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Ultrasonic head controller for powered wheelchairs

J M Ford1, S J Sheredos

  • 1Technology Transfer Section, Department of Veterans Affairs, Baltimore, MD 21202-4051, USA.

Journal of Rehabilitation Research and Development
|October 1, 1995
PubMed
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The Ultrasonic Head Controller Unit (UHCU) offers a non-contact, head-movement-based interface for severely disabled individuals. This technology was evaluated for controlling powered wheelchairs, providing a new assistive technology option.

Area of Science:

  • Rehabilitation Engineering
  • Assistive Technology
  • Human-Computer Interaction

Background:

  • Current human-machine interfaces for severely disabled individuals often require physical contact.
  • The Ultrasonic Head Controller Unit (UHCU) was developed as a non-contact alternative.
  • The UHCU translates head position changes into analog signals for device control.

Purpose of the Study:

  • To evaluate the efficacy of the Ultrasonic Head Controller Unit (UHCU) for powered wheelchair control.
  • To explore the UHCU as an alternative human-machine interface for individuals with severe disabilities, specifically quadriplegia.

Main Methods:

  • Clinical evaluation of the Ultrasonic Head Controller Unit (UHCU).
  • Assessing the UHCU's capability to control powered wheelchairs.

Related Experiment Videos

  • Focusing on quadriplegic individuals as the target user group.

    • Main Results:

    • The UHCU successfully generated analog signals based on user head position.
    • The potential for controlling various devices, including powered wheelchairs, was demonstrated.
    • The non-contact nature of the UHCU was highlighted as a key feature.

    Conclusions:

    • The Ultrasonic Head Controller Unit (UHCU) shows promise as a non-contact assistive technology for controlling powered wheelchairs.
    • This technology offers a viable alternative human-machine interface for severely disabled individuals, particularly those with quadriplegia.
    • Further exploration of UHCU applications in communication, robotics, and recreation is warranted.