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차선 강조 기법과 호프 변환을 이용한 차선 인식에 관한 연구
백준영(Junyoung Baek),김경달(Kyoungdal Kim),문영근(Younggun Moon),이민철(Mincheol Lee) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper proposes the lane recognition using the hough transform and the lane prominence. First, the lane recognition is started on a coordinate transformation. camera coordinate system is changed to world coordinate system by inverse perspective transform. Second, the lane extraction substitutes a embossing effect for the edge detection of the sobel and the canny. third. the hough transform is used to recover from the unreliable lane. Not only multiple lanes but also a lane is detected by the proposed algorithm that showed the lane recognition rate higher then canny edge detection.
백준영(Junyoung Baek),안철기(Cheolki Ahn),이정운(Jungun Lee),이종철(Jongcheol Lee),박상준(Sangjoon Park),최관호(Kwanho Choi) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.5
This paper presents to develop the EHA controller for combat aircraft. In this paper, triple controller and dual-tandem EHA are used. The advantage of this actuation system is to increase the functionality, redundancy and efficiency of combat aircraft. The triple controller is designed to interface with FLCCs. CE Board #1 and #2 are used to control the EHA. CE Board #3 is used to check CE #1 and #2. Therefore, this system is more reliable than dual controller because these controllers can vote the true and fault of signal data. In addition, the architecture of the control software consists of 6 loops and 4 layers. The designed EHA controller is tested by using verification system.
미분탄 화염 영상 분석을 통한 취입랜스 최적 제어 기법 개발
김지언(Chiyen Kim),이민철(Mincheol Lee),백준영(Junyoung Baek),정도영(Doyoung Jeong),안영진(Youngjin Ahn) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
This paper introduces the automatic fine Bituminous Coal injection lance position control method using flame image process. The fine Coal injection lance is used to supply additional heat into the furnace in Mill plant. It injects fine coal into high pressured air flow and produces very heated and high pressured flame. For the such high temperature and pressure, the fine coal injection lance effects not only efficiency of burner but also furnace abrasion. To keep efficient combustion status and to avoid the abrasion, in this paper, the flame is monitored by computer image process. This paper proposes the flame image process method and lance position control according to calculated result for flame image process.