Ultrasonic Vision System

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Date
2010
Authors
Haneen HajQasem
Sawsan Dweikat
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Abstract
The ultrasonic  vision system enables a person to navigate hallways and around large objects without sight, through the use of an ultrasonic rangefinder that  interfaces with the user via tiny vibrating motors mounted on the users head. The idea behind this project was to construct a sensory system that interacts with the body in an intuitive and user friendly fashion and enables the user to navigate without vision.  We also implemented RF transmission in order to provide feedback to a program running on the computer to keep track of the sensory data obtained from the mobile user mounted sensor system, we used MATLAB program to draw the persons movement through the rooms and hallways. This enabled the person sitting at the computer to observe all the distances between the surrounding obstacles and the user wearing the hat. The rangefinder rotated on a motor atop the hardhat in order to take the sensory data at discrete points around the user. The hat and required hardware is all battery powered so that it is totally mobile and can be used as intended, so that movement is not restricted by the length of wires.The rationale behind this project was to demonstrate an idea by creating a working prototype of a sensory system to enable the sight impaired to navigate through hallways and around large objects.  We also thought that the idea of integrating all of the different hardware and using sensory hardware to actuate feedback hardware was very interesting.  Putting all of this in a mobile package was no easy task but it was a great learning experience. 
The ultrasonic  vision system enables a person to navigate hallways and around large objects without sight, through the use of an ultrasonic rangefinder that  interfaces with the user via tiny vibrating motors mounted on the users head. The idea behind this project was to construct a sensory system that interacts with the body in an intuitive and user friendly fashion and enables the user to navigate without vision.  We also implemented RF transmission in order to provide feedback to a program running on the computer to keep track of the sensory data obtained from the mobile user mounted sensor system, we used MATLAB program to draw the persons movement through the rooms and hallways. This enabled the person sitting at the computer to observe all the distances between the surrounding obstacles and the user wearing the hat. The rangefinder rotated on a motor atop the hardhat in order to take the sensory data at discrete points around the user. The hat and required hardware is all battery powered so that it is totally mobile and can be used as intended, so that movement is not restricted by the length of wires.The rationale behind this project was to demonstrate an idea by creating a working prototype of a sensory system to enable the sight impaired to navigate through hallways and around large objects.  We also thought that the idea of integrating all of the different hardware and using sensory hardware to actuate feedback hardware was very interesting.  Putting all of this in a mobile package was no easy task but it was a great learning experience. 
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