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Dr. Myung Chun
School of Electronics Engineering, Chungbuk National University, Chungbuk 28644, Korea

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Journal article
Published: 23 October 2015 in Sensors
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Ultrasonic concentration meters have widely been used at water purification, sewage treatment and waste water treatment plants to sort and transfer high concentration sludges and to control the amount of chemical dosage. When an unusual substance is contained in the sludge, however, the attenuation of ultrasonic waves could be increased or not be transmitted to the receiver. In this case, the value measured by a concentration meter is higher than the actual density value or vibration. As well, it is difficult to automate the residuals treatment process according to the various problems such as sludge attachment or sensor failure. An ultrasonic multi-beam concentration sensor was considered to solve these problems, but an abnormal concentration value of a specific ultrasonic beam degrades the accuracy of the entire measurement in case of using a conventional arithmetic mean for all measurement values, so this paper proposes a method to improve the accuracy of the sludge concentration determination by choosing reliable sensor values and applying a neuro-fuzzy learning algorithm. The newly developed meter is proven to render useful results from a variety of experiments on a real water treatment plant.

ACS Style

Ho-Hyun Lee; Sang-Bok Jang; Gang-Wook Shin; Sung-Taek Hong; Dae-Jong Lee; Myung Geun Chun. An Ultrasonic Multi-Beam Concentration Meter with a Neuro-Fuzzy Algorithm for Water Treatment Plants. Sensors 2015, 15, 26961 -26977.

AMA Style

Ho-Hyun Lee, Sang-Bok Jang, Gang-Wook Shin, Sung-Taek Hong, Dae-Jong Lee, Myung Geun Chun. An Ultrasonic Multi-Beam Concentration Meter with a Neuro-Fuzzy Algorithm for Water Treatment Plants. Sensors. 2015; 15 (10):26961-26977.

Chicago/Turabian Style

Ho-Hyun Lee; Sang-Bok Jang; Gang-Wook Shin; Sung-Taek Hong; Dae-Jong Lee; Myung Geun Chun. 2015. "An Ultrasonic Multi-Beam Concentration Meter with a Neuro-Fuzzy Algorithm for Water Treatment Plants." Sensors 15, no. 10: 26961-26977.