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김한규,장주수,Kim, Han-Gyu,Jang, Ju-Su 한국생산제조학회 2013 한국생산제조학회지 Vol.26 No.1
Fault Diagnosis is a process of detecting and isolating faults in a system. On demanding for safety and high reliability systems make it important for some reasons such as economical and environmental incentives. Especially embedded technology and IT technology combined with precise sensing techniques has been doing well developed and applied to fault diagnosis and prognosis in industrial systems like as automotive, ship, heavy industry and aerospace as well. This paper, as an empirical application of diesel engine, presents a method how to get raw data from physical systems, what to consider for successful implementation and which theoretic mathematical models should be applied. In a sense of system level Adaptive Filtering (we call Modified Kalman Filter) and a unit of part level Hidden Markov Process was developed and applied.
다중로봇 위치 추정, 지도 작성 및 지도 병합을 위한 2D LiDAR-IMU 기반 실내 데이터세트
김한규(Hann-Gyoo Kim),김성구(Seong-Gu Kim),김희동(Hee-Dong Kim),이효준(Hyo-Jun Lee),이승환(Seung-Hwan Lee) 대한전자공학회 2024 대한전자공학회 학술대회 Vol.2024 No.6
With recent advances in mobile robotics technology, the use of robots in various industrial and service applications is on the rise. As mobile robots are deployed in more complex, large, and dynamic environments, the need for multi-robot operations is increasing. In this paper, we propose a new multi-robot 2D LiDAR-IMU dataset to facilitate multi-robot research. The dataset includes two indoor driving scenarios and is characterized by the presence of dynamic objects. The dataset can be utilized to evaluate the performance of various SLAM algorithms as well as map merging algorithms.
금속담지 ZSM-5 촉매를 사용한 에탄올로부터 방향족 화합물 제조에 관한 제올라이트의 금속성분 및 실리카/알루미나 비의 영향
김한규 ( Han Gyu Kim ),양윤철 ( Yoon Cheol Yang ),정광은 ( Kwang Eun Jeong ),김태완 ( Tae Wan Kim ),정순용 ( Soon Yong Jeong ),김철웅 ( Chul Ung Kim ),정성화 ( Sung Hwa Jhung ),이관영 ( Kwan Young Lee ) 한국화학공학회 2013 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.51 No.4
The catalytic conversion of ethanol to aromatic compounds ETA was studied over ZSM-5 heterogeneous catalysts. The effect of reaction temperature, weight hourly space velocity (WHSV), and addition of water and methanol, which are the potential impurities of bio-ethanol, on the catalytic performance was investigated in a fixed bed reactor. Commercial ZSM-5 catalysts having different Si/Al2 ratios of 23 to 280 and modified ZSM-5 catalysts by addition of metal (Zn, La, Cu, and Ga) were used for the activity and stability tests in ETA reaction. The catalysts were characterized with ammonia temperature programmed desorption (NH3-TPD) and nitrogen adsorption-desorption techniques. The results of catalytic performance revealed that the optimal Si/Al2 ratio of ZSM-5 is about 50∼80 and the selectivity to aromatic compounds decreases in the order of Zn/La > Zn > La > Cu > Ga for the modified ZSM-5 catalysts. Among these catalysts from the ETA reaction, Zn-La/ZSM-5 showed the best catalytic performance for the ETA reaction. The selectivity to aromatic compounds was 72% initially and 56% after 30 h over the catalysts at reaction temperature of 437℃ and WHSV of 0.8 h-1.
