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Sensors 2017, 17(4), 821; doi:10.3390/s17040821

Dynamic Synchronous Capture Algorithm for an Electromagnetic Flowmeter

Department of Computer Science and Information Engineering, Fu Jen Catholic University, New Taipei 24205, Taiwan
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Received: 9 February 2017 / Revised: 31 March 2017 / Accepted: 7 April 2017 / Published: 10 April 2017
(This article belongs to the Special Issue Magnetic Sensors and Their Applications)
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Abstract

This paper proposes a dynamic synchronous capture (DSC) algorithm to calculate the flow rate for an electromagnetic flowmeter. The characteristics of the DSC algorithm can accurately calculate the flow rate signal and efficiently convert an analog signal to upgrade the execution performance of a microcontroller unit (MCU). Furthermore, it can reduce interference from abnormal noise. It is extremely steady and independent of fluctuations in the flow measurement. Moreover, it can calculate the current flow rate signal immediately (m/s). The DSC algorithm can be applied to the current general MCU firmware platform without using DSP (Digital Signal Processing) or a high-speed and high-end MCU platform, and signal amplification by hardware reduces the demand for ADC accuracy, which reduces the cost. View Full-Text
Keywords: electromagnetic flowmeter; Gaussian blur; moving average algorithm electromagnetic flowmeter; Gaussian blur; moving average algorithm
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Fanjiang, Y.-Y.; Lu, S.-W. Dynamic Synchronous Capture Algorithm for an Electromagnetic Flowmeter. Sensors 2017, 17, 821.

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