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로드셀을 이용한 전복 양식장 먹이 섭이량 모니터링 시스템 개발
강태종 ( Tae-jong Kang ),민은비 ( Eun-bi Min ),유영석 ( Yeong-seok Yu ),이정식 ( Jeong-sik Lee ),황두진 ( Doo-jin Hwang ) 한국수산해양기술학회 2021 수산해양기술연구 Vol.57 No.4
One of the problems with abalone farms is that they need to be checked frequently after feeding them or visited once or twice a day and that the amount of food intake constantly fluctuates due to changes in water temperature around the farm and typhoons. In addition, the condition of abalone is not constant as it is divided into places that eat well and do not eat well according to its location. In order to solve this problem, there is a method of measuring the amount of food intake by using a load cell that can measure even the smallest weight in an abalone farm. Through this study, we implemented a system capable of measuring the amount of abalone feed required for systematic management of abalone farms and real-time monitoring using mobile and client PCs.
외나로도 인접 어장의 주요 상업 어구를 이용한 어류상의 변동
이태균(Tae-gyun LEE),황정현(Jung-hyun HWANG),강태종(Tae-jong KANG),민은비(Eun-bi MIN),황두진(Doo-jin HWANG) 전남대학교 어업기술연구소 2022 어업기술연구소보고지 Vol.15 No.1
Through direct resource surveys using gill net, trap net, and long line, the main commercial fishing grounds in the Oenarodo sea area, the catch by species, population, and catch per unit effort (CPUE) of fish were identified. During the survey, a total of 20 orders, 45 families, 66 species, 374 individuals, and 107.3 kg of aquatic organisms collected from coastal waters of Oenarodo in Go-heung appeared, with a total of 16 species appearing in gill net, a total of 16 species appearing in trap net, and a total of five species appearing in long line. The dominant species were Portunus trituberculatus in gill net, Charybdis japonica in trap net, and Chelidonichthys spinosus in long line. CPUE for fishing gear, long line was the highest, and gill net and trap net showed similar values. The seasonal CPUE showed the lowest value in April and the highest value in June.
양식장 물김 이송 및 중량 자동측정 시스템 개발의 경제성 분석 연구
김대현,민은비,강태종,황두진,Dae-Hyon KIM,Eun-Bi MIN,Tae-Jong KANG,Doo-Jin HWANG 한국수산해양기술학회 2023 수산해양기술연구 Vol.59 No.2
Laver aquaculture, which occupies a large proportion in the aquaculture industry in Korea, is still highly dependent on human labor. Therefore, it is necessary to study the development of an automatic system to improve the working environment and increase the efficiency of aquaculture production systems. The purpose of this study is to evaluate the economic feasibility of an improved system in a study for the loading-unloading and automatic weighing systems in laver aquaculture industry. Economic analysis of the developed unloading and automatic weighing system were implemented under various conditions to calculate more accurate benefits and costs. As a result of this study, the economic feasibility was found to be very high in the three models: net present value (NPV), benefit-cost ratio (B/C), internal rate of return (IRR). Moreover, the results of sensitivity analysis showed that the economical efficiency of the automatic loading, unloading, and weighing system in laver aquaculture was very high.