Design and Implementation of Ultrasonic Ranging System

Cui Li Mao; Er Hua Wang; Hong Qi Lin

doi:10.4028/www.scientific.net/AMM.239-240.37

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 239-240Design and Implementation of Ultrasonic Ranging...

Design and Implementation of Ultrasonic Ranging System

Abstract:

A real-time and high precision ultrasonic ranging method is proposed here. Ultrasonic ranging system based on MCU was established, which is composed of MCU, ultrasonic sending and receiving circuit, temperature compensate circuit, alarm, key and display circuit. Counting pulse method was used to measure the ultrasonic transmission time, and then the distance is calculated. In order to improve the ranging accuracy, temperature compensation was used in this system. Preliminary experiment showed that the system meet the requirements. This system has advantages such as low price, small volume, reliable operation, high accuracy, and can be employed in car backing, obstacle avoiding of robots, industrial logging, reservoir level measuring etc.

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Periodical:

Applied Mechanics and Materials (Volumes 239-240)

Pages:

37-41

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.239-240.37

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Online since:

December 2012

Authors:

Cui Li Mao, Er Hua Wang, Hong Qi Lin

Keywords:

Micro Controller Unit (MCU), Ranging, Temperature Compensation, Ultrasonic Wave (UW)

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