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명령어 집합 시뮬레이터를 이용한 임베디드 소프트웨어 디버거
정훈,손성훈,신동하,Jung, Hun,Son, Sung-Hoon,Shin, Dong-Ha 한국시뮬레이션학회 2006 한국시뮬레이션학회 논문지 Vol.15 No.4
임베디드 소프트웨어의 디버깅은 일반 소프트웨어의 디버깅과는 많이 다르다. 예를 들어 임베디드 소프트웨어 디버깅에는 일반 소프트웨어의 디버깅에는 필요하지 않는 전력 소비량에 대한 정보, 실행된 명령어 분포에 대한 정보, 사용된 레지스터 분포에 대한 정보, 프로그램 수행 시 소요된 클럭 수에 대한 정보 등이 추가적으로 더 필요하다. 본 논문은 임베디드 소프트웨어가 수행되는 마이크로프로세서의 명령어 집합 시뮬레이터를 이용하여 임베디드 소프트웨어를 효과적으로 디버깅하는 새로운 방법을 제안한다. 본 연구에서는 국산 임베디드 마이크로프로세서인 SE1608의 명령어 집합 시뮬레이터를 기반으로 디버거를 개발하고 이를 사용하여 임베디드 소프트웨어 벤치마크 프로그램으로 많이 이용되는 MiBench 프로그램을 사용하여 임베디드 소프트웨어를 효과적으로 디버깅하는 보기를 제시한다. 본 연구에서 제시한 디버깅 방법은 기존의 디버깅 방법에 비하여 비교적 구현하기도 쉬우면서 많은 장점이 있는 것으로 판단된다. Debugging embedded softwares is very different from debugging general softwares. For examples, debugging embedded software requires more information, such as information on power consumption, information on the distribution of executed instructions, information on the distribution of used registers, and information on the amount of clocks consumed during the execution of a program, that is not needed in debugging general softwares. In this paper, we propose more effective method fer debugging embedded softwares using an instruction set simulator for the microprocessor that is executing embedded softwares. In this research, we develop a debugger based on an instruction set simulator for a domestic embedded microprocessor called SE1608 and we shows an effective debugging method using a MiBench program which is widely used to benchmark embedded softwares. The debugging method proposed in this paper is relatively easy to implement and shows many advantages compared with existing debugging methods.
무도 전공 대학생이 지각한 사회적 지지와 자기효능감의 관계
정훈인(Jung, Hoon-In),허승은(Hur, Seung-Eun),홍지은(Hong, Ji-Eun) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.2
The purpose of this study was to examine the relationship between social support and self efficacy of the university students majoring in Martial Arts. To accomplish the purpose of the research, university students (N=460) in Kyung-gi, Busan, Choong-chung, Honam areas completed the questionaries. The collected data were analyzed by reliability, confirmatory factor analysis, correlation analysis, and multiple linear regression analysis via Win SAS Ver. 9.2. The results of the study indicated that all the sub-factors of social support such as parent support, coach support and friend support had a significant effect on self efficacy while interpersonal relationship. The volitional control, judgemental, challenge accomplishment efficacy factors of self efficacy was correlated to parent, coach, friend support.
악관절증의 동통에 대한 국소마취제의 관절강내 Pumping에 의한 감별법
정훈,정학,키노 코지,Chung, Hoon,Jung, Hak,Kino, Koji 대한악안면성형재건외과학회 1992 Maxillofacial Plastic Reconstructive Surgery Vol.14 No.1
In the outpatient clinic, we have many patients who suffer from temporomandibular joint disorders. These vary from MPD syndrome to osteoarthrosis, and many cases have tender spots or areas on the temporomandibular joint region and/or masticatory muscles. Further, they frequently have masticatory muscle pain when opening the jaw. This paper presents the results of our research on the differential diagnosis for tendernesses and pain on opening the jaw in the temporomandibular joint region and the masticatory muscles by joint cavity pumping with local anesthestic. The areas of tenderness and jae-opening paw in 65 patient suffering from temporomandibular joint disorder were examined and recorded before and after anesthetizing the upper joint cavity with 2% lidocaine. Maximum interincisal distance was similarly recorded. The results were as follows : In the area surrounding the upper joint cavity including the lateral pterygoid muscle, the tenderness and jaw-opening pain vanished almost entirely after anesthesia. This was considered a direct infiltrative effect of the local anesthesia. After the anesthesia, 86% of the tendernesses on the sternocleidomastoid muscles, and 66% of those on the posterior belly of the diagstric muscles vanished, while the disappearance rates on the masseter, temporal, and medial pterygoid muscles were 50~60%. Apart from the temporomandibular region, pain on opening the jaw was found on the masseter, temporal, posterior belly of the digastric muscles, and medial pterygoid muscles before anesthesia. The disappearance rates after anesthesia were 90~100% except for the pain of the posterior belly of the digastric muscles, for which the rate was 66%. These results suggest that more than 88% of the tendernesses on the sternocleidomastoid muscle, more than 60% of the tendernesses and jaw-opening pains on the digastric muscle, and more than half of the tendernesses and almost all of the jaw-opening pains in the jaw-closing muscles are referred pains from the temporomandibular joint. The tendernesses that had no change after anesthesia were considered to be derived from spasms of the muscles proper. Generally, maximum interincisal distance increased after anesthesia. The average distance was 34mm before anesthesia, but increased to 41mm after anesthesia. In a few cases, however little or no change was found in those distances. In these cases, pathological changes were found in the joint cavities arthrographically or arthroscopically.
유연 회전축의 다물체 동역학 모델링 및 위상 조절법을 이용한 진동 제어
정훈형(Hoon-Hyung Jung),조현민(Hyeon-Min Jo),김재실(Chae-Sil Kim),조수용(Soo-Yong Cho) 한국기계가공학회 2011 한국기계가공학회지 Vol.10 No.1
This article proposes a new technique of the dynamic model using multi-body dynamic analysis tool for a flexible main spindle rotor system with a novel phase adjusting control technique for the purpose of an active control of rotor vibration. The dynamic model is used as a plant model. Also in order to make control system, a component parameters and phase controller is composed and simulated by SIMULINK. The vibration is reduced to 50%. Therefore the ADAMS dynamic model for the flexible main spindle rotor and the phase adjusting control techniques may be effective for the suppressing the vibration and helpful for the future active control for rotor vibration.
정훈,Jung, Tae-Hoon 대한결핵및호흡기학회 1994 Tuberculosis and Respiratory Diseases Vol.41 No.6
COPD의 치료에 대해 약술하였다. 예방을 위해서는 개인적으로는 금연, 국가사회적으로는 공해의 해결이 필요하며 진행된 질병에서는 진행을 막기 위한 감염의 예방 및 감염시 즉각적인 항균제 치료, 필요에 따라서 항염증제, 그리고 생활의 질을 높이기 위해서 각종 재활요법이 필요하다. 원활한 재활요법을 위해서는 필요한 기구 장비의 구입이 쉬워야 하고 치료진에서는 호흡기 전문의사, 호흡치료사, 의료기사, 병원 및 가정간호사, 사회사업가(social worker), 정신과의사, 영양사 등의 팀으로의 접근이 필요하고 제도적으로 보험적용이 되도록 해야 하겠다. 불구가 심한 예에서는 폐이식이 시도되며 기술적인 문제는 다소 해결된듯하나 장기공여자 등의 문제로 보편화되지는 않고 있다.