http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
安炳根,朴景鎬 龍仁大學校 1994 용인대학교 논문집 Vol.10 No.-
This research is executed in the way of personal interviews and questionnaires about each kinds of injuries which are easily caused in soccer games. The objects are 80 high school soccer players. Research period is from March 10, 1993 to 13th of same month. The results of this research are as follows ; 1. 80 objects have injured 496 cases on 17 regions. The classification of injured parts are as follows; 표삽입(본문을 참조하세요) In classification of traumas, muscle-contusion mainly occupy 22.78% with 113cases. 2. Reasons of injuries are; Self-carelessness is main reason with 15cases(18.75%). 36.25% of all cases are occurred in training. 3. In classification of seasons Winter is Marked as main season with 31cases(38.75%) 4. In classification of treatment methods, Physiotherapy is 41cases(51.25%), massage is 18cases(22.50%), medication is 9cases(11.25%), Injection or acupuncturation is 8cases(10.00%), operation is 3cases(3.75%), etc is 1case(1.25%). And the proportion of perfect remedy to imperfect remedy is 62 : 18. Among perfect remedy, physiotherapy occupy main portion. Also, doctor's treatments occupy 86.25% with 69cases. Treatment period is distributed from 5 days to 1 month. But under 15 days treatments occupy 75.00% with 60cases.
김민환,송창수,박병균 호남대학교 산업기술연구소 2001 산업기술연구논문집 Vol.9 No.-
본 연구에서 섬진강 수계의 주요지점에 대해 심미학적 필요유량을 결정하였다. 심미학적 필요유량은 하천의 주요경관과 더불어 하천의 수면폭, 유속, 수심, 유량과 같은 수리특성을 만족해야 한다 주요지점의 심미학적 필요유량은 다음과 같다. 섬진강 본류에 위치한 쉼터휴게소, 두가세월교, 압록유원지의 필요유량은 각각 15.21CMS, 29.9CMS, 40.39CMS이고, 남원국민관광단지와 태안교의 필요유량은 각각 9.0CMS, 8.71CMS로 평가되었다. In this study, aesthetic necessary discharge is determined in Sumjin River system. It is satisfying to hydraulic characteristics - the width of river, velocity, water depth, and discharge with main scenery of river. As a result of this study, Suimtea Resort, Dugasewol Bridge and Aprok Resort which are located in Sumjin main River have aesthetic necessary discharge of 15.21CMS, 29.9CMS, and 40.39CMS respectively. Those of Namwon National Resort and Taean Bridge are calculated at 9.0CMS and 8.71CMS respectively.
Park, Byoung-Gun,Kim, Rae-Young,Hyun, Dong-Seok The Korean Institute of Power Electronics 2013 JOURNAL OF POWER ELECTRONICS Vol.13 No.6
This paper proposes a novel fault diagnosis scheme using parameter estimation of the stator resistance, especially in the case of the open-phase faults of PMSM drives. The stator resistance of PMSMs can be estimated by the recursive least square (RLS) algorithm in real time. Fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to the fault condition. The proposed fault diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used to improve the control performance. The feasibility of the proposed fault diagnosis scheme is verified by simulation and experimental results.
Low-Cost Fault Diagnosis Algorithm for Switch Open-Damage in BLDC Motor Drives
Park, Byoung-Gun,Lee, Kui-Jun,Kim, Rae-Young,Hyun, Dong-Seok The Korean Institute of Power Electronics 2010 JOURNAL OF POWER ELECTRONICS Vol.10 No.6
In this paper, a fault diagnosis algorithm for brushless DC (BLDC) motor drives is proposed to maintain control performance under switch open-damage. The proposed fault diagnosis algorithm consists of a simple algorithm using measured phase current information and it detects open-circuit faults based on the operating characteristic of BLDC motors. The proposed algorithm quickly recovers control performance due to its short detection time and its reconfiguration of the system topology. It can be embedded into existing BLDC drive software as a subroutine without additional sensors. The feasibility of the proposed fault diagnosis algorithm is proven by simulation and experimental results.
Low-Cost Fault Diagnosis Algorithm for Switch Open-Damage in BLDC Motor Drives
Byoung-Gun Park,Kui-Jun Lee,Rae-Young Kim,Dong-Seok Hyun 전력전자학회 2010 JOURNAL OF POWER ELECTRONICS Vol.10 No.6
In this paper, a fault diagnosis algorithm for brushless DC (BLDC) motor drives is proposed to maintain control performance under switch open-damage. The proposed fault diagnosis algorithm consists of a simple algorithm using measured phase current information and it detects open-circuit faults based on the operating characteristic of BLDC motors. The proposed algorithm quickly recovers control performance due to its short detection time and its reconfiguration of the system topology. It can be embedded into existing BLDC drive software as a subroutine without additional sensors. The feasibility of the proposed fault diagnosis algorithm is proven by simulation and experimental results.
Park, Byoung-Gun,Kim, Tae-Sung,Lee, Kui-Jun,Kim, Rae-Young,Hyun, Dong-Seok IEEE 2010 IEEE transactions on magnetics Vol.46 No.6
<P> In a high-speed train application, the modularized traction converter produces the significant harmonic currents caused from the switching behavior of a power converter. These harmonic currents bring the interference among the traction equipment. One way to minimize the interference is to design the secondary windings of a power transformer decoupled magnetically as possible. This paper presents a magnetic-field analysis on a winding disposition to clarify an impact on magnetic decoupling between secondary windings, under a limited height of a train. Two winding dispositions for a single-phase shell-type transformer are constructed and simulated by a three-dimensional finite-elements method (FEM) model. The simulation results with two different winding dispositions are provided and the experiments show good agreement with the simulation results. </P>
Park, Byoung-Gun,Jung, Hyun-Joo,Cho, Young-Wook,Lim, Hye-Won,Lim, Chang-Jin Pharmaceutical Society of Great Britain 2013 Journal of pharmacy and pharmacology Vol.65 No.3
<P>This work aimed to determine some pharmacological properties of non-fermented (WG) and fermented (FWG) extracts of cultured wild ginseng root.</P>
Byoung-Gun Park,Rae-Young Kim,Dong-Seok Hyun 전력전자학회 2013 JOURNAL OF POWER ELECTRONICS Vol.13 No.6
This paper proposes a novel fault diagnosis scheme using parameter estimation of the stator resistance, especially in the case of the open-phase faults of PMSM drives. The stator resistance of PMSMs can be estimated by the recursive least square (RLS) algorithm in real time. Fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to the fault condition. The proposed fault diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used to improve the control performance. The feasibility of the proposed fault diagnosis scheme is verified by simulation and experimental results.
Fault Diagnosis Using Recursive Least Square Algorithm for Permanent Magnet Synchronous Motor Drives
Byoung-Gun Park,Rae-Young Kim,Dong-Seok Hyun 전력전자학회 2011 ICPE(ISPE)논문집 Vol.2011 No.5
This paper proposes a novel diagnosis scheme using parameter estimation of stator resistance, especially, in subject to the open-phase faults of PMSM drives. The stator resistances of PMSM are estimated by recursive least square (RLS) algorithm in real time. The fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to fault condition. The proposed diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used in order to improve the control performance. The feasibility of the proposed fault diagnosis scheme is proved by simulation and experimental results.