TITLE
APPLICATION AND ANALYSIS OF ULTRASONIC SENSORS FOR RIVER LEVEL MEASUREMENT

AUTHOR(S)
Svetoslav Mateev1, Dobromira Yaneva2, Dragomir Vassilev2

ABSTRACT
This study presents the development and experimental testing of an innovative technology for measuring river levels, aimed at achieving accuracy comparable to that of high-cost radar systems. The solution utilizes the MB7076 XL ultrasonic sensor from the MaxSonar-WRLA1 series, combined with intelligent software analysis of the analog signal and the application of various temperature compensation approaches. The system was tested under real conditions on the Yantra River in Gabrovo, Bulgaria, with adjustments implemented to minimize measurement error. The results demonstrate that, with appropriate temperature correction and advanced signal analysis algorithms, an error of less than 3% can be achieved, and under optimized conditions – as low as 0.5%.The system provides a reliable and affordable alternative for hydrological monitoring and intelligent infrastructure within the context of sustainable water resource management and Smart Cities.

DOI

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https://unitech.tugab.bg/images/2025/dokladi/13-Chemistry%20Physics%20and%20Ecology/p279_s13_u4_id399.pdf

How to cite this article:
Svetoslav Mateev1, Dobromira Yaneva2, Dragomir Vassilev2, APPLICATION AND ANALYSIS OF ULTRASONIC SENSORS FOR RIVER LEVEL MEASUREMENT, UNITECH – SELECTED PAPERS - 2025