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허명준 순천향대학교 1989 논문집 Vol.12 No.4
실제의 입출력 신호에 대한 적응제어 알고리즘의 직접적인 적용은 좋은 방식이 아니며, 플랜트의 추정과 제어에 여러 가지의 필터를 사용할 필요가 있다. 간단한 선필터 방식과 의사모형 방식을 도입하였으며, 각 방식의 특성을 분석, 비교하여, 필터의 선택과 설계에 대한 지침을 제안하였다.
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Brucella abortus 국내 분리주의 36kDa 외막단백을 암호하는 omp2b 유전자의 염기 분석
허지연,김지영,송근호,김명철,박창식,김태용,김정화,전무형 한국수의공중보건학회 2003 예방수의학회지 Vol.27 No.1
B. abortus 국내 분리주의 분자유전학적 성상을 규명하고 분자역학적 연구에 필요한 기초자료를 얻기위해 36kDa OMP를 암호하는 omp2b 유전자를 PCR법으로 확인하고, 그리고 omp2b 유전자의 핵염기 서열과 아미노산 서열을 결정하고 이 결과를 Brucella 표준균주 및 여러 동물에서 분리된 Brucella 분리주와 상호 비교 분석하였던 바 다음과 같은 결과를 얻었다 1. B. abortus 분리주 (7주)에 대해 omp2b primers를 이용하여 PCR을 수행 한 바 공시한 참조균주와 분리균주 모두에서 1,251bp의 특이한 DNA 절편이 각각 증폭되었다 2. omp2b 유전자의 1,089bp에 대한 염기서열과 이에 대한 362개의 아미노산 서열을 결정하였다. 분리균주의 omp2b 유전자의 염기서열을 참조균주와 비교 분석한 결과 B. abortus 2308 (biovar 1) 및 B. abortus B3196 (biovar 5)과는 99.6%~l00% 및99.5%~99.9%의 매우 높은 상품성을 나타내었고, B. abortus 45/20 (biovar 1)과는 97.1%~97.4%의 상품성을 나타내었다. 또한 362개의 아미노산 서열에 대해 분석하였던 바, 분리균주들은 B. abortustus 2308 (biovar 1) 및 B. abortus B3196 (biovar 5)과는 99.2%~l00%의 매우 높은 상품성을 보였으며, B. abortus 45/20 (biovar 1)과는 96.4%~97.2%의 상품성을 보였다. 3. 본 시험에 공시된 브루셀라균주의 omp2b 유전자서열과 여러 동물에서 분리된 브루셀라 분리주의자료를 바탕으로 phylogenetic tree를 작성 한 바, 국내 분리주는 B. abortus 2308 (biovar 1), B. abortus B3196 (blovar 5), B. abortus 45/20 (biovar 1), B. suis 1330 (biovar 1), B. melitensis 16M (biovar 1), B. canis NCTC 01854, B. neotomae 5k33과 97.3%이상의 높은 근연성을 보이며 동일한 cluster에 소속되었으며, omp2b 유전자는 매우 잘 보존됨을 알 수 있었다. omp2b gene of Brucella abortus isolates encoding 36kDa outer membrane protein (OW) was amplified by polymerase chain reaction (PCR) and the sequences of nucleotide and amino acid were determined and analyzed to obtain the basic data for molecular epidemiological features of brucellosis in Korea. In PCR using omp2b primers for the gene of 36kDa OMP, the specific signals at 1,251bp were demonstrated, The nucleotide sequences of omp2b gene of 1,089bp were sequenced by dye terminator cycle sequencing method, and 362 amino acid sequences were predicted. As compared the nucleotide sequences with those of B. abortus reference strains, the isolates showed the very high homology to the reference strains ranging 97.1%-100%. The similar results were also obtained in the analysis of the amino acid sequences. In the phylogenetic tree, the isolates clustered with the reference strains and the majority of strains originated from pig, dog, wood rat and cattle.
