An ultrasonic head position interface for wheelchair control

@article{Jaffe1982AnUH,
  title={An ultrasonic head position interface for wheelchair control},
  author={David Jaffe},
  journal={Journal of Medical Systems},
  year={1982},
  volume={6},
  pages={337-342}
}
To give quadriplegics independent mobility, a “smart” microprocessor-based electric wheelchair has been developed by the Palo Alto Veterans Administration Medical Center and Stanford University. Ultrasound distance-ranging technology is employed to track the user's head position in two-dimensional space. These data are then used to determine the chair's direction and speed. A working prototype vehicle using this type of motion control has been successfully demonstrated. Obstacle detection, wall… CONTINUE READING

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