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조봉균(Bong Kyun Cho),조종규(Jong Kyu Cho),강기호(Ki-Ho Kang) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper describes a developing procedure including hardware architecture and software strategy of a CAN protocol-based distributed real-time system for car body control. CAN protocol is a very efficient tool supporting high level but stable data communication and hard real-time distributed control system, thanks to its high speed transmission bit rate, error detection ability and function confining the error effect within the system. An ad hoc system to verify the approach followed was made, which consists of 2 independent controller modules including related hardware and the ported CAN protocol code. And some tests show stable real-time data communication between the 2 modules through the CAN wires.
외래기생봉 권연벌레살이금좀벌(국명신칭), Anisopteromalus apiovorus Rasplus (Hymenoptera: Pteromalidae)의 한국 내신 분포 기록
조봉균 ( Bong Kyun Cho ),김일권 ( Il Kwon Kim ),윤춘식 ( Chun Sik Yoon ),김형곤 ( Hyoung Gon Kim ),정선우 ( Seon Woo Cheong ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.8
An exotic parasitic wasp Anisopteromalus apiovorus of Pteromalidae was newly recorded in Korea. Specimens of this species have been collected in Gimhae of Korea since 2012. External morphology of this species was described in detail and diagnostic differences of this species from the related species and the host insect were also given. The funicle segments of female antennae are 1.2 to 1.5 times longer than those of Anisopteromalus calandrae, an sister species. Body color is gold-glossy black and with dense creamy-white hairs on the surface. This exotic species has been originated from the African continent including Democratic Republic of Congo and Cote d`Ivoire, and then intruded into other countries, for instance, Korea. This is the first distribution record of this species except the country of origin after original description as a new species. Although little is known about the life history or ecology of this species, we found that a new host of this small parasitic wasp is Lasioderma serricorne of coleoptera through present study. And this species possibly be a new agent of biological control for economic pests. It was presumed that the invasion of Anisopteromalus apiovorus into Korea was prior to November of 2012.
자동차 전원/신호 통합MUX 시스템의 BCM구현을 위한 CAN기반 분산처리기 설계
강기호(Ki-Ho Kang),조봉균(Bong Kyun Cho) 한국자동차공학회 2006 한국자동차공학회 Symposium Vol.- No.-
This paper describes a developing procedure for a CAN protocol-based distributed real-time system for car body control module(BCM). CAN protocol is a very efficient tool supporting speedy and stable data communication aiming at hard real-time distributed control system, thanks to its high speed transmission bit rate, error detection ability and function confining the error effect within the system. A small-sized simulator to verify the approach followed was made, which consists of 2 independent controller modules including related hardware and the ported CAN protocol code. And some tests show stable real-time data communication between the 2 modules through the CAN wires.
영구자석을 이용한 비파괴 검사기의 결함검출 기법에 관한 연구 (pp.597-598)
박일환(Il Hwan Park),조지응(Ji Eung Cho),조봉균(Bong Kyun Jo),이근보(Geun Bo Lee),김덕건,홍용환(Young Hwan Hong),박치용(Chi Young Park),박관수(Gwan Soo Park) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
자기누설탐상법은 비파괴검사 방법의 하나로 대상물체를 외부에서 착자시켜 결함이 발생할 경우에 결함부위에서 자기누설이 발생하도록 하여, 누설된 자기장을 측정하여 결함의 유무와 크기 등을 판정하는 시스템이다. 본 논문에서는 MFL 방식의 범용 NDT 검사기의 개발을 위해 영구자석을 이용하여 소형 비파괴 검사기를 설계하고, 3차원 유한요소법을 이용하여 해석하고 실제 데이터를 측정하여 그 결과를 비교 분석하였다.
한용진,조봉균,정재훈,이수빈,박해윤,이태기,채희백,홍진수 순천향대학교 기초과학연구소 1998 순천향자연과학연구 논문집 Vol.4 No.2
Thin amorphous carbon films were deposited by a Q-switched Nd;YAG 532nm with beam power density of ?? on the high purity graphite (99.7%). The pressure of vacuum chamber was ?? Torr. In order to estimate the quality of the Pulsed Laser Deposition films one of the most important optical properties, bandgap energy, was characterized by transmission and reflection in the range of the visible, and an optical direct bandgap energy of 2.45eV and indirect bandgap energy 0.36eV were obtained. Surface morphology of amorphous film was investigated by AFM (Atomic Force Microscopy). Its surface roughness is 70nm. Comparing our results with the published values in the literature we have confidence that our films show the good quality for optical properties.