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EV구동용 AC Servo Motor의 운전 제특성에 관한 연구
최장균,조경재,임중열,차인수 한국조명·전기설비학회 1998 한국조명·전기설비학회 학술대회논문집 Vol.1998 No.-
In this paper various drive characteristics of a AC Servo Motor for EV(electric vehicle) and hybrid system proposed a countermeasure against air polution are presented. Since the transfer function of the plant is nonlinear and very complicated, there are difficultly in driving the system with real time. The Performance of these experiments is confirmed by computer simulation results. The high performance and high accuracy of the driving system, field oriented vector control system is proposed.
최장균(Jang-Kyun Choi),차인수(In-Su Cha) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
The wind turbines of various designs have been manufactured and operated for many years. The design considering the wind circumstance is required for the high efficient wind turbine, because the efficiency and characteristics of the wind turbines depends on the designs and structure of it's system. In this paper, a analysis on the output characteristic of the wind turbine according to wind velocity was performed. The results of the analysis data is desired to be used on the high efficient blade design.
최장균(Jang Gyun Choi),윤석암(Suk Am Yoon),강병복(Byeong Bog Gang),이정일(Zeng.Ri Lee),조경재(Kyeng Jai Cho),차인수(In Su Cha) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
In electrical machinery and apparatus, the most important problem is protect of machinery and apparatus m due to transient phenomena and overload on operation.<br/> Particularly by advanced technology of late, there is demand for low cost of equipments and hi percentage of use of equipments.<br/> Therefore, protection of machinery and apparatus in condition of overload is more valued considering that all efficiency increase is passed by operating all machinery and apparatus in condition of heavyload In tills paper, the suggested system is added overload interrupt system using CT m condition of overload.
풍속에 따른 수평형과 수직형 풍력발전기의 출력특성에 관한 분석
최장균(Jang-kyun Choi),차인수(In-Su Cha) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
The various wind turbines have been designed and developed for the century. The precision design of the blade and turbine system considering the wind circumstance is required for the high efficiency. In this paper, we investigated the output characteristics of the horizontal and vertical wind turbine related to the wind velocity. Furthermore we will intend to design the wind turbine blade adapted the urban wind circumstance.
소그룹형태에 따른 교회의 건강성이 성도들의 영적성장에 미치는 영향에 관한 연구 : 가정교회, 셀, 구역을 중심으로
신호균(Shin HoKyun),김영애(Kim YoungAe),최장모(Choi JangMo),도현옥(Do HyunOk),이명선(Lee MyoungSon) 한국로고스경영학회 2011 로고스경영연구 Vol.9 No.2
본 연구는 한국교회가 성장하면서 교회성장을 방해하는 요인으로 소홀히 다루어져 왔다고 생각되는 소그룹 형태에 따른 교회의 건강성이 성도들의 영적성장에 어떠한 영향을 끼치고 있는지에 대해 고찰하였다. 성장하고 있는 지역교회를 대상으로 사역모형과 조직모형, 핵심비전을 통해 소그룹의 형태별 건강성을 조사하고 소그룹간 영적성장의 차이를 분석하였다. 그 결과 사역모형과 조직모형, 핵심비전은 영적성장과 높은 상관관계가 있는 것은 물론 사역모형과 조직 모형을 통한 소그룹별 건강성의 정도가 성도들의 영적성장에도 긍정적인 영향을 미치는 것으로 조사되었다. 이는 사역모형을 통해 핵심비전이 성도들에게 잘 융화되며, 교회조직의 건전성이 성도들의 영적성장에 영향을 주는 것으로 나타났다. 그리고 소그룹의 형태에 따른 영적성장에 미치는 영향의 차이로 소통과 섬김, 배려를 통한 건전한 소그룹으로 발전시켜 나가야 될 것으로 생각된다. 또한, 소그룹 모임의 친숙성을 높이기 위해 주 1회 정도 모임을 통해 한주 동안의 예배와 말씀을 생활 속에서 나눔으로써 영적성장에 더 좋은 영향을 줄 수 있으리라 사료된다. 소그룹별 평균차이의 분석결과, 가정교회는 봉사나 조직, 운영에 대한 개선이 필요한 것으로 사료되는데, 구체적으로 비전정합 및 5P의 목적과 과정, 프로그램, 담당자의 정합도로 나타났다. 반면 셀교회와 구역 예배는 사도행전 2:46-47절을 이루어가기 위해 그룹별 진정한 나눔과 섬김을 통한 교제의 회복이 필요한 것으로 사료된다. The purpose of this study is to discover how small home churches may have a a positive influence on the spiritual growth of Christians although generally small-group home churches are known to hinder the growth of churches. The logic of the study is developed by targeting the growing local church through the ministry model, organization model, and core vision. It has investigated healthiness of small groups and analyzed the difference in spiritual growth among them. As a result, the ministry model, organization model, and the core vision had a high correlation with the spiritual growth. Results also showed that through the ministry and organization model, the degree of healthiness of small groups did have positive effects on spiritual growth of believers. This showed that through the ministry model, the core vision not only assimilated well with the church members, but the soundness of church organizations also influenced the spiritual growth of the church members. It is also suggested that weekly communions and services can help increase the familiarity of small group meetings and positively influence spiritual growths. Analysis result of mean difference between small groups showed that home churches required improvement on volunteering, organizing, and managing. Vision coordination with SP’s purposes, processes, and programs also specifically showed needs of improvements. However, cell churches and local worship services, in order to fulfil Acts 2:46-47, requires restoration of fellowship through true acts of sharing and serving.