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최창현,김종민,남궁만준 성균관대학교 생명공학연구소 1999 生命工學硏究 Vol.5 No.1
A yield monitoring system is useful and important in precision farming. Performance of an electronic yield monitor can be evaluated in controlled and field environments. A yield monitoring system and a DGPS were installed to a combine for yield mapping of a small sized paddy field, and yield mapping algorithms were investigated in this study. The yield variation in the field will be measured by yield flow sensor and grain moisture sensor at the end of the clean grain elevator. Yield map of the test field will be drawn in a point map and a linear interpolated map based on the results of the field test. The size of a unit yield grid in yield mapping is determined based on the combine traveling speed, effective harvesting width, and data storing period. The study shows the possibility of constructing the yield map of a small sized paddy field.
수상태양광용 인장 로드셀 기반 자동조절 계류시스템 모델 개발
정재성(Jae-Seong Jeong),남궁만준(Nahmgung MahnJun),주찬용(Chan-Yong Joo),유양우(Yang-Woo Yoo) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
The mooring system that secures the position of the floating photovoltaic(PV) power system is very important. Changes of the position of floating PV can be affect performance. In this study, a small scale model for the mooring system that can be automatically controls the moorings developed and analyzed operating characteristics. As a results, It is well controled to maintain the initial load for a given external force of mooring system...