AI
|June 25, 2025
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Summary

This study introduces a multi-modal system for human-robot interaction, using tactile and proximity sensors for teaching robots tasks. The system effectively enables collaborative robotics through adaptable, modular design.

Keywords:
human-robot collaborationhuman-robot interactionmodularmulti-modalproximity sensortactile sensor

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Area of Science:

  • Robotics
  • Human-Robot Interaction
  • Sensor Technology

Background:

  • Collaborative robotics and Human-Robot Interaction (HRI) are advancing rapidly.
  • There is a growing need for robots to work alongside humans in shared tasks.
  • Teaching robots operations for autonomous execution is a key area of interest.

Purpose of the Study:

  • To propose a multi-modal system for human-robot collaboration.
  • To enable robots to learn and perform tasks autonomously after human instruction.
  • To develop an adaptable and modular system for diverse applications.

Main Methods:

  • A multi-modal approach utilizing tactile fingers and proximity sensors.
  • Tactile fingers serve as the primary interface for interaction.
  • Proximity sensors facilitate contactless end-effector movements and collision avoidance.

Main Results:

  • Demonstrative tests confirmed the system's effectiveness.
  • The proposed algorithms successfully enabled human-robot collaboration.
  • Tactile and proximity sensors proved effective both individually and in combination.

Conclusions:

  • The developed system facilitates human-robot collaboration through multi-modal sensing.
  • The modular design allows for adaptability to various tasks, demonstrated with electrical wire manipulation.
  • Future research will explore performance with different object shapes and complex tasks.