Estimation of the speed of moving vehicles in a circular path using two sound vector sensors

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Arab Amirhosein; Rahi Abbas; Shahravi Morteza; Hasani Baferani Abolfazl

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Journal Paper

Paper Information

Journal: JOURNAL OF VIBRATION AND SOUND Year:2023 | Volume:12 | Issue:23 Page(s): 97-108

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Information Journal Paper

Title

Estimation of the speed of moving vehicles in a circular path using two sound vector sensors

Author(s)

Arab Amirhosein | Rahi Abbas | Shahravi Morteza | Hasani Baferani Abolfazl | Issue Writer Certificate

Keywords

Estimation of average speed

Sound vector sensor

localization

estimation of sound source position

Abstract

Today, there are many methods and equipment for estimating the speed of a moving vehicle, which many of them are expensive due to the installation conditions and requirements. One of these methods is the use of sound intensity quantity. Sound vector sensors, which are passive sensors, can obtain sound intensity values from the environment. In this article, using two sound vector sensors, the average speed of moving vehicles in circular paths is obtained. In this method, to get the speed, it is necessary to estimate the location of the source first. A sound vector sensor alone cannot determine the location of the sound source and can only estimate the direction of arrival (DoA). By using two sensors and determining the intersection of the rays of each sensor, the location of the sound source can be detected. The methods and equations governing this method are presented in this article. In the end, the numerical results are analyzed. In this article, various circular paths have been studied. The results show that the proposed method is good at estimating the location and speed of the moving vehicle at different times.

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