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An embedded human motion capture system for an assistive walking robot.

Cong Zong1, Xavier Clady, Mohamed Chetouani

  • 1Université Pierre et Marie Curie, Institut des Systèmes Intelligents et de Robotique, Paris, France. cong.zong@isir.upmc.fr

IEEE ... International Conference on Rehabilitation Robotics : [Proceedings]
|January 26, 2012
PubMed
Summary

This study introduces an embedded 3D motion capture system for assistive walking robots. The system accurately tracks human joint positions, validating its effectiveness for robotic assistance.

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Area of Science:

  • Robotics
  • Biomechanics
  • Computer Vision

Background:

  • Assistive walking robots require accurate human motion data for effective operation.
  • Existing motion capture systems can be cumbersome or expensive for real-time integration.

Purpose of the Study:

  • To develop and validate an embedded 3D body motion capture system for an assistive walking robot.
  • To assess the accuracy of the embedded system by comparing it against a gold-standard motion capture device.

Main Methods:

  • An integrated system using a 3D camera and infrared sensors was developed and mounted on a wheeled walker.
  • Human articular joint positions were computed using the embedded system.
  • The computed joint positions were compared against data from an established motion capture system (Codamotion).

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Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults
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Published on: May 12, 2016

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Last Updated: May 25, 2026

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb
08:24

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Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults
09:37

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Main Results:

  • The embedded 3D motion capture system demonstrated comparable accuracy to the Codamotion system.
  • The system successfully captured and computed human articular joint positions.

Conclusions:

  • The developed embedded 3D motion capture system is a valid and accurate approach for assistive walking robots.
  • This technology has the potential to enhance the performance and user experience of assistive robotic devices.