http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
윤석찬(Seok Chan Yun) 밴쿠버기독교세계관대학원 1994 통합연구 Vol.7 No.4
There has been discord between the biblical and scientific chronologies from the past. Most scientists are believing that the earth and the cosmos are very old, whereas some creation scientists insist on the very young age of about 10,000 years. This paper reviews pros-and cons of the two chronologies and suggest a Viewpoint Hypothesis to harmonize them. It is an extended opinion that classifies the earth and the cosmos as very old and the bio-systems including human being as very young, as suggested by Kwon`s scientific deduction(Kwon, 1990a & 1990b). It also includes the Yang`s opinion that such a discord is due to uncertainty of the initial state of the creation(Yang, 1990). The Viewpoint Hypothesis is that the discord between both chronologies is originated from the differences of the viewpoints and the relativistic motional states of the observers. That is, the long age of the evolutionary time scale can be interpreted of the creational works of God. Considering the biblical, astronomical, and geological date, the period during which this hypothesis can be applied is thought to be the creation moment, the evolution of cosmos, and the last stage of formation of the crust and ocean of the earth. Following this period, there ware the 7-day special creational works of God, the global catastrophy of Noah`s flood. Most geological deposits of the Mesozoic and Cenozoic era can be thought to be formed through this catastrophy. Some creation scientists and neocatastrophists have been suggesting strong evidences of the possibility that the age of fossils of the living things are very young. Therefore, the proposed creation chronology harmonizing the scientific chronology and the biblical chronology could by as follows: the cosmos might be 15 billion years old, the earth is about 4 billion years old, and the bio-system including human beings is about 10,000 years old. The characteristics of the Viewpoint Hypothesis are that it is based on the concept of the theory of relativity and the inflationary big-bang theory that implies the concept of creation-ex-nihilo. So, the old cosmos, the old earth, and the young bio-system can be harmonized without contradiction.
전동식 동력 조향 장치 연구를 의한 HILS 시스템 개발
박동진,윤석찬,한창수,Park, Dong-Jin,Yun, Seok-Chan,Han, Chang-Su 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.12
In this study, a Hardware-In-The-Loop-Simulation(HILS) system for developing a Electric-Power-Steering(EPS) system is designed. To test a EPS by HILS system, a mathematical vehicle model with a steering system model has been constructed. This mathematical model has been constructed. This mathematical model has been downloaded to the Digital-Signal-Processor(DSP) board. To realize the lateral force acting on the front wheel in a real car. the steering wheel angle sensor and vehicle velocity have been used for input signal. The force sensor has been used for a feedback signal. The full vehicle states could by simulated by the HILS system. Consequently, the HILS system could by used to analyze control-parameters of a EPS that contributes to the maneuverability and stability of a vehicle. At the same time, the HILS system can evaluate the whole performance of the vehicle-steering system. Also the HILS system could do test could not be executed in real vehicle. The HILs system will useful for developing the control logic for the EPS system.
[차량운동성능부문] 전동식 동력 조향장치 연구를 위한 HILS 개발
박동진(Tong-Jin Park),윤석찬(Seok-Chan Yun),한창수(Chang-Soo Han) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, a HILS system is constructed for the developing MOPS system. By using a hydraulic actuator, a tire lateral force of a driving vehicle can be described through the mechanism in the HILS system. From controlling the HILS systems in a real time, the states of vehicle can be simulated in cases of different steering models. And the HILS system can evaluate the vehicle steering system's performance. Also it can do test which could not be done in the real vehicle. Moreover, the HILS system will be useful for developing of control logic for the MOPS system.