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허명준 순천향대학교 부설 산업기술연구소 1997 순천향 산업기술연구소논문집 Vol.3 No.2
This is a trial to find out quantitative relations of EEG signals and EMG signals based on systems theory. This paper shows that relations between some EEGs and EMGs can be modelled as linear transfer functions approximately, and the model may be used as a quantitative criterion for motor learning processes. This kind of method of analysis will be useful for the clinical decision making for the patient with motor dysfunction and for the evaluating the effect of motor learning of physical therapy.
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허명준,김영철 순천향대학교 1994 논문집 Vol.17 No.1
As the worst performance case analysis for interval plants, a conjecture whether the supremum of the integral of square error is attained at extreme points such as vertices, Kharitonov vertices, CB segments, and/or edges has been suggested and investigated. We present a sufficient condition on that the worst performance index may occur at the one of vertices in the uncertain parameter space. Numerical examples are also given.
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방위각 정보만을 이용한 표적추적필터의 설계 : 변형극좌표 알고리즘 Modified Polar Coordinate Algorithm
허수남,김명규,김유영 진주산업대학교 농업기술연구소 1992 農業技術硏究所報 Vol.5 No.-
Modified polar coordinate filter for bearings-only targer tracking was theoretically analysed. 1. Behavior characteristics of target tracking algorithm was analysed and observer behavior had a great influence on tracking performance. 2. Stability was improved because observable and unobservable component of the modified polar state vector automatically decoupled. 3. Modified polar coordinate filter were well suited for bearings-only target motion analysis because it was insensitive to measurement noise and had trivial steady state error.
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허명준 순천향대학교 1994 논문집 Vol.17 No.3
A new approach method to design of optimal PID controllers for the 2nd-order plant systems is proposed. Shows processes of solving optimization problems through conversions and derivatives of performance criteria without using mathmatical programming techniques. The validity is examined by numerical simulations.
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허명준 순천향대학교 1993 논문집 Vol.16 No.3
This paper tries to evaluate the control performance of systems in cases parameter perturbations. Six cases of the root distribution and location changes of each characteristic roots by the parameter perturbation are considered as evaluation factors. A qualitative evaluation is performed through several simulations. These results will be used as a basic data for the complete analysis of the control performance.
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허명준,김창교 순천향대학교 부설 산업기술연구소 1996 순천향 산업기술연구소논문집 Vol.2 No.2
This note deals with a design method for the optimal PID controllers, which has a better practicality than other many existing methods. As an optimal criterion, here the integral of the squared error(ISE) is considered. The optimizing procedure in the proposed method is based on transforming the original form of ISE into the optimizing problem in only parameter space. It is well known that PID control is sufficient for processes where the dominant dynamics are equal to or less than the second order. Thus such three representative plants are applied to this method and some simulation results are given.
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급냉 응고된 Al-Li-Cu합금의 열처리, 미세조직 및 기계적 성질에 관한 연구(I)
許明日,南勝義,李範圭,羅亨用,金錫胤 弘益大學校 1988 弘大論叢 Vol.20 No.2
Effect of aging condition on the microstructure and hardness properties of Al-3Li, Al-3Li-2Cu, Al-3Li-2Cu-0.3Zr have been studied. The alloy ribbons have been prepared by means of Single Roll Melt Spinning by rapid solidification technique. In rapidly solidified Al-3Li-2Cu, Al-3Li-2Cu-0.3Zr alloy ribbons show the icosahedral intermetallic compound of five-fold symmetry which is placed in cell-bound-ary and matrix. In the matrix precipitated fine δ'(Al₃Li) phase. Heat-treated at 250℃ 1hr. In this condition, δ'(Al₃Li) phase started decompose. The icosahedral intermetallic compound has been grown. When heat-treated at 300℃ 1 hr, the δ' phase has been decomposed all. In the matrix, icosahedral intermetallic compound has been grown greatly. The micro-hardness has been obtained more high Al-Li-Cu-(Zr) alloy than Al-Li alloy. Strength-hardended phenomena showed to solution hardning by the addition of Cu. When the heat-treated at 250℃ 1 hr, in the alloy of Zr addition, delayed decomposed δ' phase. In the case, micro-hardness gradually decreased. When the heat-treatment have done at 300℃ 1 hr, the micro-hardness has been decreased because δ' phase decomposed all.
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