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생물생산시설 및 환경공학 분야 : 행거식 순환형 딸기 재배장치 개발
강동현 ( Dong Heon Kang ),이시영 ( Si Young Lee ),김영중 ( Young Jung Kim ),김종구 ( Jong Goo Kim ),최홍기 ( Hong Gi Choi ),손진관 ( Jin Kwan Son ) 한국농업기계학회 2014 한국농업기계학회 학술발표논문집 Vol.19 No.1
딸기의 수확량을 증대시키고 노동부하를 경감시키며 에너지이용효율을 향상 시킬 수 있는 행거형 순환식 딸기 재배시스템을 개발하고 성능시험을 실시한 결과 재배베드를 견인하기 위한 견인동력은 5개 베드의 경우 21N으로 측정되었고, 소비동력은 모든 작업을 수행하였을 때 593 kWh가 소요되는 것으로 조사되었다.
이성범,최홍기 안성산업대학교 2002 論文集 Vol.33 No.-
The green pepper grading system was developed by recognizing length and the curved segment, Number of grading classification and factors were chosen based on the survey results of farmers. Results were summarized as following. 1. Ninety percent of surveyed farmers grade the green pepper into two classes manually according to the length, curved segment, and color. And about 10% of green peppers are being shipped without being graded, because of its highly labor intensive process. 2. Prototype having two rows of grading system (dimension : 1400×400×700mm) consists of four parts, i.e, pepper supplying device which sends one or two peppers with constant interval, separating device which carries one unit of pepper, grading device which recognizes a pepper according to the length and curved segment by the photo sensor, and discharging and control system which consists of sensors and operating pneumatic cylinder. 3. The bucket elevator type supplying system showed the best performance and it had a 30×60mm size plate mounted with 70˚angle. 4. The performance of the developed grading system showed the success rate of 97.4%. Various shapes of stalk were main error source in photo sensing. 5. The grading rate of the two-row prototype was 34kg/hr, about half of the manual operation. And its grading error was 8.3%, and it was about 20% less than the largest error of manual operation.