Araştırma Makalesi

Evaluation of Different Methods on Time of Flight Calculation

Sayı: 37 15 Temmuz 2022
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Evaluation of Different Methods on Time of Flight Calculation

Abstract

Instrumentation and measurement have become a very important field in the developing industry. This development reveals requirements such as minimization of measurement errors. Accurate measurement of flow and consumption is a significant process to avoid wrong billing and entanglement for water utilities. This paper presents an ultrasonic Time-of-Flight (TOF) estimation algorithm evaluation for liquid or gas flow rate measurement applications for electronic smart meters. Transducers, as a piezoelectric material, are employed in flow measurement industry, and generate ultrasonic sound waves against pressure. Reciprocal located transducers in a flow medium are triggered to obtain ultrasonic sound waves in both flow direction. Due to the small distance between transducers and speed of sound in flow medium, TOF calculation becomes a challenging process. Equivalent circuit model of a transducer is implemented on MATLAB/Simulink environment numerically, and both upstream and downstream signals, which are the transit waves between transducers and named in order to triggering order, are obtained. Firstly, behavior of an excited transducer is evaluated on simulation environment, and a random signal, which simulates measurement noise, is employed to mimic the real-world conditions. Problem definitions and proposed algorithms given in the literature are investigated, and candidate TOF measurement algorithms are selected. Each method is implemented. Afterward, obtained transit waves are employed with the conventional method to compute TOF at each zero-crossing point. To improve the measurement performance, a cross-correlation based method is proposed for TOF estimation process, and results are compared to conventional method-based measurements. Possible future directions of the study are indicated.

Keywords

Destekleyen Kurum

BAYLAN Su Sayaçları

Kaynakça

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  8. Uchiyama, Y., Morita, R., Umezawa, S., & Sugita, K. (2019). Flow rate measurement of wet steam in large bore piping by clamp-on type ultrasonic flow meter.

Ayrıntılar

Birincil Dil

İngilizce

Konular

Mühendislik

Bölüm

Araştırma Makalesi

Yayımlanma Tarihi

15 Temmuz 2022

Gönderilme Tarihi

28 Haziran 2022

Kabul Tarihi

29 Haziran 2022

Yayımlandığı Sayı

Yıl 2022 Sayı: 37

Kaynak Göster

APA
Gökçen, A., & Yeşil, B. (2022). Evaluation of Different Methods on Time of Flight Calculation. Avrupa Bilim ve Teknoloji Dergisi, 37, 119-122. https://doi.org/10.31590/ejosat.1136834