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Related Experiment Video

Updated: Jun 6, 2026

Eye Tracking Young Children with Autism

Eye Tracking Young Children with Autism

Published on: March 27, 2012

Cable-driven elastic parallel humanoid head with face tracking for Autism Spectrum Disorder interventions.

Hao Su¹, Laurie Dickstein-Fischer, Kevin Harrington

¹Automation and Interventional Medicine (AIM) Laboratory in the Department of Mechanical Engineering, Worcester Polytechnic Institute, MA, USA. haosu@wpi.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|November 25, 2010

Summary

This study introduces a novel prismatic actuation for human-safe humanoid robot heads, enhancing safety and interaction. The design utilizes a cable-driven parallel manipulator with springs for shock mitigation and biomimetic motion.

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SSVEP-based Experimental Procedure for Brain-Robot Interaction with Humanoid Robots

SSVEP-based Experimental Procedure for Brain-Robot Interaction with Humanoid Robots

Published on: November 24, 2015

Area of Science:

Robotics and Human-Robot Interaction
Biomimetics and Mechanical Design

Background:

Existing humanoid robot head designs often lack sufficient safety features and naturalistic motion capabilities.
High actuator output impedance and susceptibility to external shocks pose risks in human-robot interaction.
The need for cost-effective and anatomically inspired robotic head systems is critical for broader applications.

Purpose of the Study:

To develop and present a new prismatic actuation approach for human-safe humanoid head design.
To integrate biomimetic principles and advanced mechanisms for enhanced neck and eye articulation.
To enable naturalistic human-robot interaction through a robust and safe head-eye system.

Main Methods:

A novel prismatic actuation method using cables and preloaded springs to drive a piston, reducing actuator impedance and shock susceptibility.
A parallel manipulator embodiment for the neck, featuring two cable-driven limbs with preloaded springs and one passive limb.
A low-cost, ball-in-socket eye mechanism utilizing webcam technology and a Kalman filter-based face tracking algorithm for interaction.

Main Results:

The developed neck achieves 3 degrees of freedom (DOF) motion: pan, tilt, and decoupled roll, mimicking human head movement.
Each eye independently achieves pan and synchronous tilt motion (3 DOF), enhancing observational capabilities.
The system demonstrates successful integration of safety features and biomimetic design for human-robot interaction.

Conclusions:

The proposed prismatic actuation and parallel manipulator neck design offer a safe and effective solution for humanoid robot heads.
The adaptable neck and eye structure is translatable to various human-safe humanoid robot platforms.
The penguin-inspired robot design suggests potential therapeutic applications, particularly for children with Autism Spectrum Disorders.