University of Khartoum

Ultrasonic Range Meter

Ultrasonic Range Meter

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Title: Ultrasonic Range Meter
Author: Suliman, Mohammed Elmontasir Ibraheem
Abstract: Non-contact measurement of distance has been required and studied in many application fields. One of the most popular ranging techniques is ultrasonic ranging. The purpose of this project is to design a cost effective range meter based on ultrasonic transducer pair and by using AVR ATmega 32 microcontroller. By employing an ultrasonic transducer pair for producing ultrasonic sounds and sensing the reflected sound waves, the objects are detected. The hardware interface uses an Atmel ATmega 32 AVR microcontroller to facilitate the generation of 40 KHz signal burst which is used in the transmitter circuit, and also to process the received signal for measuring the time of flight of reflected waves and exact distance of the obstruction. The minimum distance that this system can measure is 0.2m and the maximum distance that can be measured is 3.6m. The ultrasonic Range Finder has numerous applications. It can be used for automatic guided vehicles, positioning of robots as well as measuring generic distances and liquid levels in tanks.
URI: http://khartoumspace.uofk.edu/handle/123456789/18588
Date: 2011


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