김한규(Kim Han Gyu) 서강대학교 인문과학연구소 2015 서강인문논총 Vol.0 No.43
2003년에 ‘동북공정’ 에 의해 한국과 중국에서 야기된 고구려 역사의 귀속에 관한 논쟁은 그 과정과 내용이 학계는 물론 언론계와 시민사회에까지 널리 알려져 있다. 그러나 이와 유사한 역사 논쟁이 비슷한 시기에 동아시아 각 방면에서 발생하여 진행되었거나 현재 진행되고 있음은 학계에서조차 잘 알려져 있지 않다. 티베트인과 중국인 사이에서 전통적 檀越關係등에 관한 논쟁이 있었고, 베트남인과 중국인 사이에서는 중월관계사 전반에 관한 논쟁이 있었으며, 타이완인과 중국인 사이에서는 統獨論爭, 몽골과 중국인 사이에서는 몽골역사의 귀속에 관한 논쟁, 동 투르키스탄인과 중국인 사이에서도 동 투르키스탄 역사의 귀속에 관한 논쟁, 일본인과 중국인 사이에서는 釣魚列嶼/尖閣諸島의 영유권에 관한 논쟁 등이 있었다. 이들 역사 논쟁은 모두 논쟁의 일방이 중국인이었고 ‘중국적 세계질서’ 의 유산을 핵심적 쟁점으로 삼았다는 공통점이 있다. 따라서 이들 동아시아의 역사 논쟁들을 비교사적으로 정리하여 분석하면, 고구려 역사 논쟁을 이해하는 데 도움을 받을 수 있을 뿐만 아니라 전통시대 동아시아 국제질서의 구조적 특성에 대한 이해를 심화시킬 수도 있을 것으로 기대된다. The process and contents of a debate on the history of Koguryu between Korean and Chinese societies have been widely known not only in academics but also in the media and the civil society. However, it has not been well known that the historical debates which were similar to the above argument were occurred in the various regions in East Asia during the similar period. For instance, between Tibetan and Chinese societies, there has been a controversy over the traditional priest-donator relationship, and Vietnamese and Chinese societies have exchanged an argument on the history of Sino-Vietnam relationship. For Taiwanese, a problem of independence from or unification with China has long been disputed with Chinese society. Moreover, an issue on the reversion of the Mongol history, and an issue on the reversion of the East Turkistan history have been debated between Mongolian and Chinese, and Uyghur historians and Chinese, respectively. Lastly, there also has been an argument over the dominium of the Tiao-y“u-tao or Senkaku islands between Japanese and Chinese societies. All of these historical debates has two traits in common:First, one of the counterparts of all debates was always Chinese society. Second, one of the key concepts that caused those debates was always the inheritances of the Chinese world order. Therefore, in order to obtain useful lessons to understand the debate on the history of Koguryu and the structural characteristics of the international order in the traditional East Asia, the analysis and arrangement of these historical debates by using the method of comparative history should be helpful.
명사(明使) 공용경(공用卿)의 『사조선록(使朝鮮錄)』과 조명(朝明) 창화(倡和) 외교(外交)
김한규 ( Han Gyu Kim ) 서강대학교 동아연구소 2011 東亞 硏究 Vol.30 No.1
Shi-Chosen-lu` is an account of travels written by Gong Yo`ng-qing(공用卿) who was an envoy dispatched to Chosen(朝鮮) in the later Ming(明) dynasty. It was almost never researched by historians, but have several important values as the historical materials. It is a kind of poetic records about the envoy`s passage and journey from Beijing to Seoul through Liaodong, a collection of poems exchanged by Chinese envoys and Korean reception civilians, a record about the ritual disputes between Chinese envoys and Korean officials. By this account of travels, Gong give us a good few informations about the situation of Liao-dong and Sino-Korean relationships in the later Ming dynasty. In a reception ceremony of the imperial edict, through claiming repeatedly that Chosen king must bow five times before the edict, Chinese envoy Gong could tighten the relationship of the approval and tribute between Ming and Chosen. Like Chinese envoy led the poems and Korean literary officials responded the poems, using the ``Cha`ng-he(倡和)`` diplomacy, Chinese envoy Gong and Korean king Joongjong(中宗) led and responded the international politics together in harmony. Therefore in this thesis, not only these values as historical materials of Shi-Chosen-lu` will be confirmed one by one, but also several attendant informations about the traditional Sino-Korean relationship of the approval and tribute will be ensured.
김한규(Kim Han-Kyu) 계명대학교 사회과학연구소 2005 한국사회과학연구 Vol.24 No.1
In this article, we try to study and to examine the life of people in ancient Korea. On the base of Korean History by Lee, Yi-Hwa, we have surveyed the people's life in Old Korea. It was found that the life and behavior of ancient korean were not gloomy and tragtic as man imagines. The life of ancient korean was rather funny and vital. Naturally we can find the spurs of animism or totemism as other ancient people. We can conclude the life of ancient korean was more natural and vital than the life of people in Yi-dynasty period.